{"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/GERN","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/GERN.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/GERN.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":"GERN","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":1.1699999570846558,"previous_close":1.2300000190734863,"delta_neutral":1.0953312257094456,"gamma_neutral":1.3236535962590943,"gamma_max":2.143352792367834,"total_open_interest":70134,"previous_open_interest":73909,"listed_contracts":35,"listed_calls":40,"listed_puts":25,"gamma_max_distance_pct":83.19255307568795,"delta_neutral_distance_pct":-6.38194308667034,"gamma_neutral_distance_pct":13.132790154736806,"open_interest_change_1d_pct":-5.107632358711388,"call_open_interest":54468,"put_open_interest":15666,"put_call_open_interest_ratio":0.28761841815377837,"nearest_expiration_max_pain":1.5,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":28.205132907664453,"all_expiration_max_pain":1,"net_gamma_exposure":-210371.5248744828,"net_gamma_exposure_per_100k_open_interest":-299956.5472873111,"gamma_exposure_flip":1.3236535962590943,"gamma_exposure_flip_distance_pct":13.132790154736806,"call_wall":3,"call_wall_distance_pct":156.4102658153289,"put_wall":1,"put_wall_distance_pct":-14.529911394890362,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":764},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":0.7778,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":1.17,"totalOi":74059,"analysisCoverage":0.7778,"avgIvPct":6411.3,"ivRank":100,"iv52wHighPct":6411.3,"iv52wLowPct":138.11,"frontDte":null,"termPremiumPp":null,"riskReversalFrontPp":73.85,"riskReversal30dPp":73.85,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.285,"putCallOiFrontRatio":1.01,"putCallVolumeFrontRatio":0.133,"optionVolume":708,"volumeOiRatio":0.00956,"netDeltaNormalized":0.521559,"dealerDeltaNormalized":-0.520714,"gexPer100kOi":-4679.134204,"vannaPer100kOi":1905.237716,"charmPer100kOi":858.774761,"weekendDeltaShiftPer100kOi":2574.974007,"ivSurfaceRangePp":94,"gammaFlipDistancePct":null,"maxPainDistancePct":-14.529915,"peakCallDistancePct":-14.529915,"peakPutDistancePct":-14.529915},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/GERN.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."}