{"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/GPN","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/GPN.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/GPN.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":"GPN","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":78.37999725341797,"previous_close":80.29000091552734,"delta_neutral":71.85188171961008,"gamma_neutral":63.108228516909286,"gamma_max":83.36815443300543,"total_open_interest":81050,"previous_open_interest":80237,"listed_contracts":350,"listed_calls":201,"listed_puts":175,"gamma_max_distance_pct":6.364069092092165,"delta_neutral_distance_pct":-8.328802963211658,"gamma_neutral_distance_pct":-19.484268016917692,"open_interest_change_1d_pct":1.013248252053292,"call_open_interest":59281,"put_open_interest":21769,"put_call_open_interest_ratio":0.36721715220728396,"nearest_expiration_max_pain":80,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":2.0668573658458333,"all_expiration_max_pain":80,"net_gamma_exposure":5288584.409037122,"net_gamma_exposure_per_100k_open_interest":6525088.721822482,"gamma_exposure_flip":63.108228516909286,"gamma_exposure_flip_distance_pct":-19.484268016917692,"call_wall":100,"call_wall_distance_pct":27.583571707307293,"put_wall":85,"put_wall_distance_pct":8.446035951211197,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":740},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"GPN","price":78.38,"totalOi":81050,"analysisCoverage":1,"avgIvPct":55.4,"ivRank":53.3,"iv52wHighPct":61.35,"iv52wLowPct":48.6,"frontDte":14,"frontAtmIvPct":39.5206,"backAtmIvPct":44.8967,"termPremiumPp":-5.3761,"expectedMoveFrontPct":7.74,"straddleFrontPct":5.84,"straddle30dPct":5.84,"riskReversalFrontPp":0.19,"riskReversal30dPp":0.19,"butterflyFrontPp":8.35,"butterfly30dPp":8.35,"putCallOiRatio":0.367,"putCallOiFrontRatio":0.53,"putCallVolumeFrontRatio":5.143,"optionVolume":2309,"volumeOiRatio":0.028489,"netDeltaNormalized":0.119703,"dealerDeltaNormalized":-0.119703,"gexPer100kOi":5178474.497224,"vannaPer100kOi":4579.888957,"charmPer100kOi":-538299.814929,"weekendDeltaShiftPer100kOi":-1614899.444787,"ivSurfaceRangePp":90.5,"gammaFlipDistancePct":0.791018,"maxPainDistancePct":2.066854,"peakCallDistancePct":27.583567,"peakPutDistancePct":8.446032},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/GPN.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."}