{"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/GPC","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/GPC.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/GPC.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":"GPC","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":133.9600067138672,"previous_close":133.50999450683594,"delta_neutral":112.21362505061009,"gamma_neutral":95.97917611458084,"gamma_max":136.82188026960614,"total_open_interest":8555,"previous_open_interest":12660,"listed_contracts":177,"listed_calls":115,"listed_puts":87,"gamma_max_distance_pct":2.1363641477353696,"delta_neutral_distance_pct":-16.23348803625132,"gamma_neutral_distance_pct":-28.352365404408925,"open_interest_change_1d_pct":-32.42496050552923,"call_open_interest":6664,"put_open_interest":1891,"put_call_open_interest_ratio":0.2837635054021609,"nearest_expiration_max_pain":120,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":-10.42102568991741,"all_expiration_max_pain":115,"net_gamma_exposure":1228487.9847084056,"net_gamma_exposure_per_100k_open_interest":14359882.930548284,"gamma_exposure_flip":95.97917611458084,"gamma_exposure_flip_distance_pct":-28.352365404408925,"call_wall":140,"call_wall_distance_pct":4.508803361763021,"put_wall":125,"put_wall_distance_pct":-6.688568426997303,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2082},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":133.96,"totalOi":12708,"analysisCoverage":1,"avgIvPct":199.9,"ivRank":100,"iv52wHighPct":199.9,"iv52wLowPct":41.8,"frontDte":35,"termPremiumPp":1.6144,"riskReversalFrontPp":-0.88,"riskReversal30dPp":-0.88,"butterflyFrontPp":-0.78,"butterfly30dPp":-0.78,"putCallOiRatio":0.241,"putCallOiFrontRatio":0.267,"putCallVolumeFrontRatio":0.017,"optionVolume":1214,"volumeOiRatio":0.09553,"netDeltaNormalized":0.326235,"dealerDeltaNormalized":-0.301797,"gexPer100kOi":22413021.40384,"vannaPer100kOi":1164.620711,"charmPer100kOi":-595947.434687,"weekendDeltaShiftPer100kOi":-1787850.173119,"ivSurfaceRangePp":100.1,"gammaFlipDistancePct":-14.243058,"maxPainDistancePct":-10.421021,"peakCallDistancePct":0.776351,"peakPutDistancePct":-2.956106},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/GPC.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."}