{"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/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=2026-10-02","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":22.079999923706055,"previous_close":21.950000762939453,"delta_neutral":21.35131740703138,"gamma_neutral":18.624793466597552,"gamma_max":24.75869367969533,"total_open_interest":1997,"previous_open_interest":1990,"listed_contracts":35,"listed_calls":26,"listed_puts":16,"gamma_max_distance_pct":12.131765241146187,"delta_neutral_distance_pct":-3.300192568806707,"gamma_neutral_distance_pct":-15.6485800228597,"open_interest_change_1d_pct":0.35175879396984927,"call_open_interest":1373,"put_open_interest":624,"put_call_open_interest_ratio":0.45447924253459576,"nearest_expiration_max_pain":22.5,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":1.902174265150313,"all_expiration_max_pain":22.5,"net_gamma_exposure":120422.57681960882,"net_gamma_exposure_per_100k_open_interest":6030174.102133641,"gamma_exposure_flip":18.624793466597552,"gamma_exposure_flip_distance_pct":-15.6485800228597,"call_wall":25,"call_wall_distance_pct":13.224638072389236,"put_wall":22.5,"put_wall_distance_pct":1.902174265150313,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":3205},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.9444,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"GNTX","price":22.08,"totalOi":1997,"analysisCoverage":0.9444,"avgIvPct":51.4,"ivRank":15.6,"iv52wHighPct":120.84,"iv52wLowPct":38.6,"frontDte":14,"frontAtmIvPct":42.8906,"backAtmIvPct":45.0059,"termPremiumPp":-2.1153,"expectedMoveFrontPct":8.4,"straddleFrontPct":13.13,"straddle30dPct":13.13,"riskReversalFrontPp":-9.62,"riskReversal30dPp":-9.62,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.454,"putCallOiFrontRatio":1.167,"putCallVolumeFrontRatio":0,"optionVolume":28,"volumeOiRatio":0.014021,"netDeltaNormalized":0.092833,"dealerDeltaNormalized":-0.091903,"gexPer100kOi":1473331.497246,"vannaPer100kOi":3405.107661,"charmPer100kOi":105858.788182,"weekendDeltaShiftPer100kOi":317576.364547,"ivSurfaceRangePp":45.4,"gammaFlipDistancePct":-34.32971,"maxPainDistancePct":1.902174,"peakCallDistancePct":58.514493,"peakPutDistancePct":1.902174},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/GNTX.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."}