{"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/CENX","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/CENX.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/CENX.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":"CENX","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":35.619998931884766,"previous_close":35.9900016784668,"delta_neutral":38.8174713595928,"gamma_neutral":35.38198872379318,"gamma_max":44.544899757777884,"total_open_interest":40625,"previous_open_interest":39929,"listed_contracts":186,"listed_calls":122,"listed_puts":85,"gamma_max_distance_pct":25.055870560131076,"delta_neutral_distance_pct":8.976621346402851,"gamma_neutral_distance_pct":-0.6681926311865661,"open_interest_change_1d_pct":1.743093991835508,"call_open_interest":24484,"put_open_interest":16141,"put_call_open_interest_ratio":0.6592468550890377,"nearest_expiration_max_pain":40,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":12.296466028791862,"all_expiration_max_pain":42,"net_gamma_exposure":45158.29957256949,"net_gamma_exposure_per_100k_open_interest":111158.89125555567,"gamma_exposure_flip":35.38198872379318,"gamma_exposure_flip_distance_pct":-0.6681926311865661,"call_wall":40,"call_wall_distance_pct":12.296466028791862,"put_wall":40,"put_wall_distance_pct":12.296466028791862,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1109},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.9444,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"CENX","price":35.62,"totalOi":40625,"analysisCoverage":0.9444,"avgIvPct":92.8,"ivRank":48,"iv52wHighPct":107.21,"iv52wLowPct":79.5,"frontDte":14,"frontAtmIvPct":60.3531,"backAtmIvPct":67.3314,"termPremiumPp":-6.9783,"expectedMoveFrontPct":11.82,"straddleFrontPct":9.12,"straddle30dPct":9.12,"riskReversalFrontPp":-26.75,"riskReversal30dPp":-26.75,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.659,"putCallOiFrontRatio":0.485,"putCallVolumeFrontRatio":1.455,"optionVolume":571,"volumeOiRatio":0.014055,"netDeltaNormalized":-0.069606,"dealerDeltaNormalized":0.069605,"gexPer100kOi":64544.566154,"vannaPer100kOi":3008,"charmPer100kOi":-174222.769231,"weekendDeltaShiftPer100kOi":-522670.769231,"ivSurfaceRangePp":129.2,"gammaFlipDistancePct":120.915216,"maxPainDistancePct":17.911286,"peakCallDistancePct":26.33352,"peakPutDistancePct":-15.777653},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/CENX.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."}