{"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/ENSG","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/ENSG.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/ENSG.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":"ENSG","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":171.77999877929688,"previous_close":169.6300048828125,"delta_neutral":154.58737188161865,"gamma_neutral":139.14971533676044,"gamma_max":188.80167235027682,"total_open_interest":3103,"previous_open_interest":2786,"listed_contracts":87,"listed_calls":56,"listed_puts":43,"gamma_max_distance_pct":9.908996211397932,"delta_neutral_distance_pct":-10.008514972553545,"gamma_neutral_distance_pct":-18.99539159064721,"open_interest_change_1d_pct":11.378320172290021,"call_open_interest":2534,"put_open_interest":569,"put_call_open_interest_ratio":0.22454617205998423,"nearest_expiration_max_pain":170,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-1.0362084014122153,"all_expiration_max_pain":165,"net_gamma_exposure":416135.6130116683,"net_gamma_exposure_per_100k_open_interest":13410751.30556456,"gamma_exposure_flip":139.14971533676044,"gamma_exposure_flip_distance_pct":-18.99539159064721,"call_wall":195,"call_wall_distance_pct":13.517290363085987,"put_wall":165,"put_wall_distance_pct":-3.946908154311856,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2899},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.9444,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"ENSG","price":171.78,"totalOi":3103,"analysisCoverage":0.9444,"avgIvPct":38.3,"ivRank":5.6,"iv52wHighPct":97.19,"iv52wLowPct":34.8,"frontDte":14,"frontAtmIvPct":30.9935,"backAtmIvPct":30.4042,"termPremiumPp":0.5893,"expectedMoveFrontPct":6.07,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":2.1,"riskReversal30dPp":2.1,"butterflyFrontPp":-1.39,"butterfly30dPp":-1.39,"putCallOiRatio":0.225,"putCallOiFrontRatio":0.161,"putCallVolumeFrontRatio":0.01,"optionVolume":326,"volumeOiRatio":0.10506,"netDeltaNormalized":0.169565,"dealerDeltaNormalized":-0.169513,"gexPer100kOi":23387293.586851,"vannaPer100kOi":6509.829198,"charmPer100kOi":0,"weekendDeltaShiftPer100kOi":0,"ivSurfaceRangePp":34.1,"gammaFlipDistancePct":-17.0567,"maxPainDistancePct":-3.946909,"peakCallDistancePct":4.78519,"peakPutDistancePct":-3.946909},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/ENSG.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."}