{"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/STXX","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/STXX.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/STXX.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":"STXX","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":38.7599983215332,"previous_close":48.5099983215332,"delta_neutral":34.46954804938507,"gamma_neutral":28.283714989873967,"gamma_max":47.34334945697246,"total_open_interest":790,"previous_open_interest":788,"listed_contracts":80,"listed_calls":43,"listed_puts":43,"gamma_max_distance_pct":22.144869729446707,"delta_neutral_distance_pct":-11.069273627301902,"gamma_neutral_distance_pct":-27.02859593737163,"open_interest_change_1d_pct":0.25380710659898476,"call_open_interest":490,"put_open_interest":300,"put_call_open_interest_ratio":0.6122448979591837,"nearest_expiration_max_pain":40,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":3.1991788755519917,"all_expiration_max_pain":45,"net_gamma_exposure":9500.686515992811,"net_gamma_exposure_per_100k_open_interest":1202618.546328204,"gamma_exposure_flip":28.283714989873967,"gamma_exposure_flip_distance_pct":-27.02859593737163,"call_wall":45,"call_wall_distance_pct":16.09907623499599,"put_wall":45,"put_wall_distance_pct":16.09907623499599,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":3804},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.7778,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"STXX","price":38.76,"totalOi":790,"analysisCoverage":0.7778,"avgIvPct":132.2,"ivRank":0,"iv52wHighPct":184.56,"iv52wLowPct":132.2,"frontDte":14,"frontAtmIvPct":130.9183,"backAtmIvPct":130.5457,"termPremiumPp":0.3726,"expectedMoveFrontPct":25.64,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.612,"putCallOiFrontRatio":0.655,"putCallVolumeFrontRatio":0.256,"optionVolume":669,"volumeOiRatio":0.846835,"netDeltaNormalized":0.131559,"dealerDeltaNormalized":-0.131392,"gexPer100kOi":641648.101266,"vannaPer100kOi":759.493671,"charmPer100kOi":0,"weekendDeltaShiftPer100kOi":0,"ivSurfaceRangePp":18.3,"gammaFlipDistancePct":-41.408669,"maxPainDistancePct":16.099071,"peakCallDistancePct":16.099071,"peakPutDistancePct":-22.600619},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/STXX.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."}