{"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/BTI","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/BTI.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/BTI.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":"BTI","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":52.63999938964844,"previous_close":53.189998626708984,"delta_neutral":52.21696636410513,"gamma_neutral":47.92721218448695,"gamma_max":61.101311391933905,"total_open_interest":89249,"previous_open_interest":89374,"listed_contracts":260,"listed_calls":137,"listed_puts":149,"gamma_max_distance_pct":16.073921163360367,"delta_neutral_distance_pct":-0.8036341763835454,"gamma_neutral_distance_pct":-8.95286333549664,"open_interest_change_1d_pct":-0.1398617047463468,"call_open_interest":55406,"put_open_interest":33843,"put_call_open_interest_ratio":0.6108183229253149,"nearest_expiration_max_pain":55,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":4.483283886237378,"all_expiration_max_pain":55,"net_gamma_exposure":2404256.609989767,"net_gamma_exposure_per_100k_open_interest":2693875.124639791,"gamma_exposure_flip":47.92721218448695,"gamma_exposure_flip_distance_pct":-8.95286333549664,"call_wall":55,"call_wall_distance_pct":4.483283886237378,"put_wall":55,"put_wall_distance_pct":4.483283886237378,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":686},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"BTI","price":52.64,"totalOi":89249,"analysisCoverage":1,"avgIvPct":37.8,"ivRank":29.3,"iv52wHighPct":54.22,"iv52wLowPct":31,"frontDte":14,"frontAtmIvPct":24.611,"backAtmIvPct":23.4172,"termPremiumPp":1.1938,"expectedMoveFrontPct":4.82,"straddleFrontPct":5.27,"straddle30dPct":5.27,"riskReversalFrontPp":-121.07,"riskReversal30dPp":-121.07,"butterflyFrontPp":0.47,"butterfly30dPp":0.47,"putCallOiRatio":0.611,"putCallOiFrontRatio":0.8,"putCallVolumeFrontRatio":0.395,"optionVolume":1630,"volumeOiRatio":0.018264,"netDeltaNormalized":0.016169,"dealerDeltaNormalized":-0.015714,"gexPer100kOi":1696623.984582,"vannaPer100kOi":3789.398201,"charmPer100kOi":88696.792121,"weekendDeltaShiftPer100kOi":266090.376363,"ivSurfaceRangePp":43.4,"gammaFlipDistancePct":5.452128,"maxPainDistancePct":4.483283,"peakCallDistancePct":-24.012158,"peakPutDistancePct":-5.015198},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/BTI.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."}