{"schema_version":1,"publisher":"Half on a Double","data_through":"2026-10-02","frequency":"end-of-day","methodology":"market-implied-carry-v1","generation":"market-implied-carry-analytics-20260917T000000Z","canonical_url":"https://halfonadouble.com/stock/QQQA","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/QQQA.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/QQQA.json?date=2026-10-02","definitions_url":"https://halfonadouble.com/methodology.md","license_url":"https://halfonadouble.com/terms.md","disclaimer_url":"https://halfonadouble.com/disclaimer.md","symbol":"QQQA","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":73.02999877929688,"previous_close":72.91000366210938,"delta_neutral":70.94758220818431,"gamma_neutral":73.02999877929688,"gamma_max":73.13750724408192,"total_open_interest":139,"previous_open_interest":133,"listed_contracts":22,"listed_calls":14,"listed_puts":8,"gamma_max_distance_pct":0.14721137420519728,"delta_neutral_distance_pct":-2.8514536572919953,"gamma_neutral_distance_pct":0,"open_interest_change_1d_pct":4.511278195488721,"call_open_interest":93,"put_open_interest":46,"put_call_open_interest_ratio":0.4946236559139785,"nearest_expiration_max_pain":70,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-4.148978269127184,"all_expiration_max_pain":72,"net_gamma_exposure":18063.240649148356,"net_gamma_exposure_per_100k_open_interest":12995137.157660687,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":72,"call_wall_distance_pct":-1.4103776482451034,"put_wall":70,"put_wall_distance_pct":-4.148978269127184,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":4635},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.6667,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"QQQA","price":73.03,"totalOi":139,"analysisCoverage":0.6667,"avgIvPct":32.9,"ivRank":2.4,"iv52wHighPct":107.6,"iv52wLowPct":31.1,"frontDte":14,"frontAtmIvPct":29.9723,"backAtmIvPct":28.057,"termPremiumPp":1.9153,"expectedMoveFrontPct":5.87,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.495,"putCallOiFrontRatio":0.808,"putCallVolumeFrontRatio":0,"optionVolume":5,"volumeOiRatio":0.035971,"netDeltaNormalized":0.128777,"dealerDeltaNormalized":-0.128777,"gexPer100kOi":10984654.676259,"vannaPer100kOi":0,"charmPer100kOi":0,"weekendDeltaShiftPer100kOi":0,"ivSurfaceRangePp":17.2,"gammaFlipDistancePct":-2.259345,"maxPainDistancePct":-1.410379,"peakCallDistancePct":-1.410379,"peakPutDistancePct":null},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/QQQA.json?date=2026-10-02","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."}