{"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/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=2026-10-16&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":"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":34.2599983215332,"previous_close":34.209999084472656,"delta_neutral":34.12640296800523,"gamma_neutral":34.22424959784624,"gamma_max":37.811461587119055,"total_open_interest":1011,"previous_open_interest":1905,"listed_contracts":37,"listed_calls":18,"listed_puts":20,"gamma_max_distance_pct":10.366209689373147,"delta_neutral_distance_pct":-0.3899455927410394,"gamma_neutral_distance_pct":-0.10434537489307338,"open_interest_change_1d_pct":-46.92913385826772,"call_open_interest":472,"put_open_interest":539,"put_call_open_interest_ratio":1.1419491525423728,"nearest_expiration_max_pain":35,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":2.1599583033303555,"all_expiration_max_pain":35,"net_gamma_exposure":753.4517443165887,"net_gamma_exposure_per_100k_open_interest":74525.395085716,"gamma_exposure_flip":34.22424959784624,"gamma_exposure_flip_distance_pct":-0.10434537489307338,"call_wall":35,"call_wall_distance_pct":2.1599583033303555,"put_wall":32.5,"put_wall_distance_pct":-5.137181575478956,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":"above","open_interest_rank":3542},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":0.9444,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":34.26,"totalOi":1875,"analysisCoverage":0.9444,"avgIvPct":734,"ivRank":100,"iv52wHighPct":734,"iv52wLowPct":49.56,"frontDte":35,"termPremiumPp":0,"riskReversalFrontPp":-2.95,"riskReversal30dPp":-2.95,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.864,"putCallOiFrontRatio":1.145,"putCallVolumeFrontRatio":0,"optionVolume":14,"volumeOiRatio":0.007467,"netDeltaNormalized":-0.023973,"dealerDeltaNormalized":0.023717,"gexPer100kOi":1323668.266667,"vannaPer100kOi":1066.666667,"charmPer100kOi":-102560,"weekendDeltaShiftPer100kOi":-307680,"ivSurfaceRangePp":87,"gammaFlipDistancePct":0.262697,"maxPainDistancePct":2.159953,"peakCallDistancePct":-19.731465,"peakPutDistancePct":null},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/UDR.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."}