{"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/SPDW","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/SPDW.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/SPDW.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":"SPDW","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":49.380001068115234,"previous_close":49.52000045776367,"delta_neutral":47.744077347369725,"gamma_neutral":45.46978026093416,"gamma_max":53.01653038182241,"total_open_interest":299,"previous_open_interest":303,"listed_contracts":31,"listed_calls":16,"listed_puts":15,"gamma_max_distance_pct":7.36437674169127,"delta_neutral_distance_pct":-3.3129276738753024,"gamma_neutral_distance_pct":-7.91863248805378,"open_interest_change_1d_pct":-1.3201320132013201,"call_open_interest":209,"put_open_interest":90,"put_call_open_interest_ratio":0.430622009569378,"nearest_expiration_max_pain":44,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":-10.895101157843255,"all_expiration_max_pain":46,"net_gamma_exposure":37579.37699382276,"net_gamma_exposure_per_100k_open_interest":12568353.509639721,"gamma_exposure_flip":45.46978026093416,"gamma_exposure_flip_distance_pct":-7.91863248805378,"call_wall":53,"call_wall_distance_pct":7.330900878052443,"put_wall":43,"put_wall_distance_pct":-12.920212495164998,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":4204},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":0.8333,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":49.38,"totalOi":309,"analysisCoverage":0.8333,"avgIvPct":286.8,"ivRank":100,"iv52wHighPct":286.8,"iv52wLowPct":23.6,"frontDte":35,"termPremiumPp":0,"riskReversalFrontPp":20.05,"riskReversal30dPp":20.05,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.437,"putCallOiFrontRatio":0.138,"putCallVolumeFrontRatio":0,"optionVolume":1,"volumeOiRatio":0.003236,"netDeltaNormalized":0.069903,"dealerDeltaNormalized":-0.069903,"gexPer100kOi":6559618.122977,"vannaPer100kOi":5177.993528,"charmPer100kOi":-20064.724919,"weekendDeltaShiftPer100kOi":-60194.174757,"ivSurfaceRangePp":20,"gammaFlipDistancePct":5.751316,"maxPainDistancePct":-6.844876,"peakCallDistancePct":null,"peakPutDistancePct":-10.895099},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/SPDW.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."}