{"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/GNTX","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/GNTX.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/GNTX.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":"GNTX","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":21.010000228881836,"previous_close":21.110000610351562,"delta_neutral":20.555253577221457,"gamma_neutral":21.010000228881836,"gamma_max":24.29882445545814,"total_open_interest":2179,"previous_open_interest":2319,"listed_contracts":35,"listed_calls":24,"listed_puts":15,"gamma_max_distance_pct":15.653613473336625,"delta_neutral_distance_pct":-2.164429541677263,"gamma_neutral_distance_pct":0,"open_interest_change_1d_pct":-6.0370849504096595,"call_open_interest":1434,"put_open_interest":745,"put_call_open_interest_ratio":0.5195258019525802,"nearest_expiration_max_pain":22.5,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":7.091859851909496,"all_expiration_max_pain":22.5,"net_gamma_exposure":78128.09044185963,"net_gamma_exposure_per_100k_open_interest":3585502.0854456,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":25,"call_wall_distance_pct":18.99095539101055,"put_wall":20,"put_wall_distance_pct":-4.807235687191559,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":3037},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":21.01,"totalOi":2367,"analysisCoverage":1,"avgIvPct":227.6,"ivRank":93.5,"iv52wHighPct":240.8,"iv52wLowPct":38.6,"frontDte":35,"termPremiumPp":2.5316,"riskReversalFrontPp":-15.94,"riskReversal30dPp":-15.94,"butterflyFrontPp":-13.53,"butterfly30dPp":-13.53,"putCallOiRatio":0.512,"putCallOiFrontRatio":0.734,"putCallVolumeFrontRatio":1.143,"optionVolume":150,"volumeOiRatio":0.063371,"netDeltaNormalized":0.051588,"dealerDeltaNormalized":-0.051479,"gexPer100kOi":758873.257288,"vannaPer100kOi":4267.004647,"charmPer100kOi":18546.683566,"weekendDeltaShiftPer100kOi":55640.050697,"ivSurfaceRangePp":34.2,"gammaFlipDistancePct":-32.175155,"maxPainDistancePct":7.091861,"peakCallDistancePct":-4.807235,"peakPutDistancePct":-4.807235},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/GNTX.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."}