{"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/UDR","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/UDR.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/UDR.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":"UDR","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":33.27000045776367,"previous_close":33.68000030517578,"delta_neutral":33.75269173438073,"gamma_neutral":41.58750057220459,"gamma_max":36.855287491613936,"total_open_interest":1814,"previous_open_interest":1802,"listed_contracts":52,"listed_calls":25,"listed_puts":28,"gamma_max_distance_pct":10.776335991945034,"delta_neutral_distance_pct":1.45083038766362,"gamma_neutral_distance_pct":25,"open_interest_change_1d_pct":0.6659267480577136,"call_open_interest":959,"put_open_interest":855,"put_call_open_interest_ratio":0.8915537017726799,"nearest_expiration_max_pain":37.5,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":12.714155347266438,"all_expiration_max_pain":35,"net_gamma_exposure":-8307.816989086716,"net_gamma_exposure_per_100k_open_interest":-457983.29598052456,"gamma_exposure_flip":41.58750057220459,"gamma_exposure_flip_distance_pct":25,"call_wall":35,"call_wall_distance_pct":5.199878324115342,"put_wall":32.5,"put_wall_distance_pct":-2.314398699035754,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":3285},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.8889,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"UDR","price":33.27,"totalOi":1814,"analysisCoverage":0.8889,"avgIvPct":66.2,"ivRank":48.7,"iv52wHighPct":83.71,"iv52wLowPct":49.56,"frontDte":14,"frontAtmIvPct":19.4029,"backAtmIvPct":21.1246,"termPremiumPp":-1.7217,"expectedMoveFrontPct":3.8,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":-1.36,"riskReversal30dPp":-1.36,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.892,"putCallOiFrontRatio":0.699,"putCallVolumeFrontRatio":8,"optionVolume":13,"volumeOiRatio":0.007166,"netDeltaNormalized":-0.066888,"dealerDeltaNormalized":0.066593,"gexPer100kOi":45378.169791,"vannaPer100kOi":2039.69129,"charmPer100kOi":-1683682.46968,"weekendDeltaShiftPer100kOi":-5050992.282249,"ivSurfaceRangePp":170.4,"gammaFlipDistancePct":29.576195,"maxPainDistancePct":5.19988,"peakCallDistancePct":-2.314397,"peakPutDistancePct":-2.314397},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/UDR.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."}