{"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/EVH","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/EVH.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/EVH.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":"EVH","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":4.570000171661377,"previous_close":4.869999885559082,"delta_neutral":3.1055815257826858,"gamma_neutral":1.4319376576637115,"gamma_max":5.081484336563802,"total_open_interest":21043,"previous_open_interest":21473,"listed_contracts":36,"listed_calls":40,"listed_puts":26,"gamma_max_distance_pct":11.192213253604331,"delta_neutral_distance_pct":-32.04417047858264,"gamma_neutral_distance_pct":-68.66657321933654,"open_interest_change_1d_pct":-2.0025147860103383,"call_open_interest":16376,"put_open_interest":4667,"put_call_open_interest_ratio":0.284990229604299,"nearest_expiration_max_pain":5,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":9.409186262290687,"all_expiration_max_pain":5,"net_gamma_exposure":564514.2188752911,"net_gamma_exposure_per_100k_open_interest":2682669.8611190943,"gamma_exposure_flip":1.4319376576637115,"gamma_exposure_flip_distance_pct":-68.66657321933654,"call_wall":5,"call_wall_distance_pct":9.409186262290687,"put_wall":5,"put_wall_distance_pct":9.409186262290687,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1427},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":0.8333,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":4.57,"totalOi":21611,"analysisCoverage":0.8333,"avgIvPct":1790.5,"ivRank":100,"iv52wHighPct":1790.5,"iv52wLowPct":107.39,"frontDte":null,"termPremiumPp":null,"riskReversalFrontPp":7.21,"riskReversal30dPp":7.21,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.279,"putCallOiFrontRatio":1.135,"putCallVolumeFrontRatio":0,"optionVolume":1707,"volumeOiRatio":0.078988,"netDeltaNormalized":0.295247,"dealerDeltaNormalized":-0.265615,"gexPer100kOi":135382.953126,"vannaPer100kOi":3396.418491,"charmPer100kOi":-12155.84656,"weekendDeltaShiftPer100kOi":-36472.166952,"ivSurfaceRangePp":17.1,"gammaFlipDistancePct":null,"maxPainDistancePct":-45.295405,"peakCallDistancePct":9.40919,"peakPutDistancePct":9.40919},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/EVH.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."}