{"schema_version":1,"publisher":"Half on a Double","data_through":"2026-10-02","frequency":"end-of-day","methodology":"market-implied-carry-v1","generation":"market-implied-carry-analytics-20260917T000000Z","canonical_url":"https://halfonadouble.com/stock/GPIX","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/GPIX.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/GPIX.json?date=2026-10-02","definitions_url":"https://halfonadouble.com/methodology.md","license_url":"https://halfonadouble.com/terms.md","disclaimer_url":"https://halfonadouble.com/disclaimer.md","symbol":"GPIX","page_tier":"B","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":55.880001068115234,"previous_close":55.52000045776367,"delta_neutral":55.400583604604805,"gamma_neutral":21.08514639293034,"gamma_max":57.56820005678845,"total_open_interest":1797,"previous_open_interest":1797,"listed_contracts":50,"listed_calls":25,"listed_puts":25,"gamma_max_distance_pct":3.021114811031186,"delta_neutral_distance_pct":-0.8579410421378504,"gamma_neutral_distance_pct":-62.267097369542846,"open_interest_change_1d_pct":0,"call_open_interest":1007,"put_open_interest":790,"put_call_open_interest_ratio":0.7845084409136047,"nearest_expiration_max_pain":56,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":0.21474396848792515,"all_expiration_max_pain":56,"net_gamma_exposure":63189.304889156265,"net_gamma_exposure_per_100k_open_interest":3516377.5675657354,"gamma_exposure_flip":21.08514639293034,"gamma_exposure_flip_distance_pct":-62.267097369542846,"call_wall":56,"call_wall_distance_pct":0.21474396848792515,"put_wall":55,"put_wall_distance_pct":-1.5748050309493593,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":3292},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.9444,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"GPIX","price":55.88,"totalOi":1797,"analysisCoverage":0.9444,"avgIvPct":23.5,"ivRank":14.4,"iv52wHighPct":73.58,"iv52wLowPct":15.1,"frontDte":14,"frontAtmIvPct":35.2826,"backAtmIvPct":19.3233,"termPremiumPp":15.9593,"expectedMoveFrontPct":6.91,"straddleFrontPct":1.21,"straddle30dPct":1.21,"riskReversalFrontPp":-3.34,"riskReversal30dPp":-3.34,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.785,"putCallOiFrontRatio":1.503,"putCallVolumeFrontRatio":0.027,"optionVolume":112,"volumeOiRatio":0.062326,"netDeltaNormalized":0.130576,"dealerDeltaNormalized":-0.12483,"gexPer100kOi":18080136.894825,"vannaPer100kOi":333.889816,"charmPer100kOi":55648.302727,"weekendDeltaShiftPer100kOi":166944.90818,"ivSurfaceRangePp":149.3,"gammaFlipDistancePct":-0.55476,"maxPainDistancePct":0.214746,"peakCallDistancePct":0.214746,"peakPutDistancePct":2.004295},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/GPIX.json?date=2026-10-02","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":[],"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."}