{"schema_version":1,"publisher":"Half on a Double","data_through":"2026-10-16","frequency":"end-of-day","methodology":"market-implied-carry-v1","generation":"market-implied-carry-analytics-20260917T000000Z","canonical_url":"https://halfonadouble.com/stock/ALL","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/ALL.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/ALL.json?date=2026-10-16&public_schema=4","definitions_url":"https://halfonadouble.com/methodology.md","license_url":"https://halfonadouble.com/terms.md","disclaimer_url":"https://halfonadouble.com/disclaimer.md","symbol":"ALL","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":247.8800048828125,"previous_close":239.60000610351562,"delta_neutral":234.35943525456165,"gamma_neutral":240.38736494115642,"gamma_max":274.924862904037,"total_open_interest":28503,"previous_open_interest":35436,"listed_contracts":287,"listed_calls":198,"listed_puts":161,"gamma_max_distance_pct":10.91046372780661,"delta_neutral_distance_pct":-5.454481750007559,"gamma_neutral_distance_pct":-3.0226883145327887,"open_interest_change_1d_pct":-19.564849305790723,"call_open_interest":12905,"put_open_interest":15598,"put_call_open_interest_ratio":1.2086788066640837,"nearest_expiration_max_pain":230,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":-7.213169489513861,"all_expiration_max_pain":230,"net_gamma_exposure":432976.5302119744,"net_gamma_exposure_per_100k_open_interest":1519055.9948495752,"gamma_exposure_flip":240.38736494115642,"gamma_exposure_flip_distance_pct":-3.0226883145327887,"call_wall":240,"call_wall_distance_pct":-3.1789594673188115,"put_wall":230,"put_wall_distance_pct":-7.213169489513861,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1245},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":247.88,"totalOi":37690,"analysisCoverage":1,"avgIvPct":162.4,"ivRank":100,"iv52wHighPct":162.4,"iv52wLowPct":32.7,"frontDte":35,"termPremiumPp":2.674,"riskReversalFrontPp":4.76,"riskReversal30dPp":4.76,"butterflyFrontPp":2.6,"butterfly30dPp":2.6,"putCallOiRatio":1.284,"putCallOiFrontRatio":2.492,"putCallVolumeFrontRatio":1.973,"optionVolume":2540,"volumeOiRatio":0.067392,"netDeltaNormalized":0.088818,"dealerDeltaNormalized":-0.081784,"gexPer100kOi":1977697.797824,"vannaPer100kOi":1615.813213,"charmPer100kOi":-189280.976386,"weekendDeltaShiftPer100kOi":-567845.582383,"ivSurfaceRangePp":29.5,"gammaFlipDistancePct":11.098112,"maxPainDistancePct":-7.213168,"peakCallDistancePct":8.923673,"peakPutDistancePct":-15.281588},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/ALL.json?date=2026-10-16&public_schema=4","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."}