{"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/HDB","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/HDB.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/HDB.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":"HDB","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":22.34000015258789,"previous_close":22.950000762939453,"delta_neutral":21.943475880178248,"gamma_neutral":22.34000015258789,"gamma_max":25.07546357025863,"total_open_interest":36747,"previous_open_interest":36764,"listed_contracts":43,"listed_calls":32,"listed_puts":18,"gamma_max_distance_pct":12.244688446673358,"delta_neutral_distance_pct":-1.7749519682241761,"gamma_neutral_distance_pct":0,"open_interest_change_1d_pct":-0.04624088782504624,"call_open_interest":27646,"put_open_interest":9101,"put_call_open_interest_ratio":0.3291977139550025,"nearest_expiration_max_pain":22.5,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":0.7162034302563548,"all_expiration_max_pain":22.5,"net_gamma_exposure":1270754.6057885713,"net_gamma_exposure_per_100k_open_interest":3458117.9573531747,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":25,"call_wall_distance_pct":11.906892700284839,"put_wall":22.5,"put_wall_distance_pct":0.7162034302563548,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1169},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.9444,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"HDB","price":22.34,"totalOi":36747,"analysisCoverage":0.9444,"avgIvPct":67,"ivRank":46.6,"iv52wHighPct":86,"iv52wLowPct":50.44,"frontDte":14,"frontAtmIvPct":29.5128,"backAtmIvPct":33.2427,"termPremiumPp":-3.7299,"expectedMoveFrontPct":5.78,"straddleFrontPct":4.48,"straddle30dPct":4.48,"riskReversalFrontPp":-114.75,"riskReversal30dPp":-114.75,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.329,"putCallOiFrontRatio":0.219,"putCallVolumeFrontRatio":1.059,"optionVolume":603,"volumeOiRatio":0.01641,"netDeltaNormalized":0.036857,"dealerDeltaNormalized":-0.036857,"gexPer100kOi":841229.243204,"vannaPer100kOi":990.557052,"charmPer100kOi":-57601.981114,"weekendDeltaShiftPer100kOi":-172808.664653,"ivSurfaceRangePp":91.1,"gammaFlipDistancePct":7.47538,"maxPainDistancePct":0.716204,"peakCallDistancePct":11.906893,"peakPutDistancePct":0.716204},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/HDB.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."}