{"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/SPAX","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/SPAX.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/SPAX.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":"SPAX","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":11.270000457763672,"previous_close":9.829999923706055,"delta_neutral":6.777080373839185,"gamma_neutral":1.8174833957156666,"gamma_max":10.149188290057852,"total_open_interest":5765,"previous_open_interest":5770,"listed_contracts":98,"listed_calls":71,"listed_puts":44,"gamma_max_distance_pct":-9.945094251826008,"delta_neutral_distance_pct":-39.86619255928607,"gamma_neutral_distance_pct":-83.87326244992617,"open_interest_change_1d_pct":-0.08665511265164644,"call_open_interest":4570,"put_open_interest":1195,"put_call_open_interest_ratio":0.2614879649890591,"nearest_expiration_max_pain":10,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-11.268858972306383,"all_expiration_max_pain":10,"net_gamma_exposure":295106.00430553727,"net_gamma_exposure_per_100k_open_interest":5118924.61935017,"gamma_exposure_flip":1.8174833957156666,"gamma_exposure_flip_distance_pct":-83.87326244992617,"call_wall":10,"call_wall_distance_pct":-11.268858972306383,"put_wall":12,"put_wall_distance_pct":6.477369233232341,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2480},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.9444,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"SPAX","price":11.27,"totalOi":5765,"analysisCoverage":0.9444,"avgIvPct":122.2,"ivRank":2.6,"iv52wHighPct":291.4,"iv52wLowPct":117.6,"frontDte":14,"frontAtmIvPct":84.0451,"backAtmIvPct":97.4354,"termPremiumPp":-13.3903,"expectedMoveFrontPct":16.46,"straddleFrontPct":27.73,"straddle30dPct":27.73,"riskReversalFrontPp":9.02,"riskReversal30dPp":9.02,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.261,"putCallOiFrontRatio":0.346,"putCallVolumeFrontRatio":0.103,"optionVolume":904,"volumeOiRatio":0.156808,"netDeltaNormalized":0.413968,"dealerDeltaNormalized":-0.406069,"gexPer100kOi":700778.664354,"vannaPer100kOi":-2601.908066,"charmPer100kOi":-578647.007806,"weekendDeltaShiftPer100kOi":-1735923.677363,"ivSurfaceRangePp":57.2,"gammaFlipDistancePct":-19.432121,"maxPainDistancePct":-11.268855,"peakCallDistancePct":-11.268855,"peakPutDistancePct":6.477374},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/SPAX.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."}