{"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/BIO","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/BIO.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/BIO.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":"BIO","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":369.1400146484375,"previous_close":355.57000732421875,"delta_neutral":310.09664474196944,"gamma_neutral":235.21198272839626,"gamma_max":403.57149509657137,"total_open_interest":203,"previous_open_interest":190,"listed_contracts":55,"listed_calls":38,"listed_puts":25,"gamma_max_distance_pct":9.32748525811427,"delta_neutral_distance_pct":-15.994844114285451,"gamma_neutral_distance_pct":-36.28109297432627,"open_interest_change_1d_pct":6.842105263157896,"call_open_interest":145,"put_open_interest":58,"put_call_open_interest_ratio":0.4,"nearest_expiration_max_pain":380,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":2.941969150081267,"all_expiration_max_pain":300,"net_gamma_exposure":13223.150553714182,"net_gamma_exposure_per_100k_open_interest":6513867.267839498,"gamma_exposure_flip":235.21198272839626,"gamma_exposure_flip_distance_pct":-36.28109297432627,"call_wall":390,"call_wall_distance_pct":5.6509683382413005,"put_wall":380,"put_wall_distance_pct":2.941969150081267,"gamma_max_cross_direction":"below","delta_neutral_cross_direction":null,"open_interest_rank":4486},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.6667,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"BIO","price":369.14,"totalOi":203,"analysisCoverage":0.6667,"avgIvPct":50.3,"ivRank":9.6,"iv52wHighPct":112.5,"iv52wLowPct":43.7,"frontDte":14,"frontAtmIvPct":33.2402,"backAtmIvPct":38.0577,"termPremiumPp":-4.8175,"expectedMoveFrontPct":6.51,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.4,"putCallOiFrontRatio":0.364,"putCallVolumeFrontRatio":0,"optionVolume":4,"volumeOiRatio":0.019704,"netDeltaNormalized":0.2736,"dealerDeltaNormalized":-0.269557,"gexPer100kOi":27712753.694581,"vannaPer100kOi":0,"charmPer100kOi":0,"weekendDeltaShiftPer100kOi":0,"ivSurfaceRangePp":47.5,"gammaFlipDistancePct":-19.610446,"maxPainDistancePct":-18.730021,"peakCallDistancePct":-7.894024,"peakPutDistancePct":-7.894024},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/BIO.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."}