{"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/CHEF","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/CHEF.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/CHEF.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":"CHEF","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":113.56999969482422,"previous_close":114.2699966430664,"delta_neutral":107.12572434879957,"gamma_neutral":67.58755973058143,"gamma_max":119.17102184019741,"total_open_interest":1554,"previous_open_interest":2855,"listed_contracts":56,"listed_calls":31,"listed_puts":32,"gamma_max_distance_pct":4.931779660494664,"delta_neutral_distance_pct":-5.674276096980867,"gamma_neutral_distance_pct":-40.48819238161745,"open_interest_change_1d_pct":-45.569176882662,"call_open_interest":991,"put_open_interest":563,"put_call_open_interest_ratio":0.5681130171543896,"nearest_expiration_max_pain":120,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":5.661706720484229,"all_expiration_max_pain":120,"net_gamma_exposure":78383.1948624834,"net_gamma_exposure_per_100k_open_interest":5043963.63336444,"gamma_exposure_flip":67.58755973058143,"gamma_exposure_flip_distance_pct":-40.48819238161745,"call_wall":120,"call_wall_distance_pct":5.661706720484229,"put_wall":130,"put_wall_distance_pct":14.466848947191249,"gamma_max_cross_direction":"below","delta_neutral_cross_direction":null,"open_interest_rank":3243},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":0.9444,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":113.57,"totalOi":3007,"analysisCoverage":0.9444,"avgIvPct":443.4,"ivRank":100,"iv52wHighPct":443.4,"iv52wLowPct":55.6,"frontDte":35,"termPremiumPp":0,"riskReversalFrontPp":6.53,"riskReversal30dPp":6.53,"butterflyFrontPp":2.63,"butterfly30dPp":2.63,"putCallOiRatio":0.484,"putCallOiFrontRatio":1.09,"putCallVolumeFrontRatio":0,"optionVolume":27,"volumeOiRatio":0.008979,"netDeltaNormalized":0.090948,"dealerDeltaNormalized":-0.06733,"gexPer100kOi":-1081152.311274,"vannaPer100kOi":-199.53442,"charmPer100kOi":89990.023279,"weekendDeltaShiftPer100kOi":270003.325574,"ivSurfaceRangePp":19.9,"gammaFlipDistancePct":null,"maxPainDistancePct":-7.546007,"peakCallDistancePct":-11.948578,"peakPutDistancePct":-3.143436},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/CHEF.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."}