{"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/PHM","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/PHM.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/PHM.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":"PHM","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":113.51000213623047,"previous_close":112.98999786376953,"delta_neutral":115.38923876208165,"gamma_neutral":109.73772191006071,"gamma_max":127.08530519716305,"total_open_interest":15998,"previous_open_interest":21967,"listed_contracts":396,"listed_calls":228,"listed_puts":199,"gamma_max_distance_pct":11.959565505637125,"delta_neutral_distance_pct":1.6555691925684117,"gamma_neutral_distance_pct":-3.3233020484330584,"open_interest_change_1d_pct":-27.172577047389268,"call_open_interest":8209,"put_open_interest":7789,"put_call_open_interest_ratio":0.9488366427092216,"nearest_expiration_max_pain":110,"nearest_expiration_max_pain_expiry":"2026-10-23","nearest_expiration_max_pain_distance_pct":-3.09224039306941,"all_expiration_max_pain":117,"net_gamma_exposure":166191.48897150301,"net_gamma_exposure_per_100k_open_interest":1038826.6594043194,"gamma_exposure_flip":109.73772191006071,"gamma_exposure_flip_distance_pct":-3.3233020484330584,"call_wall":110,"call_wall_distance_pct":-3.09224039306941,"put_wall":110,"put_wall_distance_pct":-3.09224039306941,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1608},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":113.51,"totalOi":21974,"analysisCoverage":1,"avgIvPct":184,"ivRank":96.8,"iv52wHighPct":188.6,"iv52wLowPct":44.06,"frontDte":7,"termPremiumPp":19.2319,"riskReversalFrontPp":-21.85,"riskReversal30dPp":0.37,"butterflyFrontPp":4.46,"butterfly30dPp":4.46,"putCallOiRatio":1.133,"putCallOiFrontRatio":0.726,"putCallVolumeFrontRatio":0.769,"optionVolume":611,"volumeOiRatio":0.027806,"netDeltaNormalized":-0.032564,"dealerDeltaNormalized":0.032038,"gexPer100kOi":-1305660.59889,"vannaPer100kOi":1947.756439,"charmPer100kOi":-765709.474834,"weekendDeltaShiftPer100kOi":-2297128.424502,"ivSurfaceRangePp":79.8,"gammaFlipDistancePct":-49.484627,"maxPainDistancePct":3.955599,"peakCallDistancePct":10.122456,"peakPutDistancePct":-7.497137},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/PHM.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."}