{"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/SMG","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/SMG.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/SMG.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":"SMG","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":49.02000045776367,"previous_close":50.02000045776367,"delta_neutral":50.26389073585122,"gamma_neutral":49.05874822412174,"gamma_max":58.925252023366376,"total_open_interest":12628,"previous_open_interest":12536,"listed_contracts":206,"listed_calls":120,"listed_puts":96,"gamma_max_distance_pct":20.20655135272226,"delta_neutral_distance_pct":2.537515843475566,"gamma_neutral_distance_pct":0.07904481027383245,"open_interest_change_1d_pct":0.7338864071474155,"call_open_interest":8613,"put_open_interest":4015,"put_call_open_interest_ratio":0.4661558109833972,"nearest_expiration_max_pain":52.5,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":7.099142206729976,"all_expiration_max_pain":55,"net_gamma_exposure":-3091.255541368674,"net_gamma_exposure_per_100k_open_interest":-24479.375525567582,"gamma_exposure_flip":49.05874822412174,"gamma_exposure_flip_distance_pct":0.07904481027383245,"call_wall":52.5,"call_wall_distance_pct":7.099142206729976,"put_wall":47.5,"put_wall_distance_pct":-3.100776098672879,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1909},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.9444,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"SMG","price":49.02,"totalOi":12628,"analysisCoverage":0.9444,"avgIvPct":60.4,"ivRank":45.3,"iv52wHighPct":74.27,"iv52wLowPct":48.9,"frontDte":14,"frontAtmIvPct":39.4185,"backAtmIvPct":42.6587,"termPremiumPp":-3.2402,"expectedMoveFrontPct":7.72,"straddleFrontPct":6.17,"straddle30dPct":6.17,"riskReversalFrontPp":-6.37,"riskReversal30dPp":-6.37,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.466,"putCallOiFrontRatio":0.719,"putCallVolumeFrontRatio":0.278,"optionVolume":106,"volumeOiRatio":0.008394,"netDeltaNormalized":-0.028643,"dealerDeltaNormalized":0.028572,"gexPer100kOi":-67678.333861,"vannaPer100kOi":2652.83497,"charmPer100kOi":96420.652518,"weekendDeltaShiftPer100kOi":289261.957555,"ivSurfaceRangePp":52.3,"gammaFlipDistancePct":null,"maxPainDistancePct":12.199102,"peakCallDistancePct":7.099143,"peakPutDistancePct":1.999184},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/SMG.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."}