{"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/WMK","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/WMK.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/WMK.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":"WMK","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":75.25,"previous_close":75.37000274658203,"delta_neutral":60.62584267486474,"gamma_neutral":52.68621719588289,"gamma_max":92.4657735766133,"total_open_interest":295,"previous_open_interest":404,"listed_contracts":20,"listed_calls":10,"listed_puts":10,"gamma_max_distance_pct":22.878104420748574,"delta_neutral_distance_pct":-19.434096113136555,"gamma_neutral_distance_pct":-29.98509342739815,"open_interest_change_1d_pct":-26.980198019801982,"call_open_interest":282,"put_open_interest":13,"put_call_open_interest_ratio":0.04609929078014184,"nearest_expiration_max_pain":65,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":-13.621262458471762,"all_expiration_max_pain":70,"net_gamma_exposure":27231.110306303035,"net_gamma_exposure_per_100k_open_interest":9230884.849594248,"gamma_exposure_flip":52.68621719588289,"gamma_exposure_flip_distance_pct":-29.98509342739815,"call_wall":85,"call_wall_distance_pct":12.956810631229235,"put_wall":60,"put_wall_distance_pct":-20.26578073089701,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":4214},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":0.7778,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":75.25,"totalOi":404,"analysisCoverage":0.7778,"avgIvPct":596.8,"ivRank":100,"iv52wHighPct":596.8,"iv52wLowPct":49.22,"frontDte":182,"termPremiumPp":0,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.181,"putCallOiFrontRatio":0,"putCallVolumeFrontRatio":0,"optionVolume":1,"volumeOiRatio":0.002475,"netDeltaNormalized":0.094378,"dealerDeltaNormalized":-0.093911,"gexPer100kOi":5115148.514851,"vannaPer100kOi":2970.29703,"charmPer100kOi":0,"weekendDeltaShiftPer100kOi":0,"ivSurfaceRangePp":16,"gammaFlipDistancePct":8.318937,"maxPainDistancePct":-6.976744,"peakCallDistancePct":null,"peakPutDistancePct":-13.621262},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/WMK.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."}