{"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/DEM","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/DEM.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/DEM.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":"DEM","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":55.41999816894531,"previous_close":54.900001525878906,"delta_neutral":53.66114331247802,"gamma_neutral":55.41999816894531,"gamma_max":61.84656825430819,"total_open_interest":519,"previous_open_interest":497,"listed_contracts":41,"listed_calls":20,"listed_puts":21,"gamma_max_distance_pct":11.596121071263433,"delta_neutral_distance_pct":-3.173682631864236,"gamma_neutral_distance_pct":0,"open_interest_change_1d_pct":4.426559356136821,"call_open_interest":434,"put_open_interest":85,"put_call_open_interest_ratio":0.195852534562212,"nearest_expiration_max_pain":54,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-2.5622486753184535,"all_expiration_max_pain":55,"net_gamma_exposure":62733.492312890296,"net_gamma_exposure_per_100k_open_interest":12087378.09496923,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":64,"call_wall_distance_pct":15.481779347770722,"put_wall":56,"put_wall_distance_pct":1.0465569292993815,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":4048},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.8333,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"DEM","price":55.42,"totalOi":519,"analysisCoverage":0.8333,"avgIvPct":23.2,"ivRank":10.7,"iv52wHighPct":45.73,"iv52wLowPct":20.5,"frontDte":14,"frontAtmIvPct":25.479,"backAtmIvPct":15.748,"termPremiumPp":9.731,"expectedMoveFrontPct":4.99,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.196,"putCallOiFrontRatio":0.014,"putCallVolumeFrontRatio":0,"optionVolume":0,"volumeOiRatio":0,"netDeltaNormalized":0.079922,"dealerDeltaNormalized":-0.079441,"gexPer100kOi":7101522.157996,"vannaPer100kOi":1156.069364,"charmPer100kOi":-283815.028902,"weekendDeltaShiftPer100kOi":-851637.764933,"ivSurfaceRangePp":36.9,"gammaFlipDistancePct":6.58607,"maxPainDistancePct":-0.757849,"peakCallDistancePct":null,"peakPutDistancePct":null},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/DEM.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."}