{"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/BTAL","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/BTAL.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/BTAL.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":"BTAL","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":12.010000228881836,"previous_close":12.050000190734863,"delta_neutral":null,"gamma_neutral":null,"gamma_max":null,"total_open_interest":504,"previous_open_interest":481,"listed_contracts":13,"listed_calls":12,"listed_puts":4,"gamma_max_distance_pct":null,"delta_neutral_distance_pct":null,"gamma_neutral_distance_pct":null,"open_interest_change_1d_pct":4.781704781704782,"call_open_interest":475,"put_open_interest":29,"put_call_open_interest_ratio":0.061052631578947365,"nearest_expiration_max_pain":11,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-8.409660363310998,"all_expiration_max_pain":10,"net_gamma_exposure":78399.92378097237,"net_gamma_exposure_per_100k_open_interest":15555540.432732614,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":11,"call_wall_distance_pct":-8.409660363310998,"put_wall":12,"put_wall_distance_pct":-0.08326585088472548,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":4064},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.8333,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"BTAL","price":12.01,"totalOi":504,"analysisCoverage":0.8333,"avgIvPct":33.9,"ivRank":9.7,"iv52wHighPct":128.57,"iv52wLowPct":23.7,"frontDte":14,"frontAtmIvPct":51.3665,"backAtmIvPct":28.3038,"termPremiumPp":23.0627,"expectedMoveFrontPct":10.06,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.061,"putCallOiFrontRatio":0.073,"putCallVolumeFrontRatio":0,"optionVolume":195,"volumeOiRatio":0.386905,"netDeltaNormalized":0.575519,"dealerDeltaNormalized":-0.52756,"gexPer100kOi":2354216.269841,"vannaPer100kOi":-2579.365079,"charmPer100kOi":-10119.047619,"weekendDeltaShiftPer100kOi":-30555.555556,"ivSurfaceRangePp":42.4,"gammaFlipDistancePct":-16.652789,"maxPainDistancePct":-16.736053,"peakCallDistancePct":-8.409659,"peakPutDistancePct":null},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/BTAL.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."}