{"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/UL","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/UL.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/UL.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":"UL","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":66.16000366210938,"previous_close":64.6500015258789,"delta_neutral":61.7899211749048,"gamma_neutral":60.42230989263544,"gamma_max":69.90120074417386,"total_open_interest":70627,"previous_open_interest":76883,"listed_contracts":255,"listed_calls":157,"listed_puts":132,"gamma_max_distance_pct":5.654771576451886,"delta_neutral_distance_pct":-6.605323829066497,"gamma_neutral_distance_pct":-8.672450803928811,"open_interest_change_1d_pct":-8.137039397526111,"call_open_interest":37235,"put_open_interest":33392,"put_call_open_interest_ratio":0.8967906539546125,"nearest_expiration_max_pain":60,"nearest_expiration_max_pain_expiry":"2026-10-23","nearest_expiration_max_pain_distance_pct":-9.310766809460263,"all_expiration_max_pain":62.5,"net_gamma_exposure":3321953.2894125646,"net_gamma_exposure_per_100k_open_interest":4703517.478319289,"gamma_exposure_flip":60.42230989263544,"gamma_exposure_flip_distance_pct":-8.672450803928811,"call_wall":70,"call_wall_distance_pct":5.804105388963025,"put_wall":64,"put_wall_distance_pct":-3.2648179300909486,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":760},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":66.16,"totalOi":76744,"analysisCoverage":1,"avgIvPct":103.1,"ivRank":100,"iv52wHighPct":103.1,"iv52wLowPct":28.1,"frontDte":7,"termPremiumPp":6.7637,"riskReversalFrontPp":-11.45,"riskReversal30dPp":5.99,"butterflyFrontPp":-1.63,"butterfly30dPp":0.98,"putCallOiRatio":0.899,"putCallOiFrontRatio":0.245,"putCallVolumeFrontRatio":0,"optionVolume":1706,"volumeOiRatio":0.02223,"netDeltaNormalized":0.175227,"dealerDeltaNormalized":-0.164815,"gexPer100kOi":3290298.928906,"vannaPer100kOi":1747.367872,"charmPer100kOi":-89522.307933,"weekendDeltaShiftPer100kOi":-268568.226832,"ivSurfaceRangePp":95.8,"gammaFlipDistancePct":1.73821,"maxPainDistancePct":-5.532044,"peakCallDistancePct":-0.241838,"peakPutDistancePct":-1.753325},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/UL.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."}