{"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/SAIL","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/SAIL.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/SAIL.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":"SAIL","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":18.75,"previous_close":19.75,"delta_neutral":16.665976978105444,"gamma_neutral":16.531026202349175,"gamma_max":21.052754676508457,"total_open_interest":23976,"previous_open_interest":45542,"listed_contracts":70,"listed_calls":50,"listed_puts":32,"gamma_max_distance_pct":12.281358274711767,"delta_neutral_distance_pct":-11.114789450104297,"gamma_neutral_distance_pct":-11.834526920804404,"open_interest_change_1d_pct":-47.354090729436564,"call_open_interest":13366,"put_open_interest":10610,"put_call_open_interest_ratio":0.7938051773155769,"nearest_expiration_max_pain":20,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":6.666666666666667,"all_expiration_max_pain":17.5,"net_gamma_exposure":779110.6514590067,"net_gamma_exposure_per_100k_open_interest":3249543.925004199,"gamma_exposure_flip":16.531026202349175,"gamma_exposure_flip_distance_pct":-11.834526920804404,"call_wall":20,"call_wall_distance_pct":6.666666666666667,"put_wall":15,"put_wall_distance_pct":-20,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1355},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":0.8889,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":18.75,"totalOi":52000,"analysisCoverage":0.8889,"avgIvPct":979.7,"ivRank":100,"iv52wHighPct":979.7,"iv52wLowPct":77.6,"frontDte":null,"termPremiumPp":null,"riskReversalFrontPp":-1.25,"riskReversal30dPp":-1.25,"butterflyFrontPp":8.92,"butterfly30dPp":8.92,"putCallOiRatio":0.555,"putCallOiFrontRatio":0.856,"putCallVolumeFrontRatio":0.994,"optionVolume":9864,"volumeOiRatio":0.189692,"netDeltaNormalized":0.150984,"dealerDeltaNormalized":-0.150825,"gexPer100kOi":1026099.673077,"vannaPer100kOi":1434.615385,"charmPer100kOi":-104994.230769,"weekendDeltaShiftPer100kOi":-314984.615385,"ivSurfaceRangePp":21.1,"gammaFlipDistancePct":1.173333,"maxPainDistancePct":6.666667,"peakCallDistancePct":6.666667,"peakPutDistancePct":-20},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/SAIL.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."}