{"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/SPMO","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/SPMO.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/SPMO.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":"SPMO","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":153.22999572753906,"previous_close":152.75,"delta_neutral":140.92496719120152,"gamma_neutral":141.59880761250162,"gamma_max":158.3006450836583,"total_open_interest":27193,"previous_open_interest":27159,"listed_contracts":423,"listed_calls":279,"listed_puts":205,"gamma_max_distance_pct":3.309175420937463,"delta_neutral_distance_pct":-8.03043064637118,"gamma_neutral_distance_pct":-7.590673131466417,"open_interest_change_1d_pct":0.125188703560514,"call_open_interest":18901,"put_open_interest":8292,"put_call_open_interest_ratio":0.43870694672239563,"nearest_expiration_max_pain":145,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-5.371008260140503,"all_expiration_max_pain":140,"net_gamma_exposure":4331214.4155082265,"net_gamma_exposure_per_100k_open_interest":15927681.445622869,"gamma_exposure_flip":141.59880761250162,"gamma_exposure_flip_distance_pct":-7.590673131466417,"call_wall":155,"call_wall_distance_pct":1.1551291012291176,"put_wall":150,"put_wall_distance_pct":-2.1079395794556923,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1351},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"SPMO","price":153.23,"totalOi":27193,"analysisCoverage":1,"avgIvPct":37.1,"ivRank":39.4,"iv52wHighPct":50.63,"iv52wLowPct":28.3,"frontDte":14,"frontAtmIvPct":25.0706,"backAtmIvPct":26.2011,"termPremiumPp":-1.1305,"expectedMoveFrontPct":4.91,"straddleFrontPct":3.67,"straddle30dPct":3.67,"riskReversalFrontPp":2.88,"riskReversal30dPp":2.88,"butterflyFrontPp":-0.31,"butterfly30dPp":-0.31,"putCallOiRatio":0.439,"putCallOiFrontRatio":0.526,"putCallVolumeFrontRatio":2.441,"optionVolume":1256,"volumeOiRatio":0.046188,"netDeltaNormalized":0.289818,"dealerDeltaNormalized":-0.286802,"gexPer100kOi":24769695.583422,"vannaPer100kOi":386.128783,"charmPer100kOi":-2166649.505387,"weekendDeltaShiftPer100kOi":-6499952.193579,"ivSurfaceRangePp":69.8,"gammaFlipDistancePct":-28.401749,"maxPainDistancePct":-8.634079,"peakCallDistancePct":4.418195,"peakPutDistancePct":-2.107942},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/SPMO.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."}