{"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/DGX","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/DGX.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/DGX.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":"DGX","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":233.32000732421875,"previous_close":231.07000732421875,"delta_neutral":238.00318909958173,"gamma_neutral":248.24148196767675,"gamma_max":267.32524083539784,"total_open_interest":10979,"previous_open_interest":10962,"listed_contracts":88,"listed_calls":63,"listed_puts":46,"gamma_max_distance_pct":14.574503876097436,"delta_neutral_distance_pct":2.0071925374386295,"gamma_neutral_distance_pct":6.395282948334255,"open_interest_change_1d_pct":0.15508118956394817,"call_open_interest":4635,"put_open_interest":6344,"put_call_open_interest_ratio":1.3687162891046387,"nearest_expiration_max_pain":240,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":2.8630175150383956,"all_expiration_max_pain":240,"net_gamma_exposure":-2210606.8931951895,"net_gamma_exposure_per_100k_open_interest":-20134865.59062929,"gamma_exposure_flip":248.24148196767675,"gamma_exposure_flip_distance_pct":6.395282948334255,"call_wall":230,"call_wall_distance_pct":-1.4229415480882044,"put_wall":220,"put_wall_distance_pct":-5.708900611214804,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2023},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"DGX","price":233.32,"totalOi":10979,"analysisCoverage":1,"avgIvPct":30.5,"ivRank":13.8,"iv52wHighPct":61.15,"iv52wLowPct":25.6,"frontDte":14,"frontAtmIvPct":25.1216,"backAtmIvPct":29.3125,"termPremiumPp":-4.1909,"expectedMoveFrontPct":4.92,"straddleFrontPct":3.51,"straddle30dPct":3.51,"riskReversalFrontPp":7.02,"riskReversal30dPp":7.02,"butterflyFrontPp":-1.98,"butterfly30dPp":-1.98,"putCallOiRatio":1.369,"putCallOiFrontRatio":6.207,"putCallVolumeFrontRatio":589,"optionVolume":842,"volumeOiRatio":0.076692,"netDeltaNormalized":-0.049082,"dealerDeltaNormalized":0.048201,"gexPer100kOi":-34096498.679297,"vannaPer100kOi":2213.316331,"charmPer100kOi":4915839.329629,"weekendDeltaShiftPer100kOi":14747508.88059,"ivSurfaceRangePp":57.8,"gammaFlipDistancePct":null,"maxPainDistancePct":2.863021,"peakCallDistancePct":7.14898,"peakPutDistancePct":-5.708898},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/DGX.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."}