{"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/HWM","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/HWM.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/HWM.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":"HWM","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":220.89999389648438,"previous_close":219.75,"delta_neutral":233.3773634765912,"gamma_neutral":241.62232507291793,"gamma_max":276.96243502009395,"total_open_interest":53771,"previous_open_interest":72745,"listed_contracts":581,"listed_calls":374,"listed_puts":294,"gamma_max_distance_pct":25.379104876698598,"delta_neutral_distance_pct":5.648424592512133,"gamma_neutral_distance_pct":9.380865436394814,"open_interest_change_1d_pct":-26.08289229500309,"call_open_interest":21532,"put_open_interest":32239,"put_call_open_interest_ratio":1.4972598922533904,"nearest_expiration_max_pain":225,"nearest_expiration_max_pain_expiry":"2026-10-23","nearest_expiration_max_pain_distance_pct":1.8560462728835219,"all_expiration_max_pain":230,"net_gamma_exposure":-3503397.962177166,"net_gamma_exposure_per_100k_open_interest":-6515404.143826907,"gamma_exposure_flip":241.62232507291793,"gamma_exposure_flip_distance_pct":9.380865436394814,"call_wall":260,"call_wall_distance_pct":17.700320137554293,"put_wall":190,"put_wall_distance_pct":-13.988227591787247,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":894},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":220.9,"totalOi":71653,"analysisCoverage":1,"avgIvPct":177.5,"ivRank":100,"iv52wHighPct":177.5,"iv52wLowPct":45.4,"frontDte":7,"termPremiumPp":0.2889,"riskReversalFrontPp":-29.28,"riskReversal30dPp":2.09,"butterflyFrontPp":5.11,"butterfly30dPp":-0.61,"putCallOiRatio":1.567,"putCallOiFrontRatio":1.626,"putCallVolumeFrontRatio":0.871,"optionVolume":3415,"volumeOiRatio":0.04766,"netDeltaNormalized":-0.109516,"dealerDeltaNormalized":0.109516,"gexPer100kOi":-106057422.131662,"vannaPer100kOi":1727.771342,"charmPer100kOi":1474577.477565,"weekendDeltaShiftPer100kOi":4423732.432696,"ivSurfaceRangePp":111.3,"gammaFlipDistancePct":null,"maxPainDistancePct":8.646446,"peakCallDistancePct":13.173382,"peakPutDistancePct":-0.407424},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/HWM.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."}