{"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/HPP","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/HPP.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/HPP.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":"HPP","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":11.479999542236328,"previous_close":11.420000076293945,"delta_neutral":11.166418328107927,"gamma_neutral":11.407880760082218,"gamma_max":13.565522618517944,"total_open_interest":12147,"previous_open_interest":12199,"listed_contracts":57,"listed_calls":44,"listed_puts":32,"gamma_max_distance_pct":18.166578043916466,"delta_neutral_distance_pct":-2.731543785996659,"gamma_neutral_distance_pct":-0.6282124131519012,"open_interest_change_1d_pct":-0.426264447905566,"call_open_interest":3152,"put_open_interest":8995,"put_call_open_interest_ratio":2.853743654822335,"nearest_expiration_max_pain":12.5,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":8.885021763380434,"all_expiration_max_pain":12.5,"net_gamma_exposure":4189.72420950827,"net_gamma_exposure_per_100k_open_interest":34491.84333175492,"gamma_exposure_flip":11.407880760082218,"gamma_exposure_flip_distance_pct":-0.6282124131519012,"call_wall":12.5,"call_wall_distance_pct":8.885021763380434,"put_wall":10,"put_wall_distance_pct":-12.891982589295653,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":"above","open_interest_rank":1941},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.8333,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"HPP","price":11.48,"totalOi":12147,"analysisCoverage":0.8333,"avgIvPct":151.6,"ivRank":95.3,"iv52wHighPct":154.4,"iv52wLowPct":95.4,"frontDte":null,"frontAtmIvPct":null,"backAtmIvPct":null,"termPremiumPp":null,"expectedMoveFrontPct":null,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":-66.14,"riskReversal30dPp":-66.14,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":2.854,"putCallOiFrontRatio":0.847,"putCallVolumeFrontRatio":0,"optionVolume":136,"volumeOiRatio":0.011196,"netDeltaNormalized":0.000021,"dealerDeltaNormalized":-0.000014,"gexPer100kOi":-22968.469581,"vannaPer100kOi":5375.812958,"charmPer100kOi":-740857.824977,"weekendDeltaShiftPer100kOi":-2222581.707417,"ivSurfaceRangePp":58.2,"gammaFlipDistancePct":null,"maxPainDistancePct":8.885017,"peakCallDistancePct":30.662021,"peakPutDistancePct":8.885017},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/HPP.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."}