{"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/DVA","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/DVA.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/DVA.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":"DVA","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":187.30999755859375,"previous_close":189.16000366210938,"delta_neutral":181.0970356190872,"gamma_neutral":156.81860405170096,"gamma_max":212.22879446990905,"total_open_interest":56624,"previous_open_interest":72823,"listed_contracts":334,"listed_calls":219,"listed_puts":161,"gamma_max_distance_pct":13.303506078750695,"delta_neutral_distance_pct":-3.316940911049361,"gamma_neutral_distance_pct":-16.27857236897062,"open_interest_change_1d_pct":-22.244345879735796,"call_open_interest":35208,"put_open_interest":21416,"put_call_open_interest_ratio":0.6082708475346512,"nearest_expiration_max_pain":185,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":-1.233248405692357,"all_expiration_max_pain":200,"net_gamma_exposure":2480339.1572292116,"net_gamma_exposure_per_100k_open_interest":4380367.259870746,"gamma_exposure_flip":156.81860405170096,"gamma_exposure_flip_distance_pct":-16.27857236897062,"call_wall":200,"call_wall_distance_pct":6.774866588440695,"put_wall":210,"put_wall_distance_pct":12.11360991786273,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":868},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":187.31,"totalOi":73326,"analysisCoverage":1,"avgIvPct":289.2,"ivRank":100,"iv52wHighPct":289.2,"iv52wLowPct":48.4,"frontDte":35,"termPremiumPp":7.8237,"riskReversalFrontPp":7.94,"riskReversal30dPp":7.94,"butterflyFrontPp":-1.72,"butterfly30dPp":-1.72,"putCallOiRatio":0.502,"putCallOiFrontRatio":0.858,"putCallVolumeFrontRatio":0.01,"optionVolume":13131,"volumeOiRatio":0.179077,"netDeltaNormalized":0.049465,"dealerDeltaNormalized":-0.046835,"gexPer100kOi":16188492.731091,"vannaPer100kOi":3919.482857,"charmPer100kOi":-57765.321987,"weekendDeltaShiftPer100kOi":-173295.96596,"ivSurfaceRangePp":37,"gammaFlipDistancePct":0.314986,"maxPainDistancePct":4.105494,"peakCallDistancePct":4.105494,"peakPutDistancePct":1.436122},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/DVA.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."}