{"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/ATO","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/ATO.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/ATO.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":"ATO","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":167.33999633789062,"previous_close":163.9499969482422,"delta_neutral":161.4650261407392,"gamma_neutral":154.08084468693875,"gamma_max":170.99802805250505,"total_open_interest":1108,"previous_open_interest":2439,"listed_contracts":56,"listed_calls":30,"listed_puts":28,"gamma_max_distance_pct":2.1859876865469605,"delta_neutral_distance_pct":-3.510798569212798,"gamma_neutral_distance_pct":-7.923480304241899,"open_interest_change_1d_pct":-54.57154571545716,"call_open_interest":688,"put_open_interest":420,"put_call_open_interest_ratio":0.6104651162790697,"nearest_expiration_max_pain":160,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":-4.3862773386643354,"all_expiration_max_pain":165,"net_gamma_exposure":170310.07096681517,"net_gamma_exposure_per_100k_open_interest":15370945.033106063,"gamma_exposure_flip":154.08084468693875,"gamma_exposure_flip_distance_pct":-7.923480304241899,"call_wall":170,"call_wall_distance_pct":1.5895803276691438,"put_wall":165,"put_wall_distance_pct":-1.3983485054975957,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":3478},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":0.9444,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":167.34,"totalOi":2441,"analysisCoverage":0.9444,"avgIvPct":272.3,"ivRank":77.6,"iv52wHighPct":343,"iv52wLowPct":27.8,"frontDte":35,"termPremiumPp":0,"riskReversalFrontPp":2.79,"riskReversal30dPp":2.79,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.314,"putCallOiFrontRatio":0.376,"putCallVolumeFrontRatio":0.085,"optionVolume":581,"volumeOiRatio":0.238017,"netDeltaNormalized":0.086742,"dealerDeltaNormalized":-0.062618,"gexPer100kOi":16509855.387136,"vannaPer100kOi":778.369521,"charmPer100kOi":-196599.754199,"weekendDeltaShiftPer100kOi":-589799.262597,"ivSurfaceRangePp":24.7,"gammaFlipDistancePct":0.770886,"maxPainDistancePct":-4.386279,"peakCallDistancePct":-1.398351,"peakPutDistancePct":-4.386279},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/ATO.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."}