{"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/BBIO","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/BBIO.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/BBIO.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":"BBIO","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":67.25,"previous_close":66.91000366210938,"delta_neutral":68.60027591897521,"gamma_neutral":74.63062964049975,"gamma_max":83.99672469232881,"total_open_interest":44243,"previous_open_interest":43723,"listed_contracts":256,"listed_calls":191,"listed_puts":110,"gamma_max_distance_pct":24.90219285104656,"delta_neutral_distance_pct":2.0078452326768983,"gamma_neutral_distance_pct":10.9749139635684,"open_interest_change_1d_pct":1.1893053999039407,"call_open_interest":17250,"put_open_interest":26993,"put_call_open_interest_ratio":1.5648115942028986,"nearest_expiration_max_pain":67.5,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":0.37174721189591076,"all_expiration_max_pain":65,"net_gamma_exposure":-2207117.5038620294,"net_gamma_exposure_per_100k_open_interest":-4988625.327988675,"gamma_exposure_flip":74.63062964049975,"gamma_exposure_flip_distance_pct":10.9749139635684,"call_wall":65,"call_wall_distance_pct":-3.3457249070631967,"put_wall":65,"put_wall_distance_pct":-3.3457249070631967,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1053},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"BBIO","price":67.25,"totalOi":44243,"analysisCoverage":1,"avgIvPct":55.9,"ivRank":4.1,"iv52wHighPct":72.15,"iv52wLowPct":55.2,"frontDte":14,"frontAtmIvPct":53.8174,"backAtmIvPct":49.8367,"termPremiumPp":3.9807,"expectedMoveFrontPct":10.54,"straddleFrontPct":8.85,"straddle30dPct":8.85,"riskReversalFrontPp":10.69,"riskReversal30dPp":10.69,"butterflyFrontPp":-8.33,"butterfly30dPp":-8.33,"putCallOiRatio":1.565,"putCallOiFrontRatio":3.528,"putCallVolumeFrontRatio":0.017,"optionVolume":808,"volumeOiRatio":0.018263,"netDeltaNormalized":0.012844,"dealerDeltaNormalized":-0.012715,"gexPer100kOi":-3351589.697805,"vannaPer100kOi":3322.559501,"charmPer100kOi":532848.134168,"weekendDeltaShiftPer100kOi":1598542.14226,"ivSurfaceRangePp":85.4,"gammaFlipDistancePct":-43.197026,"maxPainDistancePct":-3.345725,"peakCallDistancePct":0.371747,"peakPutDistancePct":-47.95539},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/BBIO.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."}