{"filters":{"regime":"neg","gpct":"20-50"},"label":"SPX sessions closed in negative gamma, with the net-gamma percentile 20 to 50","answer":"225 of 1,122 archived SPX sessions matched. Of them the mean open-to-close move was 0.58% (archive 0.59%).","url":"https://firmtape.com/screener?regime=neg&gpct=20-50","matched":225,"screened":1122,"archived":1122,"shares":{"matched":{"n":225,"above_flip_pct":0,"mean_abs_move_pct":0.58},"archive":{"n":1122,"above_flip_pct":56,"mean_abs_move_pct":0.59}},"sessions":[{"day":"2026-09-30","url":"https://firmtape.com/session/2026-09-30","close":7651.51,"move_pct":-0.55,"zero_gamma_flip":7700.12,"close_vs_flip":-48.6,"net_gamma_percentile":45,"flip_crossings":5,"events":["pce","gdp","fed","vix","eia"]},{"day":"2026-09-28","url":"https://firmtape.com/session/2026-09-28","close":7683.49,"move_pct":-0.3,"zero_gamma_flip":7693.67,"close_vs_flip":-10.2,"net_gamma_percentile":25,"flip_crossings":14,"events":["retail"]},{"day":"2026-09-14","url":"https://firmtape.com/session/2026-09-14","close":7620.56,"move_pct":0.27,"zero_gamma_flip":7626.63,"close_vs_flip":-6.1,"net_gamma_percentile":35,"flip_crossings":6,"events":[]},{"day":"2026-09-10","url":"https://firmtape.com/session/2026-09-10","close":7591.6,"move_pct":-0.02,"zero_gamma_flip":7597.64,"close_vs_flip":-6,"net_gamma_percentile":40,"flip_crossings":14,"events":["ppi","claims","eia","auctions"]},{"day":"2026-09-08","url":"https://firmtape.com/session/2026-09-08","close":7673.17,"move_pct":-0.43,"zero_gamma_flip":7687.58,"close_vs_flip":-14.4,"net_gamma_percentile":20,"flip_crossings":21,"events":["auctions"]},{"day":"2026-08-28","url":"https://firmtape.com/session/2026-08-28","close":7711.5,"move_pct":-0.34,"zero_gamma_flip":7720.46,"close_vs_flip":-9,"net_gamma_percentile":20,"flip_crossings":9,"events":["umich"]},{"day":"2026-08-24","url":"https://firmtape.com/session/2026-08-24","close":7653.24,"move_pct":-0.03,"zero_gamma_flip":7657.08,"close_vs_flip":-3.8,"net_gamma_percentile":45,"flip_crossings":12,"events":[]},{"day":"2026-08-12","url":"https://firmtape.com/session/2026-08-12","close":7748.52,"move_pct":-0.17,"zero_gamma_flip":7750.55,"close_vs_flip":-2,"net_gamma_percentile":35,"flip_crossings":22,"events":["cpi","vix","eia","auctions"]},{"day":"2026-08-11","url":"https://firmtape.com/session/2026-08-11","close":7727.62,"move_pct":-0.45,"zero_gamma_flip":7736.07,"close_vs_flip":-8.4,"net_gamma_percentile":20,"flip_crossings":9,"events":["auctions"]},{"day":"2026-08-10","url":"https://firmtape.com/session/2026-08-10","close":7752.95,"move_pct":-0.04,"zero_gamma_flip":7754.88,"close_vs_flip":-1.9,"net_gamma_percentile":30,"flip_crossings":13,"events":[]},{"day":"2026-07-28","url":"https://firmtape.com/session/2026-07-28","close":7428,"move_pct":0.19,"zero_gamma_flip":7432.18,"close_vs_flip":-4.2,"net_gamma_percentile":30,"flip_crossings":15,"events":["confidence","auctions"]},{"day":"2026-07-17","url":"https://firmtape.com/session/2026-07-17","close":7458.16,"move_pct":0.12,"zero_gamma_flip":7471.93,"close_vs_flip":-13.8,"net_gamma_percentile":25,"flip_crossings":10,"events":["housing","umich","opex"]},{"day":"2026-07-16","url":"https://firmtape.com/session/2026-07-16","close":7533.67,"move_pct":-0.32,"zero_gamma_flip":7542.08,"close_vs_flip":-8.4,"net_gamma_percentile":35,"flip_crossings":7,"events":["retail","claims","eia"]},{"day":"2026-07-01","url":"https://firmtape.com/session/2026-07-01","close":7483.35,"move_pct":0.14,"zero_gamma_flip":7497.59,"close_vs_flip":-14.2,"net_gamma_percentile":30,"flip_crossings":15,"events":["vix","ism","housing","eia"]},{"day":"2026-06-25","url":"https://firmtape.com/session/2026-06-25","close":7355.8,"move_pct":-0.86,"zero_gamma_flip":7365.24,"close_vs_flip":-9.4,"net_gamma_percentile":30,"flip_crossings":19,"events":["pce","housing","gdp","claims","eia","auctions"]},{"day":"2026-06-24","url":"https://firmtape.com/session/2026-06-24","close":7358.75,"move_pct":-0.22,"zero_gamma_flip":7374.94,"close_vs_flip":-16.2,"net_gamma_percentile":45,"flip_crossings":8,"events":["housing","vix","eia","auctions","fed"]},{"day":"2026-06-17","url":"https://firmtape.com/session/2026-06-17","close":7420.7,"move_pct":-1.31,"zero_gamma_flip":7478.15,"close_vs_flip":-57.4,"net_gamma_percentile":35,"flip_crossings":9,"events":["retail","vix","eia","fomc"]},{"day":"2026-06-15","url":"https://firmtape.com/session/2026-06-15","close":7553.95,"move_pct":0.24,"zero_gamma_flip":7558.17,"close_vs_flip":-4.2,"net_gamma_percentile":30,"flip_crossings":3,"events":[]},{"day":"2026-06-10","url":"https://firmtape.com/session/2026-06-10","close":7267.52,"move_pct":-1.08,"zero_gamma_flip":7317.12,"close_vs_flip":-49.6,"net_gamma_percentile":35,"flip_crossings":3,"events":["cpi","vix","eia","auctions"]},{"day":"2026-05-22","url":"https://firmtape.com/session/2026-05-22","close":7473.35,"move_pct":-0.15,"zero_gamma_flip":7483.6,"close_vs_flip":-10.2,"net_gamma_percentile":25,"flip_crossings":5,"events":["umich"]},{"day":"2026-05-19","url":"https://firmtape.com/session/2026-05-19","close":7354.17,"move_pct":-0.17,"zero_gamma_flip":7364.84,"close_vs_flip":-10.7,"net_gamma_percentile":20,"flip_crossings":22,"events":["vix"]},{"day":"2026-05-15","url":"https://firmtape.com/session/2026-05-15","close":7407.72,"move_pct":-0.3,"zero_gamma_flip":7429.85,"close_vs_flip":-22.1,"net_gamma_percentile":20,"flip_crossings":16,"events":["opex"]},{"day":"2026-04-23","url":"https://firmtape.com/session/2026-04-23","close":7108.32,"move_pct":-0.16,"zero_gamma_flip":7113.8,"close_vs_flip":-5.5,"net_gamma_percentile":35,"flip_crossings":6,"events":["claims","eia"]},{"day":"2026-03-26","url":"https://firmtape.com/session/2026-03-26","close":6477.72,"move_pct":-0.97,"zero_gamma_flip":6521.33,"close_vs_flip":-43.6,"net_gamma_percentile":30,"flip_crossings":4,"events":["claims","eia","auctions"]},{"day":"2026-03-25","url":"https://firmtape.com/session/2026-03-25","close":6591.77,"move_pct":-0.45,"zero_gamma_flip":6598.7,"close_vs_flip":-6.9,"net_gamma_percentile":25,"flip_crossings":31,"events":["vix","eia","auctions"]},{"day":"2026-03-24","url":"https://firmtape.com/session/2026-03-24","close":6556,"move_pct":0.24,"zero_gamma_flip":6567.23,"close_vs_flip":-11.2,"net_gamma_percentile":35,"flip_crossings":24,"events":["auctions"]},{"day":"2026-03-23","url":"https://firmtape.com/session/2026-03-23","close":6582.06,"move_pct":-0.3,"zero_gamma_flip":6606.42,"close_vs_flip":-24.4,"net_gamma_percentile":45,"flip_crossings":9,"events":["housing"]},{"day":"2026-03-20","url":"https://firmtape.com/session/2026-03-20","close":6506.42,"move_pct":-1.18,"zero_gamma_flip":6534.83,"close_vs_flip":-28.4,"net_gamma_percentile":35,"flip_crossings":18,"events":["opex"]},{"day":"2026-03-17","url":"https://firmtape.com/session/2026-03-17","close":6716.85,"move_pct":-0.28,"zero_gamma_flip":6724.82,"close_vs_flip":-8,"net_gamma_percentile":30,"flip_crossings":13,"events":["auctions"]},{"day":"2026-03-16","url":"https://firmtape.com/session/2026-03-16","close":6699.55,"move_pct":0.12,"zero_gamma_flip":6700.82,"close_vs_flip":-1.3,"net_gamma_percentile":30,"flip_crossings":21,"events":[]},{"day":"2026-03-12","url":"https://firmtape.com/session/2026-03-12","close":6673.29,"move_pct":-0.66,"zero_gamma_flip":6694.2,"close_vs_flip":-20.9,"net_gamma_percentile":30,"flip_crossings":26,"events":["housing","claims","eia","auctions"]},{"day":"2026-03-10","url":"https://firmtape.com/session/2026-03-10","close":6781.42,"move_pct":-0.2,"zero_gamma_flip":6804.91,"close_vs_flip":-23.5,"net_gamma_percentile":20,"flip_crossings":17,"events":["auctions"]},{"day":"2026-02-13","url":"https://firmtape.com/session/2026-02-13","close":6836.35,"move_pct":0.01,"zero_gamma_flip":6852.26,"close_vs_flip":-15.9,"net_gamma_percentile":40,"flip_crossings":18,"events":["cpi"]},{"day":"2026-02-12","url":"https://firmtape.com/session/2026-02-12","close":6832.81,"move_pct":-1.87,"zero_gamma_flip":6874.9,"close_vs_flip":-42.1,"net_gamma_percentile":35,"flip_crossings":1,"events":["claims","eia","auctions"]},{"day":"2026-02-11","url":"https://firmtape.com/session/2026-02-11","close":6942.22,"move_pct":-0.68,"zero_gamma_flip":6949.06,"close_vs_flip":-6.8,"net_gamma_percentile":35,"flip_crossings":39,"events":["nfp","vix","eia","auctions"]},{"day":"2026-02-10","url":"https://firmtape.com/session/2026-02-10","close":6941.12,"move_pct":-0.44,"zero_gamma_flip":6962.28,"close_vs_flip":-21.2,"net_gamma_percentile":30,"flip_crossings":23,"events":["retail","auctions"]},{"day":"2026-02-09","url":"https://firmtape.com/session/2026-02-09","close":6964.56,"move_pct":0.81,"zero_gamma_flip":6964.95,"close_vs_flip":-0.4,"net_gamma_percentile":30,"flip_crossings":5,"events":[]},{"day":"2026-02-05","url":"https://firmtape.com/session/2026-02-05","close":6799.37,"move_pct":-0.34,"zero_gamma_flip":6813.18,"close_vs_flip":-13.8,"net_gamma_percentile":30,"flip_crossings":14,"events":["claims","jolts","eia"]},{"day":"2026-02-04","url":"https://firmtape.com/session/2026-02-04","close":6882.81,"move_pct":-0.55,"zero_gamma_flip":6888.05,"close_vs_flip":-5.2,"net_gamma_percentile":45,"flip_crossings":23,"events":["refunding","vix","ism","eia","fed"]},{"day":"2026-02-02","url":"https://firmtape.com/session/2026-02-02","close":6976.55,"move_pct":0.71,"zero_gamma_flip":6979.06,"close_vs_flip":-2.5,"net_gamma_percentile":40,"flip_crossings":5,"events":["ism","fed","refunding"]},{"day":"2026-01-27","url":"https://firmtape.com/session/2026-01-27","close":6978.77,"move_pct":0.21,"zero_gamma_flip":6979.87,"close_vs_flip":-1.1,"net_gamma_percentile":30,"flip_crossings":8,"events":["housing","confidence","auctions"]},{"day":"2026-01-26","url":"https://firmtape.com/session/2026-01-26","close":6950.7,"move_pct":0.37,"zero_gamma_flip":6956.9,"close_vs_flip":-6.2,"net_gamma_percentile":21.05,"flip_crossings":1,"events":["housing","auctions"]},{"day":"2026-01-23","url":"https://firmtape.com/session/2026-01-23","close":6915.51,"move_pct":0.13,"zero_gamma_flip":6916.04,"close_vs_flip":-0.5,"net_gamma_percentile":31.58,"flip_crossings":25,"events":["umich"]},{"day":"2026-01-22","url":"https://firmtape.com/session/2026-01-22","close":6912.9,"move_pct":-0.12,"zero_gamma_flip":6918.1,"close_vs_flip":-5.2,"net_gamma_percentile":31.58,"flip_crossings":9,"events":["pce","gdp","claims","eia"]},{"day":"2026-01-15","url":"https://firmtape.com/session/2026-01-15","close":6944.02,"move_pct":-0.3,"zero_gamma_flip":6959.14,"close_vs_flip":-15.1,"net_gamma_percentile":26.32,"flip_crossings":25,"events":["claims","eia"]},{"day":"2026-01-07","url":"https://firmtape.com/session/2026-01-07","close":6921.37,"move_pct":-0.33,"zero_gamma_flip":6944.71,"close_vs_flip":-23.3,"net_gamma_percentile":36.84,"flip_crossings":11,"events":["housing","vix","jolts","eia"]},{"day":"2026-01-05","url":"https://firmtape.com/session/2026-01-05","close":6901.52,"move_pct":0.05,"zero_gamma_flip":6907.76,"close_vs_flip":-6.2,"net_gamma_percentile":26.32,"flip_crossings":7,"events":[]},{"day":"2025-12-12","url":"https://firmtape.com/session/2025-12-12","close":6827.49,"move_pct":-0.91,"zero_gamma_flip":6837.75,"close_vs_flip":-10.3,"net_gamma_percentile":31.58,"flip_crossings":3,"events":["umich"]},{"day":"2025-12-05","url":"https://firmtape.com/session/2025-12-05","close":6870.36,"move_pct":-0.03,"zero_gamma_flip":6871.28,"close_vs_flip":-0.9,"net_gamma_percentile":47.37,"flip_crossings":29,"events":["pce"]},{"day":"2025-11-18","url":"https://firmtape.com/session/2025-11-18","close":6617.56,"move_pct":-0.33,"zero_gamma_flip":6637.13,"close_vs_flip":-19.6,"net_gamma_percentile":45,"flip_crossings":20,"events":["housing"]},{"day":"2025-11-17","url":"https://firmtape.com/session/2025-11-17","close":6672.66,"move_pct":-0.52,"zero_gamma_flip":6698.4,"close_vs_flip":-25.7,"net_gamma_percentile":40,"flip_crossings":14,"events":["housing"]},{"day":"2025-11-14","url":"https://firmtape.com/session/2025-11-14","close":6733.27,"move_pct":0.99,"zero_gamma_flip":6745.97,"close_vs_flip":-12.7,"net_gamma_percentile":30,"flip_crossings":14,"events":["umich"]},{"day":"2025-11-13","url":"https://firmtape.com/session/2025-11-13","close":6737.27,"move_pct":-1.2,"zero_gamma_flip":6768.1,"close_vs_flip":-30.8,"net_gamma_percentile":25,"flip_crossings":4,"events":["eia","auctions"]},{"day":"2025-11-05","url":"https://firmtape.com/session/2025-11-05","close":6796.75,"move_pct":0.35,"zero_gamma_flip":6812.54,"close_vs_flip":-15.8,"net_gamma_percentile":25,"flip_crossings":2,"events":["refunding","vix","ism","eia"]},{"day":"2025-10-24","url":"https://firmtape.com/session/2025-10-24","close":6791.3,"move_pct":0.16,"zero_gamma_flip":6798.78,"close_vs_flip":-7.5,"net_gamma_percentile":25,"flip_crossings":1,"events":["cpi","umich"]},{"day":"2025-10-21","url":"https://firmtape.com/session/2025-10-21","close":6735.02,"move_pct":0,"zero_gamma_flip":6740.18,"close_vs_flip":-5.2,"net_gamma_percentile":30,"flip_crossings":21,"events":[]},{"day":"2025-10-16","url":"https://firmtape.com/session/2025-10-16","close":6629.25,"move_pct":-0.95,"zero_gamma_flip":6649.38,"close_vs_flip":-20.1,"net_gamma_percentile":20,"flip_crossings":5,"events":["eia"]},{"day":"2025-10-15","url":"https://firmtape.com/session/2025-10-15","close":6670.77,"move_pct":-0.21,"zero_gamma_flip":6673.62,"close_vs_flip":-2.8,"net_gamma_percentile":30,"flip_crossings":9,"events":["vix","fed"]},{"day":"2025-09-23","url":"https://firmtape.com/session/2025-09-23","close":6657.12,"move_pct":-0.54,"zero_gamma_flip":6672.46,"close_vs_flip":-15.3,"net_gamma_percentile":25,"flip_crossings":17,"events":["fed","auctions"]},{"day":"2025-09-18","url":"https://firmtape.com/session/2025-09-18","close":6631.82,"move_pct":0.15,"zero_gamma_flip":6635.36,"close_vs_flip":-3.5,"net_gamma_percentile":25,"flip_crossings":22,"events":["claims","eia"]},{"day":"2025-09-10","url":"https://firmtape.com/session/2025-09-10","close":6532.62,"move_pct":-0.07,"zero_gamma_flip":6534.05,"close_vs_flip":-1.4,"net_gamma_percentile":20,"flip_crossings":12,"events":["ppi","vix","eia","auctions"]},{"day":"2025-08-21","url":"https://firmtape.com/session/2025-08-21","close":6369.95,"move_pct":0.05,"zero_gamma_flip":6371.74,"close_vs_flip":-1.8,"net_gamma_percentile":30,"flip_crossings":38,"events":["claims","eia"]},{"day":"2025-08-19","url":"https://firmtape.com/session/2025-08-19","close":6411.52,"move_pct":-0.53,"zero_gamma_flip":6418.82,"close_vs_flip":-7.3,"net_gamma_percentile":30,"flip_crossings":7,"events":["housing"]},{"day":"2025-08-11","url":"https://firmtape.com/session/2025-08-11","close":6373.37,"move_pct":-0.28,"zero_gamma_flip":6386.48,"close_vs_flip":-13.1,"net_gamma_percentile":30,"flip_crossings":23,"events":[]},{"day":"2025-08-01","url":"https://firmtape.com/session/2025-08-01","close":6238.35,"move_pct":-0.55,"zero_gamma_flip":6241.83,"close_vs_flip":-3.5,"net_gamma_percentile":36.84,"flip_crossings":11,"events":["nfp","ism","housing"]},{"day":"2025-07-30","url":"https://firmtape.com/session/2025-07-30","close":6362.67,"move_pct":-0.2,"zero_gamma_flip":6368.9,"close_vs_flip":-6.2,"net_gamma_percentile":21.05,"flip_crossings":12,"events":["gdp","refunding","vix","eia","fomc"]},{"day":"2025-07-11","url":"https://firmtape.com/session/2025-07-11","close":6259.27,"move_pct":0.1,"zero_gamma_flip":6260.33,"close_vs_flip":-1.1,"net_gamma_percentile":36.84,"flip_crossings":14,"events":["umich"]},{"day":"2025-06-17","url":"https://firmtape.com/session/2025-06-17","close":5982.67,"move_pct":-0.48,"zero_gamma_flip":6003.04,"close_vs_flip":-20.4,"net_gamma_percentile":35,"flip_crossings":9,"events":["retail"]},{"day":"2025-06-13","url":"https://firmtape.com/session/2025-06-13","close":5976.75,"move_pct":-0.39,"zero_gamma_flip":5993.71,"close_vs_flip":-17,"net_gamma_percentile":20,"flip_crossings":17,"events":["umich","fed"]},{"day":"2025-06-11","url":"https://firmtape.com/session/2025-06-11","close":6022.71,"move_pct":-0.4,"zero_gamma_flip":6035.14,"close_vs_flip":-12.4,"net_gamma_percentile":40,"flip_crossings":12,"events":["cpi","vix","eia","auctions"]},{"day":"2025-06-04","url":"https://firmtape.com/session/2025-06-04","close":5971.5,"move_pct":-0.16,"zero_gamma_flip":5980.22,"close_vs_flip":-8.7,"net_gamma_percentile":40,"flip_crossings":21,"events":["ism","eia","fed"]},{"day":"2025-05-23","url":"https://firmtape.com/session/2025-05-23","close":5802.87,"move_pct":0.5,"zero_gamma_flip":5809.9,"close_vs_flip":-7,"net_gamma_percentile":35,"flip_crossings":14,"events":["housing","umich"]},{"day":"2025-05-13","url":"https://firmtape.com/session/2025-05-13","close":5886.65,"move_pct":0.71,"zero_gamma_flip":5890.06,"close_vs_flip":-3.4,"net_gamma_percentile":25,"flip_crossings":1,"events":["cpi"]},{"day":"2025-05-08","url":"https://firmtape.com/session/2025-05-08","close":5664.05,"move_pct":-0.13,"zero_gamma_flip":5690,"close_vs_flip":-25.9,"net_gamma_percentile":25,"flip_crossings":9,"events":["claims","eia","auctions"]},{"day":"2025-04-23","url":"https://firmtape.com/session/2025-04-23","close":5377.07,"move_pct":-0.77,"zero_gamma_flip":5390.87,"close_vs_flip":-13.8,"net_gamma_percentile":30,"flip_crossings":5,"events":["housing","vix","eia","auctions","fed"]},{"day":"2025-04-17","url":"https://firmtape.com/session/2025-04-17","close":5282.85,"move_pct":-0.33,"zero_gamma_flip":5299.9,"close_vs_flip":-17,"net_gamma_percentile":40,"flip_crossings":25,"events":["housing","claims","eia","fed","opex"]},{"day":"2025-04-16","url":"https://firmtape.com/session/2025-04-16","close":5274.9,"move_pct":-1.27,"zero_gamma_flip":5286.83,"close_vs_flip":-11.9,"net_gamma_percentile":40,"flip_crossings":13,"events":["retail","vix","eia","auctions","fed"]},{"day":"2025-04-15","url":"https://firmtape.com/session/2025-04-15","close":5396.91,"move_pct":-0.33,"zero_gamma_flip":5407.05,"close_vs_flip":-10.1,"net_gamma_percentile":20,"flip_crossings":19,"events":[]},{"day":"2025-04-14","url":"https://firmtape.com/session/2025-04-14","close":5405.1,"move_pct":-0.87,"zero_gamma_flip":5418.55,"close_vs_flip":-13.4,"net_gamma_percentile":20,"flip_crossings":11,"events":[]},{"day":"2025-03-26","url":"https://firmtape.com/session/2025-03-26","close":5712.15,"move_pct":-1.12,"zero_gamma_flip":5732.95,"close_vs_flip":-20.8,"net_gamma_percentile":25,"flip_crossings":3,"events":["housing","vix","eia","auctions"]},{"day":"2025-03-18","url":"https://firmtape.com/session/2025-03-18","close":5614.57,"move_pct":-0.6,"zero_gamma_flip":5616.29,"close_vs_flip":-1.7,"net_gamma_percentile":20,"flip_crossings":36,"events":["housing","vix","auctions"]},{"day":"2025-03-13","url":"https://firmtape.com/session/2025-03-13","close":5521.45,"move_pct":-1.11,"zero_gamma_flip":5542.45,"close_vs_flip":-21,"net_gamma_percentile":30,"flip_crossings":12,"events":["ppi","claims","eia","fed","auctions"]},{"day":"2025-03-11","url":"https://firmtape.com/session/2025-03-11","close":5572.65,"move_pct":-0.6,"zero_gamma_flip":5586.11,"close_vs_flip":-13.5,"net_gamma_percentile":40,"flip_crossings":25,"events":["jolts","auctions"]},{"day":"2025-03-10","url":"https://firmtape.com/session/2025-03-10","close":5614.39,"move_pct":-1.34,"zero_gamma_flip":5629.58,"close_vs_flip":-15.2,"net_gamma_percentile":40,"flip_crossings":2,"events":[]},{"day":"2025-03-06","url":"https://firmtape.com/session/2025-03-06","close":5737.42,"move_pct":-0.5,"zero_gamma_flip":5750.9,"close_vs_flip":-13.5,"net_gamma_percentile":40,"flip_crossings":6,"events":["claims","eia"]},{"day":"2025-03-04","url":"https://firmtape.com/session/2025-03-04","close":5778.45,"move_pct":-0.48,"zero_gamma_flip":5797.6,"close_vs_flip":-19.2,"net_gamma_percentile":35,"flip_crossings":16,"events":[]},{"day":"2025-03-03","url":"https://firmtape.com/session/2025-03-03","close":5849.17,"move_pct":-2.04,"zero_gamma_flip":5908.67,"close_vs_flip":-59.5,"net_gamma_percentile":20,"flip_crossings":25,"events":["ism","housing"]},{"day":"2025-02-27","url":"https://firmtape.com/session/2025-02-27","close":5862.32,"move_pct":-2.05,"zero_gamma_flip":5930.53,"close_vs_flip":-68.2,"net_gamma_percentile":30,"flip_crossings":23,"events":["housing","gdp","claims","eia"]},{"day":"2025-02-26","url":"https://firmtape.com/session/2025-02-26","close":5956.42,"move_pct":-0.15,"zero_gamma_flip":5969.43,"close_vs_flip":-13,"net_gamma_percentile":40,"flip_crossings":5,"events":["housing","vix","eia","auctions"]},{"day":"2025-02-25","url":"https://firmtape.com/session/2025-02-25","close":5955.17,"move_pct":-0.53,"zero_gamma_flip":5956.09,"close_vs_flip":-0.9,"net_gamma_percentile":25,"flip_crossings":19,"events":["confidence","auctions"]},{"day":"2025-01-29","url":"https://firmtape.com/session/2025-01-29","close":6038.1,"move_pct":-0.31,"zero_gamma_flip":6040.53,"close_vs_flip":-2.4,"net_gamma_percentile":45,"flip_crossings":27,"events":["vix","eia","fomc"]},{"day":"2025-01-24","url":"https://firmtape.com/session/2025-01-24","close":6101.27,"move_pct":-0.3,"zero_gamma_flip":6105.45,"close_vs_flip":-4.2,"net_gamma_percentile":26.32,"flip_crossings":7,"events":["umich"]},{"day":"2025-01-22","url":"https://firmtape.com/session/2025-01-22","close":6086.39,"move_pct":0.18,"zero_gamma_flip":6089.9,"close_vs_flip":-3.5,"net_gamma_percentile":26.32,"flip_crossings":1,"events":["vix","auctions"]},{"day":"2025-01-10","url":"https://firmtape.com/session/2025-01-10","close":5826.27,"move_pct":-0.78,"zero_gamma_flip":5838.54,"close_vs_flip":-12.3,"net_gamma_percentile":42.11,"flip_crossings":14,"events":["nfp","umich","eia"]},{"day":"2025-01-07","url":"https://firmtape.com/session/2025-01-07","close":5908.07,"move_pct":-1.5,"zero_gamma_flip":5937.63,"close_vs_flip":-29.6,"net_gamma_percentile":31.58,"flip_crossings":3,"events":["jolts","auctions"]},{"day":"2024-12-30","url":"https://firmtape.com/session/2024-12-30","close":5907.25,"move_pct":0.14,"zero_gamma_flip":5917.97,"close_vs_flip":-10.7,"net_gamma_percentile":38.89,"flip_crossings":4,"events":[]},{"day":"2024-12-20","url":"https://firmtape.com/session/2024-12-20","close":5933.15,"move_pct":1.63,"zero_gamma_flip":5944.54,"close_vs_flip":-11.4,"net_gamma_percentile":42.11,"flip_crossings":14,"events":["pce","opex"]},{"day":"2024-12-19","url":"https://firmtape.com/session/2024-12-19","close":5867.92,"move_pct":-0.91,"zero_gamma_flip":5900.37,"close_vs_flip":-32.4,"net_gamma_percentile":31.58,"flip_crossings":16,"events":["gdp","claims","eia"]},{"day":"2024-12-18","url":"https://firmtape.com/session/2024-12-18","close":5872.81,"move_pct":-2.88,"zero_gamma_flip":6008.02,"close_vs_flip":-135.2,"net_gamma_percentile":31.58,"flip_crossings":1,"events":["housing","vix","eia","fomc"]},{"day":"2024-11-27","url":"https://firmtape.com/session/2024-11-27","close":5997.97,"move_pct":-0.24,"zero_gamma_flip":5999.05,"close_vs_flip":-1.1,"net_gamma_percentile":45,"flip_crossings":25,"events":["pce","housing","gdp","claims","vix","eia","auctions"]},{"day":"2024-11-13","url":"https://firmtape.com/session/2024-11-13","close":5986.47,"move_pct":-0.07,"zero_gamma_flip":5992.68,"close_vs_flip":-6.2,"net_gamma_percentile":20,"flip_crossings":15,"events":["cpi","vix"]},{"day":"2024-11-12","url":"https://firmtape.com/session/2024-11-12","close":5984.54,"move_pct":-0.34,"zero_gamma_flip":5987.81,"close_vs_flip":-3.3,"net_gamma_percentile":25,"flip_crossings":9,"events":[]},{"day":"2024-11-08","url":"https://firmtape.com/session/2024-11-08","close":5996.2,"move_pct":0.24,"zero_gamma_flip":5996.76,"close_vs_flip":-0.6,"net_gamma_percentile":40,"flip_crossings":5,"events":["umich"]},{"day":"2024-11-04","url":"https://firmtape.com/session/2024-11-04","close":5713.45,"move_pct":-0.3,"zero_gamma_flip":5722.47,"close_vs_flip":-9,"net_gamma_percentile":35,"flip_crossings":23,"events":["housing","auctions"]},{"day":"2024-11-01","url":"https://firmtape.com/session/2024-11-01","close":5729.05,"move_pct":-0.04,"zero_gamma_flip":5744.62,"close_vs_flip":-15.6,"net_gamma_percentile":20,"flip_crossings":11,"events":["nfp","ism","housing"]},{"day":"2024-10-23","url":"https://firmtape.com/session/2024-10-23","close":5796.62,"move_pct":-0.64,"zero_gamma_flip":5796.67,"close_vs_flip":-0.1,"net_gamma_percentile":25,"flip_crossings":17,"events":["vix","eia","auctions"]},{"day":"2024-10-01","url":"https://firmtape.com/session/2024-10-01","close":5707.97,"move_pct":-0.75,"zero_gamma_flip":5712.3,"close_vs_flip":-4.3,"net_gamma_percentile":20,"flip_crossings":18,"events":["ism","jolts","housing"]},{"day":"2024-09-25","url":"https://firmtape.com/session/2024-09-25","close":5721.32,"move_pct":-0.33,"zero_gamma_flip":5724.04,"close_vs_flip":-2.7,"net_gamma_percentile":45,"flip_crossings":14,"events":["housing","vix","eia","auctions"]},{"day":"2024-09-19","url":"https://firmtape.com/session/2024-09-19","close":5714.34,"move_pct":0.04,"zero_gamma_flip":5716.01,"close_vs_flip":-1.7,"net_gamma_percentile":45,"flip_crossings":12,"events":["claims","eia"]},{"day":"2024-09-18","url":"https://firmtape.com/session/2024-09-18","close":5618.3,"move_pct":-0.34,"zero_gamma_flip":5636.79,"close_vs_flip":-18.5,"net_gamma_percentile":30,"flip_crossings":21,"events":["housing","vix","eia","fomc"]},{"day":"2024-09-04","url":"https://firmtape.com/session/2024-09-04","close":5520.47,"move_pct":0.15,"zero_gamma_flip":5523.21,"close_vs_flip":-2.7,"net_gamma_percentile":35,"flip_crossings":26,"events":["housing","vix","jolts"]},{"day":"2024-08-29","url":"https://firmtape.com/session/2024-08-29","close":5592.71,"move_pct":-0.29,"zero_gamma_flip":5620.43,"close_vs_flip":-27.7,"net_gamma_percentile":20,"flip_crossings":6,"events":["gdp","claims","eia","auctions"]},{"day":"2024-08-28","url":"https://firmtape.com/session/2024-08-28","close":5592.71,"move_pct":-0.59,"zero_gamma_flip":5593.67,"close_vs_flip":-1,"net_gamma_percentile":45,"flip_crossings":23,"events":["vix","eia","auctions"]},{"day":"2024-08-26","url":"https://firmtape.com/session/2024-08-26","close":5616.92,"move_pct":-0.49,"zero_gamma_flip":5618.36,"close_vs_flip":-1.4,"net_gamma_percentile":30,"flip_crossings":17,"events":["housing"]},{"day":"2024-08-20","url":"https://firmtape.com/session/2024-08-20","close":5596.97,"move_pct":-0.16,"zero_gamma_flip":5598.52,"close_vs_flip":-1.6,"net_gamma_percentile":25,"flip_crossings":19,"events":[]},{"day":"2024-08-06","url":"https://firmtape.com/session/2024-08-06","close":5238.87,"move_pct":0.62,"zero_gamma_flip":5271.95,"close_vs_flip":-33.1,"net_gamma_percentile":35,"flip_crossings":8,"events":["auctions"]},{"day":"2024-07-29","url":"https://firmtape.com/session/2024-07-29","close":5464.52,"move_pct":-0.13,"zero_gamma_flip":5470.29,"close_vs_flip":-5.8,"net_gamma_percentile":36.84,"flip_crossings":27,"events":["refunding"]},{"day":"2024-07-19","url":"https://firmtape.com/session/2024-07-19","close":5505.47,"move_pct":-0.67,"zero_gamma_flip":5515.84,"close_vs_flip":-10.4,"net_gamma_percentile":31.58,"flip_crossings":12,"events":["opex"]},{"day":"2024-07-18","url":"https://firmtape.com/session/2024-07-18","close":5545.79,"move_pct":-0.97,"zero_gamma_flip":5559.56,"close_vs_flip":-13.8,"net_gamma_percentile":36.84,"flip_crossings":7,"events":["claims","eia"]},{"day":"2024-07-17","url":"https://firmtape.com/session/2024-07-17","close":5589.1,"move_pct":-0.4,"zero_gamma_flip":5596.6,"close_vs_flip":-7.5,"net_gamma_percentile":31.58,"flip_crossings":12,"events":["housing","vix","eia","auctions"]},{"day":"2024-07-09","url":"https://firmtape.com/session/2024-07-09","close":5577.12,"move_pct":-0.09,"zero_gamma_flip":5578.65,"close_vs_flip":-1.5,"net_gamma_percentile":31.58,"flip_crossings":32,"events":["fed","auctions"]},{"day":"2024-06-12","url":"https://firmtape.com/session/2024-06-12","close":5420.71,"move_pct":0.02,"zero_gamma_flip":5424.58,"close_vs_flip":-3.9,"net_gamma_percentile":35,"flip_crossings":7,"events":["cpi","vix","eia","fomc"]},{"day":"2024-05-16","url":"https://firmtape.com/session/2024-05-16","close":5297.22,"move_pct":-0.27,"zero_gamma_flip":5309.39,"close_vs_flip":-12.2,"net_gamma_percentile":25,"flip_crossings":3,"events":["housing","claims","eia"]},{"day":"2024-04-26","url":"https://firmtape.com/session/2024-04-26","close":5100.26,"move_pct":0.46,"zero_gamma_flip":5103.08,"close_vs_flip":-2.8,"net_gamma_percentile":40,"flip_crossings":6,"events":["pce","umich"]},{"day":"2024-04-17","url":"https://firmtape.com/session/2024-04-17","close":5022.95,"move_pct":-0.98,"zero_gamma_flip":5036.83,"close_vs_flip":-13.9,"net_gamma_percentile":30,"flip_crossings":8,"events":["vix","eia","auctions"]},{"day":"2024-04-16","url":"https://firmtape.com/session/2024-04-16","close":5052.19,"move_pct":-0.25,"zero_gamma_flip":5061.05,"close_vs_flip":-8.9,"net_gamma_percentile":40,"flip_crossings":37,"events":["housing"]},{"day":"2024-04-08","url":"https://firmtape.com/session/2024-04-08","close":5202.66,"move_pct":-0.11,"zero_gamma_flip":5208.98,"close_vs_flip":-6.3,"net_gamma_percentile":25,"flip_crossings":41,"events":[]},{"day":"2024-04-04","url":"https://firmtape.com/session/2024-04-04","close":5148.32,"move_pct":-1.98,"zero_gamma_flip":5220.44,"close_vs_flip":-72.1,"net_gamma_percentile":25,"flip_crossings":11,"events":["claims","eia"]},{"day":"2024-04-03","url":"https://firmtape.com/session/2024-04-03","close":5212.3,"move_pct":0.31,"zero_gamma_flip":5217.93,"close_vs_flip":-5.6,"net_gamma_percentile":25,"flip_crossings":8,"events":["vix","ism","eia"]},{"day":"2024-03-25","url":"https://firmtape.com/session/2024-03-25","close":5219.07,"move_pct":0,"zero_gamma_flip":5225.86,"close_vs_flip":-6.8,"net_gamma_percentile":40,"flip_crossings":46,"events":["housing"]},{"day":"2024-03-22","url":"https://firmtape.com/session/2024-03-22","close":5234.17,"move_pct":-0.13,"zero_gamma_flip":5238.89,"close_vs_flip":-4.7,"net_gamma_percentile":30,"flip_crossings":27,"events":["umich"]},{"day":"2024-03-21","url":"https://firmtape.com/session/2024-03-21","close":5242.55,"move_pct":-0.17,"zero_gamma_flip":5249.72,"close_vs_flip":-7.2,"net_gamma_percentile":25,"flip_crossings":19,"events":["claims","eia"]},{"day":"2024-03-18","url":"https://firmtape.com/session/2024-03-18","close":5150.15,"move_pct":-0.23,"zero_gamma_flip":5162.01,"close_vs_flip":-11.9,"net_gamma_percentile":45,"flip_crossings":7,"events":[]},{"day":"2024-03-15","url":"https://firmtape.com/session/2024-03-15","close":5115.77,"move_pct":-0.23,"zero_gamma_flip":5118.58,"close_vs_flip":-2.8,"net_gamma_percentile":30,"flip_crossings":25,"events":["opex"]},{"day":"2024-03-06","url":"https://firmtape.com/session/2024-03-06","close":5104.87,"move_pct":-0.14,"zero_gamma_flip":5108.17,"close_vs_flip":-3.3,"net_gamma_percentile":30,"flip_crossings":19,"events":["fed","vix","jolts","eia"]},{"day":"2024-03-05","url":"https://firmtape.com/session/2024-03-05","close":5078.42,"move_pct":-0.61,"zero_gamma_flip":5082.17,"close_vs_flip":-3.7,"net_gamma_percentile":30,"flip_crossings":2,"events":["housing","ism"]},{"day":"2024-02-23","url":"https://firmtape.com/session/2024-02-23","close":5089.57,"move_pct":-0.27,"zero_gamma_flip":5093.04,"close_vs_flip":-3.5,"net_gamma_percentile":30,"flip_crossings":28,"events":["umich"]},{"day":"2024-01-05","url":"https://firmtape.com/session/2024-01-05","close":4696.42,"move_pct":0.11,"zero_gamma_flip":4698.83,"close_vs_flip":-2.4,"net_gamma_percentile":35,"flip_crossings":22,"events":["nfp","housing"]},{"day":"2023-12-22","url":"https://firmtape.com/session/2023-12-22","close":4755.32,"move_pct":-0.08,"zero_gamma_flip":4758.31,"close_vs_flip":-3,"net_gamma_percentile":26.32,"flip_crossings":13,"events":["pce","housing","umich"]},{"day":"2023-11-22","url":"https://firmtape.com/session/2023-11-22","close":4556.65,"move_pct":-0.05,"zero_gamma_flip":4556.69,"close_vs_flip":0,"net_gamma_percentile":35,"flip_crossings":17,"events":["housing","claims","vix","eia"]},{"day":"2023-11-15","url":"https://firmtape.com/session/2023-11-15","close":4503.47,"move_pct":-0.13,"zero_gamma_flip":4508.96,"close_vs_flip":-5.5,"net_gamma_percentile":25,"flip_crossings":27,"events":["ppi","retail","vix","eia"]},{"day":"2023-11-03","url":"https://firmtape.com/session/2023-11-03","close":4359.15,"move_pct":0.4,"zero_gamma_flip":4360.92,"close_vs_flip":-1.8,"net_gamma_percentile":30,"flip_crossings":3,"events":["nfp","ism"]},{"day":"2023-10-27","url":"https://firmtape.com/session/2023-10-27","close":4116.84,"move_pct":-0.85,"zero_gamma_flip":4126.94,"close_vs_flip":-10.1,"net_gamma_percentile":25,"flip_crossings":18,"events":["pce","umich"]},{"day":"2023-10-25","url":"https://firmtape.com/session/2023-10-25","close":4186.77,"move_pct":-0.99,"zero_gamma_flip":4198.95,"close_vs_flip":-12.2,"net_gamma_percentile":25,"flip_crossings":6,"events":["housing","vix","eia","auctions"]},{"day":"2023-10-23","url":"https://firmtape.com/session/2023-10-23","close":4217.89,"move_pct":0.18,"zero_gamma_flip":4232.37,"close_vs_flip":-14.5,"net_gamma_percentile":20,"flip_crossings":10,"events":[]},{"day":"2023-10-19","url":"https://firmtape.com/session/2023-10-19","close":4278.11,"move_pct":-1.04,"zero_gamma_flip":4304.1,"close_vs_flip":-26,"net_gamma_percentile":20,"flip_crossings":14,"events":["claims","eia"]},{"day":"2023-10-13","url":"https://firmtape.com/session/2023-10-13","close":4327.77,"move_pct":-0.97,"zero_gamma_flip":4334.8,"close_vs_flip":-7,"net_gamma_percentile":40,"flip_crossings":7,"events":["umich"]},{"day":"2023-10-12","url":"https://firmtape.com/session/2023-10-12","close":4349.45,"move_pct":-0.67,"zero_gamma_flip":4356.56,"close_vs_flip":-7.1,"net_gamma_percentile":40,"flip_crossings":18,"events":["cpi","claims","eia","auctions"]},{"day":"2023-10-10","url":"https://firmtape.com/session/2023-10-10","close":4357.87,"move_pct":0.41,"zero_gamma_flip":4364.17,"close_vs_flip":-6.3,"net_gamma_percentile":40,"flip_crossings":20,"events":["auctions"]},{"day":"2023-09-29","url":"https://firmtape.com/session/2023-09-29","close":4287.7,"move_pct":-0.92,"zero_gamma_flip":4302,"close_vs_flip":-14.3,"net_gamma_percentile":45,"flip_crossings":18,"events":["pce"]},{"day":"2023-09-26","url":"https://firmtape.com/session/2023-09-26","close":4274.47,"move_pct":-0.81,"zero_gamma_flip":4284.28,"close_vs_flip":-9.8,"net_gamma_percentile":30,"flip_crossings":14,"events":["housing","confidence"]},{"day":"2023-09-20","url":"https://firmtape.com/session/2023-09-20","close":4401.82,"move_pct":-1.15,"zero_gamma_flip":4439.93,"close_vs_flip":-38.1,"net_gamma_percentile":35,"flip_crossings":18,"events":["vix","eia","fomc"]},{"day":"2023-09-12","url":"https://firmtape.com/session/2023-09-12","close":4462.47,"move_pct":-0.19,"zero_gamma_flip":4470.76,"close_vs_flip":-8.3,"net_gamma_percentile":40,"flip_crossings":17,"events":["auctions"]},{"day":"2023-09-08","url":"https://firmtape.com/session/2023-09-08","close":4458.17,"move_pct":0.06,"zero_gamma_flip":4458.96,"close_vs_flip":-0.8,"net_gamma_percentile":40,"flip_crossings":15,"events":["umich","fed"]},{"day":"2023-09-05","url":"https://firmtape.com/session/2023-09-05","close":4496.9,"move_pct":-0.33,"zero_gamma_flip":4505.42,"close_vs_flip":-8.5,"net_gamma_percentile":45,"flip_crossings":23,"events":["housing"]},{"day":"2023-08-24","url":"https://firmtape.com/session/2023-08-24","close":4376.61,"move_pct":-1.71,"zero_gamma_flip":4409.12,"close_vs_flip":-32.5,"net_gamma_percentile":45,"flip_crossings":2,"events":["housing","claims","eia"]},{"day":"2023-08-17","url":"https://firmtape.com/session/2023-08-17","close":4373.2,"move_pct":-1.08,"zero_gamma_flip":4400.97,"close_vs_flip":-27.8,"net_gamma_percentile":30,"flip_crossings":9,"events":["claims","eia"]},{"day":"2023-08-04","url":"https://firmtape.com/session/2023-08-04","close":4477.02,"move_pct":-0.88,"zero_gamma_flip":4515.78,"close_vs_flip":-38.8,"net_gamma_percentile":20,"flip_crossings":3,"events":["nfp"]},{"day":"2023-08-03","url":"https://firmtape.com/session/2023-08-03","close":4501.19,"move_pct":0.13,"zero_gamma_flip":4505.65,"close_vs_flip":-4.5,"net_gamma_percentile":35,"flip_crossings":23,"events":["housing","claims","ism","eia"]},{"day":"2023-07-25","url":"https://firmtape.com/session/2023-07-25","close":4567.82,"move_pct":0.33,"zero_gamma_flip":4568.58,"close_vs_flip":-0.8,"net_gamma_percentile":47.37,"flip_crossings":4,"events":["confidence","auctions"]},{"day":"2023-07-21","url":"https://firmtape.com/session/2023-07-21","close":4536.25,"move_pct":-0.28,"zero_gamma_flip":4544.71,"close_vs_flip":-8.5,"net_gamma_percentile":31.58,"flip_crossings":28,"events":["opex"]},{"day":"2023-07-12","url":"https://firmtape.com/session/2023-07-12","close":4471.84,"move_pct":-0.12,"zero_gamma_flip":4474.62,"close_vs_flip":-2.8,"net_gamma_percentile":36.84,"flip_crossings":15,"events":["cpi","vix","eia","auctions"]},{"day":"2023-07-05","url":"https://firmtape.com/session/2023-07-05","close":4446.82,"move_pct":0.22,"zero_gamma_flip":4446.86,"close_vs_flip":0,"net_gamma_percentile":26.32,"flip_crossings":7,"events":["housing","vix","eia"]},{"day":"2023-06-21","url":"https://firmtape.com/session/2023-06-21","close":4365.75,"move_pct":-0.17,"zero_gamma_flip":4372.06,"close_vs_flip":-6.3,"net_gamma_percentile":30,"flip_crossings":24,"events":["fed","vix","auctions"]},{"day":"2023-06-20","url":"https://firmtape.com/session/2023-06-20","close":4389.45,"move_pct":-0.02,"zero_gamma_flip":4390.36,"close_vs_flip":-0.9,"net_gamma_percentile":30,"flip_crossings":12,"events":["housing"]},{"day":"2023-06-05","url":"https://firmtape.com/session/2023-06-05","close":4274.77,"move_pct":-0.28,"zero_gamma_flip":4282.46,"close_vs_flip":-7.7,"net_gamma_percentile":40,"flip_crossings":15,"events":["housing","ism"]},{"day":"2023-05-30","url":"https://firmtape.com/session/2023-05-30","close":4206.22,"move_pct":-0.5,"zero_gamma_flip":4207.77,"close_vs_flip":-1.6,"net_gamma_percentile":35,"flip_crossings":31,"events":["confidence"]},{"day":"2023-05-23","url":"https://firmtape.com/session/2023-05-23","close":4146.99,"move_pct":-0.66,"zero_gamma_flip":4169.11,"close_vs_flip":-22.1,"net_gamma_percentile":35,"flip_crossings":10,"events":["housing"]},{"day":"2023-05-22","url":"https://firmtape.com/session/2023-05-22","close":4192.09,"move_pct":-0.05,"zero_gamma_flip":4196.83,"close_vs_flip":-4.7,"net_gamma_percentile":35,"flip_crossings":14,"events":[]},{"day":"2023-05-03","url":"https://firmtape.com/session/2023-05-03","close":4091.15,"move_pct":-0.85,"zero_gamma_flip":4119.2,"close_vs_flip":-28,"net_gamma_percentile":25,"flip_crossings":15,"events":["refunding","vix","ism","eia","fomc"]},{"day":"2023-04-20","url":"https://firmtape.com/session/2023-04-20","close":4129.42,"move_pct":0.1,"zero_gamma_flip":4131.47,"close_vs_flip":-2.1,"net_gamma_percentile":30,"flip_crossings":5,"events":["claims","eia"]},{"day":"2023-04-04","url":"https://firmtape.com/session/2023-04-04","close":4099.47,"move_pct":-0.72,"zero_gamma_flip":4100.83,"close_vs_flip":-1.4,"net_gamma_percentile":45,"flip_crossings":10,"events":["housing","jolts"]},{"day":"2023-03-27","url":"https://firmtape.com/session/2023-03-27","close":3976.32,"move_pct":-0.48,"zero_gamma_flip":3985.22,"close_vs_flip":-8.9,"net_gamma_percentile":25,"flip_crossings":21,"events":[]},{"day":"2023-03-23","url":"https://firmtape.com/session/2023-03-23","close":3948.67,"move_pct":-0.54,"zero_gamma_flip":3969.35,"close_vs_flip":-20.7,"net_gamma_percentile":30,"flip_crossings":13,"events":["housing","claims","eia"]},{"day":"2023-03-17","url":"https://firmtape.com/session/2023-03-17","close":3915.85,"move_pct":-0.89,"zero_gamma_flip":3919.9,"close_vs_flip":-4.1,"net_gamma_percentile":25,"flip_crossings":21,"events":["opex"]},{"day":"2023-03-13","url":"https://firmtape.com/session/2023-03-13","close":3856.47,"move_pct":0.85,"zero_gamma_flip":3874.52,"close_vs_flip":-18.1,"net_gamma_percentile":45,"flip_crossings":16,"events":["halts"]},{"day":"2023-03-10","url":"https://firmtape.com/session/2023-03-10","close":3861.6,"move_pct":-1.16,"zero_gamma_flip":3887.09,"close_vs_flip":-25.5,"net_gamma_percentile":25,"flip_crossings":6,"events":["nfp","umich"]},{"day":"2023-03-09","url":"https://firmtape.com/session/2023-03-09","close":3917.82,"move_pct":-2.06,"zero_gamma_flip":3985.21,"close_vs_flip":-67.4,"net_gamma_percentile":45,"flip_crossings":7,"events":["claims","eia","fed","auctions"]},{"day":"2023-02-27","url":"https://firmtape.com/session/2023-02-27","close":3981.87,"move_pct":-0.53,"zero_gamma_flip":3992.18,"close_vs_flip":-10.3,"net_gamma_percentile":40,"flip_crossings":7,"events":["housing"]},{"day":"2023-02-22","url":"https://firmtape.com/session/2023-02-22","close":3989.8,"move_pct":-0.33,"zero_gamma_flip":3993.84,"close_vs_flip":-4,"net_gamma_percentile":20,"flip_crossings":18,"events":["vix","auctions"]},{"day":"2023-02-21","url":"https://firmtape.com/session/2023-02-21","close":3997.21,"move_pct":-1.12,"zero_gamma_flip":4013.5,"close_vs_flip":-16.3,"net_gamma_percentile":30,"flip_crossings":6,"events":[]},{"day":"2023-02-16","url":"https://firmtape.com/session/2023-02-16","close":4092.07,"move_pct":-0.21,"zero_gamma_flip":4117.7,"close_vs_flip":-25.6,"net_gamma_percentile":25,"flip_crossings":16,"events":["housing","ppi","claims","eia"]},{"day":"2023-02-09","url":"https://firmtape.com/session/2023-02-09","close":4081.49,"move_pct":-1.74,"zero_gamma_flip":4111.02,"close_vs_flip":-29.5,"net_gamma_percentile":25,"flip_crossings":9,"events":["claims","eia","auctions","fed"]},{"day":"2023-02-08","url":"https://firmtape.com/session/2023-02-08","close":4119.07,"move_pct":-0.61,"zero_gamma_flip":4124.77,"close_vs_flip":-5.7,"net_gamma_percentile":30,"flip_crossings":11,"events":["vix","eia","auctions"]},{"day":"2023-02-03","url":"https://firmtape.com/session/2023-02-03","close":4136.1,"move_pct":0.08,"zero_gamma_flip":4146.96,"close_vs_flip":-10.9,"net_gamma_percentile":30,"flip_crossings":2,"events":["nfp","ism"]},{"day":"2023-01-30","url":"https://firmtape.com/session/2023-01-30","close":4017.6,"move_pct":-0.68,"zero_gamma_flip":4036.03,"close_vs_flip":-18.4,"net_gamma_percentile":25,"flip_crossings":22,"events":["refunding"]},{"day":"2023-01-05","url":"https://firmtape.com/session/2023-01-05","close":3807.95,"move_pct":-0.58,"zero_gamma_flip":3815.73,"close_vs_flip":-7.8,"net_gamma_percentile":40,"flip_crossings":12,"events":["claims","ism","eia"]},{"day":"2022-12-27","url":"https://firmtape.com/session/2022-12-27","close":3828.47,"move_pct":-0.4,"zero_gamma_flip":3833.57,"close_vs_flip":-5.1,"net_gamma_percentile":40,"flip_crossings":14,"events":["confidence"]},{"day":"2022-12-15","url":"https://firmtape.com/session/2022-12-15","close":3895.91,"move_pct":-1.35,"zero_gamma_flip":3903.8,"close_vs_flip":-7.9,"net_gamma_percentile":21.05,"flip_crossings":8,"events":["retail","claims","eia"]},{"day":"2022-12-14","url":"https://firmtape.com/session/2022-12-14","close":3997.9,"move_pct":-0.6,"zero_gamma_flip":4006.13,"close_vs_flip":-8.2,"net_gamma_percentile":42.11,"flip_crossings":10,"events":["vix","eia","fomc"]},{"day":"2022-12-07","url":"https://firmtape.com/session/2022-12-07","close":3934.77,"move_pct":0,"zero_gamma_flip":3936.74,"close_vs_flip":-2,"net_gamma_percentile":47.37,"flip_crossings":38,"events":["vix","eia"]},{"day":"2022-12-06","url":"https://firmtape.com/session/2022-12-06","close":3942.12,"move_pct":-1.37,"zero_gamma_flip":3956.2,"close_vs_flip":-14.1,"net_gamma_percentile":31.58,"flip_crossings":3,"events":[]},{"day":"2022-11-16","url":"https://firmtape.com/session/2022-11-16","close":3960.3,"move_pct":-0.4,"zero_gamma_flip":3967.22,"close_vs_flip":-6.9,"net_gamma_percentile":30,"flip_crossings":24,"events":["retail","vix","eia","auctions"]},{"day":"2022-11-15","url":"https://firmtape.com/session/2022-11-15","close":3991.67,"move_pct":-0.71,"zero_gamma_flip":4001.32,"close_vs_flip":-9.7,"net_gamma_percentile":20,"flip_crossings":17,"events":["ppi","fed"]},{"day":"2022-11-14","url":"https://firmtape.com/session/2022-11-14","close":3957.77,"move_pct":-0.44,"zero_gamma_flip":3990.35,"close_vs_flip":-32.6,"net_gamma_percentile":30,"flip_crossings":9,"events":[]},{"day":"2022-11-02","url":"https://firmtape.com/session/2022-11-02","close":3760.95,"move_pct":-2.27,"zero_gamma_flip":3829.54,"close_vs_flip":-68.6,"net_gamma_percentile":25,"flip_crossings":11,"events":["refunding","vix","eia","fomc"]},{"day":"2022-11-01","url":"https://firmtape.com/session/2022-11-01","close":3857.77,"move_pct":-1.35,"zero_gamma_flip":3862.08,"close_vs_flip":-4.3,"net_gamma_percentile":40,"flip_crossings":15,"events":["ism","jolts","housing"]},{"day":"2022-10-31","url":"https://firmtape.com/session/2022-10-31","close":3871.72,"move_pct":-0.1,"zero_gamma_flip":3877.03,"close_vs_flip":-5.3,"net_gamma_percentile":45,"flip_crossings":26,"events":["refunding"]},{"day":"2022-10-07","url":"https://firmtape.com/session/2022-10-07","close":3641.52,"move_pct":-1.59,"zero_gamma_flip":3663.08,"close_vs_flip":-21.6,"net_gamma_percentile":45,"flip_crossings":3,"events":["nfp"]},{"day":"2022-10-06","url":"https://firmtape.com/session/2022-10-06","close":3743.92,"move_pct":-0.68,"zero_gamma_flip":3761.52,"close_vs_flip":-17.6,"net_gamma_percentile":25,"flip_crossings":26,"events":["gdp","claims","eia"]},{"day":"2022-09-30","url":"https://firmtape.com/session/2022-09-30","close":3587.67,"move_pct":-1.32,"zero_gamma_flip":3632.4,"close_vs_flip":-44.7,"net_gamma_percentile":20,"flip_crossings":15,"events":["pce"]},{"day":"2022-09-27","url":"https://firmtape.com/session/2022-09-27","close":3646.87,"move_pct":-1.24,"zero_gamma_flip":3659.99,"close_vs_flip":-13.1,"net_gamma_percentile":35,"flip_crossings":10,"events":["housing","confidence","auctions"]},{"day":"2022-09-26","url":"https://firmtape.com/session/2022-09-26","close":3656.12,"move_pct":-0.7,"zero_gamma_flip":3672.27,"close_vs_flip":-16.2,"net_gamma_percentile":30,"flip_crossings":14,"events":[]},{"day":"2022-09-22","url":"https://firmtape.com/session/2022-09-22","close":3758.69,"move_pct":-0.79,"zero_gamma_flip":3767.91,"close_vs_flip":-9.2,"net_gamma_percentile":45,"flip_crossings":19,"events":["claims","eia"]},{"day":"2022-09-21","url":"https://firmtape.com/session/2022-09-21","close":3790.82,"move_pct":-2.29,"zero_gamma_flip":3857.74,"close_vs_flip":-66.9,"net_gamma_percentile":30,"flip_crossings":25,"events":["vix","eia","fomc"]},{"day":"2022-09-20","url":"https://firmtape.com/session/2022-09-20","close":3855.72,"move_pct":-0.28,"zero_gamma_flip":3856.55,"close_vs_flip":-0.8,"net_gamma_percentile":30,"flip_crossings":26,"events":["housing","auctions"]},{"day":"2022-08-30","url":"https://firmtape.com/session/2022-08-30","close":3986.71,"move_pct":-1.39,"zero_gamma_flip":3992.75,"close_vs_flip":-6,"net_gamma_percentile":40,"flip_crossings":2,"events":["confidence","jolts"]},{"day":"2022-08-22","url":"https://firmtape.com/session/2022-08-22","close":4138.92,"move_pct":-0.86,"zero_gamma_flip":4150.65,"close_vs_flip":-11.7,"net_gamma_percentile":35,"flip_crossings":1,"events":[]},{"day":"2022-08-11","url":"https://firmtape.com/session/2022-08-11","close":4205.5,"move_pct":-0.75,"zero_gamma_flip":4226.62,"close_vs_flip":-21.1,"net_gamma_percentile":25,"flip_crossings":3,"events":["ppi","claims","eia","auctions"]},{"day":"2022-08-09","url":"https://firmtape.com/session/2022-08-09","close":4121.89,"move_pct":-0.31,"zero_gamma_flip":4123.76,"close_vs_flip":-1.9,"net_gamma_percentile":40,"flip_crossings":15,"events":[]},{"day":"2022-08-08","url":"https://firmtape.com/session/2022-08-08","close":4140.82,"move_pct":-0.54,"zero_gamma_flip":4153.22,"close_vs_flip":-12.4,"net_gamma_percentile":35,"flip_crossings":1,"events":[]},{"day":"2022-08-02","url":"https://firmtape.com/session/2022-08-02","close":4093.17,"move_pct":-0.18,"zero_gamma_flip":4110.05,"close_vs_flip":-16.9,"net_gamma_percentile":25,"flip_crossings":18,"events":["jolts"]},{"day":"2022-08-01","url":"https://firmtape.com/session/2022-08-01","close":4120.02,"move_pct":0.36,"zero_gamma_flip":4121.87,"close_vs_flip":-1.8,"net_gamma_percentile":40,"flip_crossings":19,"events":["ism","housing","fed","refunding"]},{"day":"2022-07-22","url":"https://firmtape.com/session/2022-07-22","close":3962.12,"move_pct":-1.02,"zero_gamma_flip":3968.3,"close_vs_flip":-6.2,"net_gamma_percentile":25,"flip_crossings":13,"events":["umich"]},{"day":"2022-07-11","url":"https://firmtape.com/session/2022-07-11","close":3853.22,"move_pct":-0.47,"zero_gamma_flip":3860.86,"close_vs_flip":-7.6,"net_gamma_percentile":20,"flip_crossings":12,"events":[]},{"day":"2022-06-27","url":"https://firmtape.com/session/2022-06-27","close":3898.57,"move_pct":-0.7,"zero_gamma_flip":3905.04,"close_vs_flip":-6.5,"net_gamma_percentile":35,"flip_crossings":17,"events":["housing","auctions"]},{"day":"2022-06-22","url":"https://firmtape.com/session/2022-06-22","close":3760.65,"move_pct":1.1,"zero_gamma_flip":3770.5,"close_vs_flip":-9.8,"net_gamma_percentile":25,"flip_crossings":5,"events":["fed","vix","auctions"]},{"day":"2022-06-14","url":"https://firmtape.com/session/2022-06-14","close":3736.39,"move_pct":-0.84,"zero_gamma_flip":3742.77,"close_vs_flip":-6.4,"net_gamma_percentile":40,"flip_crossings":13,"events":["ppi"]},{"day":"2022-06-06","url":"https://firmtape.com/session/2022-06-06","close":4122.72,"move_pct":-0.76,"zero_gamma_flip":4129.98,"close_vs_flip":-7.3,"net_gamma_percentile":35,"flip_crossings":9,"events":["fed"]},{"day":"2022-06-03","url":"https://firmtape.com/session/2022-06-03","close":4107.97,"move_pct":-0.42,"zero_gamma_flip":4115.58,"close_vs_flip":-7.6,"net_gamma_percentile":25,"flip_crossings":20,"events":["nfp","ism"]},{"day":"2022-05-31","url":"https://firmtape.com/session/2022-05-31","close":4133.06,"move_pct":-0.18,"zero_gamma_flip":4139.08,"close_vs_flip":-6,"net_gamma_percentile":30,"flip_crossings":19,"events":["confidence","opex"]},{"day":"2022-05-19","url":"https://firmtape.com/session/2022-05-19","close":3901.97,"move_pct":0.21,"zero_gamma_flip":3916.38,"close_vs_flip":-14.4,"net_gamma_percentile":35,"flip_crossings":33,"events":["claims","eia"]},{"day":"2022-05-18","url":"https://firmtape.com/session/2022-05-18","close":3924.2,"move_pct":-2.87,"zero_gamma_flip":3972.42,"close_vs_flip":-48.2,"net_gamma_percentile":26.32,"flip_crossings":2,"events":["housing","vix","eia","auctions"]},{"day":"2022-05-11","url":"https://firmtape.com/session/2022-05-11","close":3934.19,"move_pct":-1.4,"zero_gamma_flip":3987.47,"close_vs_flip":-53.3,"net_gamma_percentile":33.33,"flip_crossings":13,"events":["cpi","vix","eia","auctions"]},{"day":"2022-05-09","url":"https://firmtape.com/session/2022-05-09","close":3991.46,"move_pct":-1.74,"zero_gamma_flip":4030.04,"close_vs_flip":-38.6,"net_gamma_percentile":38.46,"flip_crossings":2,"events":["fed"]}],"source":"FirmTape derived SPX dealer-positioning measurements; counts, not investment advice."}