{"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/GPOR","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/GPOR.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/GPOR.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":"GPOR","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":166,"previous_close":163.75,"delta_neutral":156.6445430312915,"gamma_neutral":127.06931904184982,"gamma_max":171.31285218472675,"total_open_interest":783,"previous_open_interest":2068,"listed_contracts":75,"listed_calls":40,"listed_puts":36,"gamma_max_distance_pct":3.2005133642932235,"delta_neutral_distance_pct":-5.635817451029214,"gamma_neutral_distance_pct":-23.45221744466878,"open_interest_change_1d_pct":-62.13733075435203,"call_open_interest":593,"put_open_interest":190,"put_call_open_interest_ratio":0.32040472175379425,"nearest_expiration_max_pain":150,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":-9.63855421686747,"all_expiration_max_pain":165,"net_gamma_exposure":116861.42345916532,"net_gamma_exposure_per_100k_open_interest":14924830.582268879,"gamma_exposure_flip":127.06931904184982,"gamma_exposure_flip_distance_pct":-23.45221744466878,"call_wall":165,"call_wall_distance_pct":-0.6024096385542169,"put_wall":195,"put_wall_distance_pct":17.46987951807229,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":3686},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":0.8889,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":166,"totalOi":1966,"analysisCoverage":0.8889,"avgIvPct":671,"ivRank":100,"iv52wHighPct":671,"iv52wLowPct":48.1,"frontDte":35,"termPremiumPp":3.2447,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.487,"putCallOiFrontRatio":0.021,"putCallVolumeFrontRatio":0,"optionVolume":39,"volumeOiRatio":0.019837,"netDeltaNormalized":0.238516,"dealerDeltaNormalized":-0.221531,"gexPer100kOi":30627377.92472,"vannaPer100kOi":101.7294,"charmPer100kOi":-646083.418108,"weekendDeltaShiftPer100kOi":-1938301.119023,"ivSurfaceRangePp":7.5,"gammaFlipDistancePct":-8.861446,"maxPainDistancePct":-6.626506,"peakCallDistancePct":14.457831,"peakPutDistancePct":2.409639},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/GPOR.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."}