{"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/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=2026-10-02","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":192.4199981689453,"previous_close":191.13999938964844,"delta_neutral":186.81711911700813,"gamma_neutral":197.64799414766324,"gamma_max":220.68760907098297,"total_open_interest":26088,"previous_open_interest":26140,"listed_contracts":263,"listed_calls":202,"listed_puts":153,"gamma_max_distance_pct":14.690578511085223,"delta_neutral_distance_pct":-2.911796645490993,"gamma_neutral_distance_pct":2.716971223608334,"open_interest_change_1d_pct":-0.19892884468247896,"call_open_interest":13337,"put_open_interest":12751,"put_call_open_interest_ratio":0.956062082927195,"nearest_expiration_max_pain":185,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-3.856147094664523,"all_expiration_max_pain":185,"net_gamma_exposure":-511120.1488225649,"net_gamma_exposure_per_100k_open_interest":-1959215.5351984242,"gamma_exposure_flip":197.64799414766324,"gamma_exposure_flip_distance_pct":2.716971223608334,"call_wall":200,"call_wall_distance_pct":3.939300438200516,"put_wall":185,"put_wall_distance_pct":-3.856147094664523,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1379},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"ATI","price":192.42,"totalOi":26088,"analysisCoverage":1,"avgIvPct":67.2,"ivRank":39.3,"iv52wHighPct":78.15,"iv52wLowPct":60.1,"frontDte":14,"frontAtmIvPct":44.2181,"backAtmIvPct":52.566,"termPremiumPp":-8.3479,"expectedMoveFrontPct":8.66,"straddleFrontPct":6.83,"straddle30dPct":6.83,"riskReversalFrontPp":2.75,"riskReversal30dPp":2.75,"butterflyFrontPp":-3.42,"butterfly30dPp":-3.42,"putCallOiRatio":0.956,"putCallOiFrontRatio":1.22,"putCallVolumeFrontRatio":3.955,"optionVolume":1486,"volumeOiRatio":0.056961,"netDeltaNormalized":0.112866,"dealerDeltaNormalized":-0.11185,"gexPer100kOi":-3472117.640294,"vannaPer100kOi":1862.925483,"charmPer100kOi":-256443.57559,"weekendDeltaShiftPer100kOi":-769330.726771,"ivSurfaceRangePp":66.5,"gammaFlipDistancePct":-56.101237,"maxPainDistancePct":-3.856148,"peakCallDistancePct":9.136264,"peakPutDistancePct":-1.257666},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/ATI.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."}