{"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/ENTA","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/ENTA.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/ENTA.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":"ENTA","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":12.960000038146973,"previous_close":12.84000015258789,"delta_neutral":10.518204016491246,"gamma_neutral":8.911396893156214,"gamma_max":12.423744891771344,"total_open_interest":677,"previous_open_interest":677,"listed_contracts":25,"listed_calls":19,"listed_puts":9,"gamma_max_distance_pct":-4.137771178990697,"delta_neutral_distance_pct":-18.841018630157777,"gamma_neutral_distance_pct":-31.23922170581745,"open_interest_change_1d_pct":0,"call_open_interest":436,"put_open_interest":241,"put_call_open_interest_ratio":0.5527522935779816,"nearest_expiration_max_pain":12.5,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-3.5493829999459146,"all_expiration_max_pain":12.5,"net_gamma_exposure":32599.171058167376,"net_gamma_exposure_per_100k_open_interest":4815239.447292079,"gamma_exposure_flip":8.911396893156214,"gamma_exposure_flip_distance_pct":-31.23922170581745,"call_wall":12.5,"call_wall_distance_pct":-3.5493829999459146,"put_wall":10,"put_wall_distance_pct":-22.839506399956733,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":3889},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.8889,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"ENTA","price":12.96,"totalOi":677,"analysisCoverage":0.8889,"avgIvPct":140.5,"ivRank":59,"iv52wHighPct":159.3,"iv52wLowPct":113.5,"frontDte":14,"frontAtmIvPct":147.9214,"backAtmIvPct":94.4877,"termPremiumPp":53.4337,"expectedMoveFrontPct":28.97,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":14.3,"riskReversal30dPp":14.3,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.553,"putCallOiFrontRatio":0.638,"putCallVolumeFrontRatio":0,"optionVolume":43,"volumeOiRatio":0.063516,"netDeltaNormalized":0.246425,"dealerDeltaNormalized":-0.246425,"gexPer100kOi":456183.161004,"vannaPer100kOi":738.552437,"charmPer100kOi":-3181536.189069,"weekendDeltaShiftPer100kOi":-9544756.277696,"ivSurfaceRangePp":90.2,"gammaFlipDistancePct":-13.194444,"maxPainDistancePct":-3.549383,"peakCallDistancePct":54.320988,"peakPutDistancePct":null},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/ENTA.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."}