{"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/ECO","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/ECO.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/ECO.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":"ECO","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":87.27999877929688,"previous_close":85.73999786376953,"delta_neutral":79.5971451478346,"gamma_neutral":78.47527204824877,"gamma_max":91.73579005869613,"total_open_interest":17178,"previous_open_interest":16916,"listed_contracts":125,"listed_calls":84,"listed_puts":71,"gamma_max_distance_pct":5.105168814984195,"delta_neutral_distance_pct":-8.80253636447653,"gamma_neutral_distance_pct":-10.08790886135601,"open_interest_change_1d_pct":1.5488295105225822,"call_open_interest":8524,"put_open_interest":8654,"put_call_open_interest_ratio":1.0152510558423276,"nearest_expiration_max_pain":80,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-8.340970303752703,"all_expiration_max_pain":70,"net_gamma_exposure":181100.35157860589,"net_gamma_exposure_per_100k_open_interest":1054257.4896880072,"gamma_exposure_flip":78.47527204824877,"gamma_exposure_flip_distance_pct":-10.08790886135601,"call_wall":85,"call_wall_distance_pct":-2.6122809477372484,"put_wall":85,"put_wall_distance_pct":-2.6122809477372484,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1688},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"ECO","price":87.28,"totalOi":17178,"analysisCoverage":1,"avgIvPct":62.4,"ivRank":18.1,"iv52wHighPct":82.73,"iv52wLowPct":57.9,"frontDte":14,"frontAtmIvPct":55.145,"backAtmIvPct":57.2603,"termPremiumPp":-2.1153,"expectedMoveFrontPct":10.8,"straddleFrontPct":8.22,"straddle30dPct":8.22,"riskReversalFrontPp":2.24,"riskReversal30dPp":2.24,"butterflyFrontPp":-2.74,"butterfly30dPp":-2.74,"putCallOiRatio":1.015,"putCallOiFrontRatio":2.074,"putCallVolumeFrontRatio":0.634,"optionVolume":616,"volumeOiRatio":0.03586,"netDeltaNormalized":0.236985,"dealerDeltaNormalized":-0.219672,"gexPer100kOi":2047375.945977,"vannaPer100kOi":646.175341,"charmPer100kOi":-1125619.979043,"weekendDeltaShiftPer100kOi":-3376859.937129,"ivSurfaceRangePp":134.9,"gammaFlipDistancePct":-11.858387,"maxPainDistancePct":-19.79835,"peakCallDistancePct":3.116407,"peakPutDistancePct":43.217232},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/ECO.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."}