{"schema_version":1,"publisher":"Half on a Double","data_through":"2026-10-16","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=2026-10-16&public_schema=4","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":89.69999694824219,"previous_close":89.18000030517578,"delta_neutral":81.63328521976095,"gamma_neutral":77.47510830319567,"gamma_max":101.47041512632448,"total_open_interest":20847,"previous_open_interest":32316,"listed_contracts":141,"listed_calls":93,"listed_puts":85,"gamma_max_distance_pct":13.121982807729577,"delta_neutral_distance_pct":-8.992989969816625,"gamma_neutral_distance_pct":-13.62863886394601,"open_interest_change_1d_pct":-35.490159673226884,"call_open_interest":9483,"put_open_interest":11364,"put_call_open_interest_ratio":1.1983549509648845,"nearest_expiration_max_pain":90,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":0.33445157409639303,"all_expiration_max_pain":70,"net_gamma_exposure":221289.12508628063,"net_gamma_exposure_per_100k_open_interest":1061491.4620150651,"gamma_exposure_flip":77.47510830319567,"gamma_exposure_flip_distance_pct":-13.62863886394601,"call_wall":100,"call_wall_distance_pct":11.482723971218215,"put_wall":100,"put_wall_distance_pct":11.482723971218215,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1434},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":89.7,"totalOi":33717,"analysisCoverage":1,"avgIvPct":380.9,"ivRank":100,"iv52wHighPct":380.9,"iv52wLowPct":57.9,"frontDte":35,"termPremiumPp":0,"riskReversalFrontPp":6.36,"riskReversal30dPp":6.36,"butterflyFrontPp":4.92,"butterfly30dPp":4.92,"putCallOiRatio":1.762,"putCallOiFrontRatio":3.155,"putCallVolumeFrontRatio":0.429,"optionVolume":2885,"volumeOiRatio":0.085565,"netDeltaNormalized":0.076338,"dealerDeltaNormalized":-0.073517,"gexPer100kOi":-3294881.66207,"vannaPer100kOi":774.090222,"charmPer100kOi":30408.992496,"weekendDeltaShiftPer100kOi":91229.943352,"ivSurfaceRangePp":38.7,"gammaFlipDistancePct":null,"maxPainDistancePct":-10.813824,"peakCallDistancePct":5.908584,"peakPutDistancePct":0.334448},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/ECO.json?date=2026-10-16&public_schema=4","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."}