{"schema_version":1,"publisher":"Half on a Double","data_through":"2026-10-16","frequency":"end-of-day","methodology":"market-implied-carry-v1","generation":"market-implied-carry-analytics-20260917T000000Z","canonical_url":"https://halfonadouble.com/stock/FLY","markdown_url":"https://halfonadouble.com/stock/FLY.md","history_url":"https://halfonadouble.com/api/v1/history/FLY.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/FLY.json?date=2026-10-16&public_schema=4","definitions_url":"https://halfonadouble.com/methodology.md","license_url":"https://halfonadouble.com/terms.md","disclaimer_url":"https://halfonadouble.com/disclaimer.md","symbol":"FLY","page_tier":"A","units":{"prices":"USD per share","open_interest":"option contracts","gamma_exposure":"modeled dollar-delta change per USD 1 underlying move","gamma_exposure_normalized":"modeled gamma exposure per 100,000 open option contracts","distances":"percent of close","forward_outcomes":"close-to-close percent return"},"snapshot":{"close":16.75,"previous_close":17.829999923706055,"delta_neutral":16.348992662954604,"gamma_neutral":5.30715041281715,"gamma_max":24.128905841585166,"total_open_interest":131548,"previous_open_interest":145555,"listed_contracts":517,"listed_calls":300,"listed_puts":235,"gamma_max_distance_pct":44.053169203493525,"delta_neutral_distance_pct":-2.394073654002364,"gamma_neutral_distance_pct":-68.3155199234797,"open_interest_change_1d_pct":-9.623166500635499,"call_open_interest":94479,"put_open_interest":37069,"put_call_open_interest_ratio":0.3923517395400036,"nearest_expiration_max_pain":20,"nearest_expiration_max_pain_expiry":"2026-10-23","nearest_expiration_max_pain_distance_pct":19.402985074626866,"all_expiration_max_pain":20,"net_gamma_exposure":1592306.5162702762,"net_gamma_exposure_per_100k_open_interest":1210437.647300055,"gamma_exposure_flip":5.30715041281715,"gamma_exposure_flip_distance_pct":-68.3155199234797,"call_wall":20,"call_wall_distance_pct":19.402985074626866,"put_wall":20,"put_wall_distance_pct":19.402985074626866,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":518},"history_summary":{"first_date":"2020-12-01","last_date":"2026-10-16","session_count":467,"trailing_window_sessions":252,"sessions_above_gamma_max_pct":13.492063492063492,"gamma_max_cross_count":24,"delta_neutral_cross_count":16,"gamma_max_prior_sessions_closer_pct":96.03174603174604,"gamma_max_prior_comparison_sessions":252,"delta_neutral_prior_sessions_closer_pct":4.365079365079365,"delta_neutral_prior_comparison_sessions":252,"open_interest_percentile_1y":43.65079365079365,"open_interest_change_1d_contracts":-14007,"open_interest_change_z_252":-1.2410951109758914,"open_interest_change_z_comparison_sessions":252,"open_interest_change_5_sessions_pct":-6.698914130488748,"open_interest_change_21_sessions_pct":-25.32640039962762,"call_put_open_interest_changes":{"one_session":{"call_change_contracts":-8516,"put_change_contracts":-5491,"call_growth_pct":-8.268362541870964,"put_growth_pct":-12.901785714285715,"call_minus_put_growth_pp":4.633423172414751},"five_sessions":{"call_change_contracts":-3739,"put_change_contracts":-5706,"call_growth_pct":-3.806837850495836,"put_growth_pct":-13.339567504383401,"call_minus_put_growth_pp":9.532729653887566},"call_change_surprise":{"z_score":-0.9892063281299462,"comparison_sessions":252},"put_change_surprise":{"z_score":-1.6743431078946112,"comparison_sessions":252},"call_minus_put_growth_surprise":{"z_score":0.6806524807033676,"comparison_sessions":252}}},"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":31.159278588669217,"directional_score":17.359743500308547,"catalyst_reasons":[],"features":{"price":16.75,"totalOi":145518,"analysisCoverage":1,"avgIvPct":307.6,"ivRank":72.5,"iv52wHighPct":386.8,"iv52wLowPct":98.6,"frontDte":7,"termPremiumPp":-3.8993,"riskReversalFrontPp":0.29,"riskReversal30dPp":-6.46,"butterflyFrontPp":3.84,"butterfly30dPp":3.84,"putCallOiRatio":0.415,"putCallOiFrontRatio":0.635,"putCallVolumeFrontRatio":0.153,"optionVolume":6535,"volumeOiRatio":0.044909,"netDeltaNormalized":0.004373,"dealerDeltaNormalized":-0.004361,"gexPer100kOi":181997.883423,"vannaPer100kOi":1934.468588,"charmPer100kOi":55749.116948,"weekendDeltaShiftPer100kOi":167247.350843,"ivSurfaceRangePp":127.2,"gammaFlipDistancePct":-15.223881,"maxPainDistancePct":19.402985,"peakCallDistancePct":19.402985,"peakPutDistancePct":4.477612},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/FLY.json?date=2026-10-16&public_schema=4","interpretation":"Catalyst intensity ranks unusual option pricing and activity; it does not identify the event, predict direction or recommend a trade. Directional score summarizes relative positioning under documented model conventions."},"gamma_max_cross_outcomes":[{"direction":"above","event_count":13,"completed_path_count":13,"latest_cross_date":"2026-08-03","horizons":[{"sessions":1,"sample_size":13,"median_return_pct":-1.3876093097312636,"p25_return_pct":-2.938297645582677,"p75_return_pct":2.340034298800431,"above_zero_pct":46.15384615384615,"median_interval_low_pct":-2.938297645582677,"median_interval_high_pct":2.340034298800431,"median_interval_nominal_coverage_pct":90.771484375,"confidence_floor_pct":0},{"sessions":3,"sample_size":13,"median_return_pct":-1.7527724297333958,"p25_return_pct":-3.758656056827292,"p75_return_pct":0.448321429731946,"above_zero_pct":30.76923076923077,"median_interval_low_pct":-3.758656056827292,"median_interval_high_pct":0.448321429731946,"median_interval_nominal_coverage_pct":90.771484375,"confidence_floor_pct":0},{"sessions":5,"sample_size":13,"median_return_pct":1.6281231932957718,"p25_return_pct":-4.516127801710557,"p75_return_pct":10.411312293442077,"above_zero_pct":53.84615384615385,"median_interval_low_pct":-4.516127801710557,"median_interval_high_pct":10.411312293442077,"median_interval_nominal_coverage_pct":90.771484375,"confidence_floor_pct":0},{"sessions":10,"sample_size":13,"median_return_pct":-0.7418379012070764,"p25_return_pct":-10.706404217471842,"p75_return_pct":13.053015155506099,"above_zero_pct":46.15384615384615,"median_interval_low_pct":-10.706404217471842,"median_interval_high_pct":13.053015155506099,"median_interval_nominal_coverage_pct":90.771484375,"confidence_floor_pct":0}]},{"direction":"below","event_count":15,"completed_path_count":15,"latest_cross_date":"2026-05-15","horizons":[{"sessions":1,"sample_size":15,"median_return_pct":-1.7857125751218117,"p25_return_pct":-5.20078180439017,"p75_return_pct":2.393426540273269,"above_zero_pct":40,"median_interval_low_pct":-5.6553522481492475,"median_interval_high_pct":2.522704377894458,"median_interval_nominal_coverage_pct":96.484375,"confidence_floor_pct":0},{"sessions":3,"sample_size":15,"median_return_pct":-1.6145292621158935,"p25_return_pct":-8.123743575882974,"p75_return_pct":4.133592103737371,"above_zero_pct":46.666666666666664,"median_interval_low_pct":-10.808763423885537,"median_interval_high_pct":6.191719061840573,"median_interval_nominal_coverage_pct":96.484375,"confidence_floor_pct":0},{"sessions":5,"sample_size":15,"median_return_pct":-0.8072646310579357,"p25_return_pct":-8.979475780892699,"p75_return_pct":11.80736524735898,"above_zero_pct":46.666666666666664,"median_interval_low_pct":-11.272323935064577,"median_interval_high_pct":12.076272607637307,"median_interval_nominal_coverage_pct":96.484375,"confidence_floor_pct":0},{"sessions":10,"sample_size":15,"median_return_pct":5.782315720272835,"p25_return_pct":-9.623802310534819,"p75_return_pct":15.279820690347368,"above_zero_pct":60,"median_interval_low_pct":-13.639389402235281,"median_interval_high_pct":18.389830857780744,"median_interval_nominal_coverage_pct":96.484375,"confidence_floor_pct":0}]}],"missing_value_semantics":"null means unavailable; it never means zero","interpretation":"These are descriptive end-of-day model outputs. Signed GEX uses the published call-positive, put-negative convention and is not observed dealer inventory. None of the fields are live prices, predictions or investment advice."}