{"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/ATI","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/ATI.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/ATI.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":"ATI","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":185.58999633789062,"previous_close":189.30999755859375,"delta_neutral":173.52127205992952,"gamma_neutral":164.1401767930265,"gamma_max":210.43675333926367,"total_open_interest":28942,"previous_open_interest":39360,"listed_contracts":247,"listed_calls":182,"listed_puts":143,"gamma_max_distance_pct":13.387982914842194,"delta_neutral_distance_pct":-6.502895908240891,"gamma_neutral_distance_pct":-11.557637786581955,"open_interest_change_1d_pct":-26.468495934959353,"call_open_interest":17887,"put_open_interest":11055,"put_call_open_interest_ratio":0.618046626041259,"nearest_expiration_max_pain":175,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":-5.706124547041946,"all_expiration_max_pain":190,"net_gamma_exposure":1336610.56182117,"net_gamma_exposure_per_100k_open_interest":4618238.4141426645,"gamma_exposure_flip":164.1401767930265,"gamma_exposure_flip_distance_pct":-11.557637786581955,"call_wall":220,"call_wall_distance_pct":18.54087199800441,"put_wall":190,"put_wall_distance_pct":2.3762076346401733,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1232},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":185.59,"totalOi":40052,"analysisCoverage":1,"avgIvPct":326.7,"ivRank":100,"iv52wHighPct":326.7,"iv52wLowPct":58,"frontDte":35,"termPremiumPp":5.6308,"riskReversalFrontPp":-0.52,"riskReversal30dPp":-0.52,"butterflyFrontPp":-0.99,"butterfly30dPp":-0.99,"putCallOiRatio":0.751,"putCallOiFrontRatio":0.519,"putCallVolumeFrontRatio":2.118,"optionVolume":830,"volumeOiRatio":0.020723,"netDeltaNormalized":0.078315,"dealerDeltaNormalized":-0.078315,"gexPer100kOi":-87453932.387896,"vannaPer100kOi":2229.601518,"charmPer100kOi":-864303.904924,"weekendDeltaShiftPer100kOi":-2592909.218017,"ivSurfaceRangePp":23.9,"gammaFlipDistancePct":-67.164179,"maxPainDistancePct":-0.317905,"peakCallDistancePct":-0.317905,"peakPutDistancePct":-16.482569},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/ATI.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."}