{"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/GBTC","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/GBTC.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/GBTC.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":"GBTC","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":65.12999725341797,"previous_close":65.44000244140625,"delta_neutral":55.71752317328881,"gamma_neutral":49.27343831228792,"gamma_max":66.99764537107976,"total_open_interest":48576,"previous_open_interest":50329,"listed_contracts":361,"listed_calls":242,"listed_puts":162,"gamma_max_distance_pct":2.867569778016188,"delta_neutral_distance_pct":-14.451826312084174,"gamma_neutral_distance_pct":-24.3460150618967,"open_interest_change_1d_pct":-3.4830813248822747,"call_open_interest":37323,"put_open_interest":11253,"put_call_open_interest_ratio":0.3015030946065429,"nearest_expiration_max_pain":60,"nearest_expiration_max_pain_expiry":"2026-10-09","nearest_expiration_max_pain_distance_pct":-7.876550698224927,"all_expiration_max_pain":40,"net_gamma_exposure":2982610.0524496133,"net_gamma_exposure_per_100k_open_interest":6140089.86423257,"gamma_exposure_flip":49.27343831228792,"gamma_exposure_flip_distance_pct":-24.3460150618967,"call_wall":65,"call_wall_distance_pct":-0.19959658974367084,"put_wall":62,"put_wall_distance_pct":-4.805769054832425,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1004},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"GBTC","price":65.13,"totalOi":50750,"analysisCoverage":1,"avgIvPct":229,"ivRank":100,"iv52wHighPct":229,"iv52wLowPct":53.68,"frontDte":7,"frontAtmIvPct":33.361,"backAtmIvPct":37.6095,"termPremiumPp":-4.2485,"expectedMoveFrontPct":4.62,"straddleFrontPct":3.68,"straddle30dPct":4.99,"riskReversalFrontPp":-3.73,"riskReversal30dPp":-3.73,"butterflyFrontPp":-22.88,"butterfly30dPp":20.07,"putCallOiRatio":0.304,"putCallOiFrontRatio":0.115,"putCallVolumeFrontRatio":0.145,"optionVolume":1983,"volumeOiRatio":0.039074,"netDeltaNormalized":0.416061,"dealerDeltaNormalized":-0.413052,"gexPer100kOi":5883178.561576,"vannaPer100kOi":-65.024631,"charmPer100kOi":-629286.699507,"weekendDeltaShiftPer100kOi":-1887862.068966,"ivSurfaceRangePp":91,"gammaFlipDistancePct":-46.015661,"maxPainDistancePct":-38.58437,"peakCallDistancePct":-61.615231,"peakPutDistancePct":-61.615231},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/GBTC.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."}