{"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/MAS","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/MAS.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/MAS.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":"MAS","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":72.87000274658203,"previous_close":72.58000183105469,"delta_neutral":72.21540799665877,"gamma_neutral":70.98539052819706,"gamma_max":79.01367455394086,"total_open_interest":5325,"previous_open_interest":10626,"listed_contracts":41,"listed_calls":28,"listed_puts":19,"gamma_max_distance_pct":8.431002574165536,"delta_neutral_distance_pct":-0.8983048240024476,"gamma_neutral_distance_pct":-2.5862661552779627,"open_interest_change_1d_pct":-49.887069452286845,"call_open_interest":2326,"put_open_interest":2999,"put_call_open_interest_ratio":1.2893379191745487,"nearest_expiration_max_pain":70,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":-3.9385242739223703,"all_expiration_max_pain":70,"net_gamma_exposure":106390.43363839081,"net_gamma_exposure_per_100k_open_interest":1997942.4157444285,"gamma_exposure_flip":70.98539052819706,"gamma_exposure_flip_distance_pct":-2.5862661552779627,"call_wall":75,"call_wall_distance_pct":2.923009706511746,"put_wall":65,"put_wall_distance_pct":-10.800058254356488,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2395},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":72.87,"totalOi":10663,"analysisCoverage":1,"avgIvPct":632.8,"ivRank":98.5,"iv52wHighPct":641.9,"iv52wLowPct":44.4,"frontDte":35,"termPremiumPp":0,"riskReversalFrontPp":0.25,"riskReversal30dPp":0.25,"butterflyFrontPp":4.33,"butterfly30dPp":4.33,"putCallOiRatio":1.004,"putCallOiFrontRatio":0.37,"putCallVolumeFrontRatio":1.111,"optionVolume":168,"volumeOiRatio":0.015755,"netDeltaNormalized":0.007717,"dealerDeltaNormalized":-0.007477,"gexPer100kOi":-4244341.648692,"vannaPer100kOi":2457.094626,"charmPer100kOi":-204642.220763,"weekendDeltaShiftPer100kOi":-613917.284066,"ivSurfaceRangePp":18.1,"gammaFlipDistancePct":-45.999726,"maxPainDistancePct":-3.938521,"peakCallDistancePct":-3.938521,"peakPutDistancePct":-10.800055},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/MAS.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."}