{"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/DRV","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/DRV.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/DRV.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":"DRV","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":21.299999237060547,"previous_close":21.549999237060547,"delta_neutral":14.4258841704944,"gamma_neutral":2.9723224034240037,"gamma_max":20.054314673272135,"total_open_interest":1399,"previous_open_interest":1719,"listed_contracts":62,"listed_calls":47,"listed_puts":21,"gamma_max_distance_pct":-5.848284546513063,"delta_neutral_distance_pct":-32.27284184407694,"gamma_neutral_distance_pct":-86.04543422587376,"open_interest_change_1d_pct":-18.61547411285631,"call_open_interest":1300,"put_open_interest":99,"put_call_open_interest_ratio":0.07615384615384616,"nearest_expiration_max_pain":18,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":-15.492954719541835,"all_expiration_max_pain":18,"net_gamma_exposure":115446.32938092087,"net_gamma_exposure_per_100k_open_interest":8252060.713432513,"gamma_exposure_flip":2.9723224034240037,"gamma_exposure_flip_distance_pct":-86.04543422587376,"call_wall":35,"call_wall_distance_pct":64.31925471200198,"put_wall":20,"put_wall_distance_pct":-6.103283021713151,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":3311},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":0.8889,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":21.3,"totalOi":1696,"analysisCoverage":0.8889,"avgIvPct":312.1,"ivRank":100,"iv52wHighPct":312.1,"iv52wLowPct":47.9,"frontDte":35,"termPremiumPp":0,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":-2.23,"butterfly30dPp":-2.23,"putCallOiRatio":0.184,"putCallOiFrontRatio":0.09,"putCallVolumeFrontRatio":0.065,"optionVolume":102,"volumeOiRatio":0.060142,"netDeltaNormalized":0.255595,"dealerDeltaNormalized":-0.25454,"gexPer100kOi":802722.287736,"vannaPer100kOi":2122.641509,"charmPer100kOi":-190153.301887,"weekendDeltaShiftPer100kOi":-570400.943396,"ivSurfaceRangePp":27.7,"gammaFlipDistancePct":-33.849765,"maxPainDistancePct":-10.798122,"peakCallDistancePct":-1.408451,"peakPutDistancePct":-1.408451},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/DRV.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."}