{"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/BIOA","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/BIOA.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/BIOA.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":"BIOA","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":6.610000133514404,"previous_close":6.809999942779541,"delta_neutral":5.443293527560638,"gamma_neutral":6.610000133514404,"gamma_max":7.07391729613254,"total_open_interest":11867,"previous_open_interest":11837,"listed_contracts":42,"listed_calls":42,"listed_puts":25,"gamma_max_distance_pct":7.018413816150407,"delta_neutral_distance_pct":-17.65062908302019,"gamma_neutral_distance_pct":0,"open_interest_change_1d_pct":0.2534425952521754,"call_open_interest":10202,"put_open_interest":1665,"put_call_open_interest_ratio":0.16320329347186827,"nearest_expiration_max_pain":7.5,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":13.464445514502593,"all_expiration_max_pain":7.5,"net_gamma_exposure":244940.13762674085,"net_gamma_exposure_per_100k_open_interest":2064044.3045988106,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":7.5,"call_wall_distance_pct":13.464445514502593,"put_wall":7.5,"put_wall_distance_pct":13.464445514502593,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1958},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.7778,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"BIOA","price":6.61,"totalOi":11867,"analysisCoverage":0.7778,"avgIvPct":629.9,"ivRank":100,"iv52wHighPct":629.9,"iv52wLowPct":169.21,"frontDte":null,"frontAtmIvPct":null,"backAtmIvPct":null,"termPremiumPp":null,"expectedMoveFrontPct":null,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":-26.48,"riskReversal30dPp":-26.48,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.163,"putCallOiFrontRatio":0.041,"putCallVolumeFrontRatio":40,"optionVolume":47,"volumeOiRatio":0.003961,"netDeltaNormalized":0.442064,"dealerDeltaNormalized":-0.44169,"gexPer100kOi":163683.913373,"vannaPer100kOi":842.672959,"charmPer100kOi":-3332788.40482,"weekendDeltaShiftPer100kOi":-9998373.64119,"ivSurfaceRangePp":203.6,"gammaFlipDistancePct":-21.482602,"maxPainDistancePct":13.464448,"peakCallDistancePct":13.464448,"peakPutDistancePct":13.464448},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/BIOA.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."}