{"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/ADP","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/ADP.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/ADP.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":"ADP","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":288.8999938964844,"previous_close":285.6499938964844,"delta_neutral":260.76814391066455,"gamma_neutral":256.395313264023,"gamma_max":297.49220318855146,"total_open_interest":39453,"previous_open_interest":43758,"listed_contracts":543,"listed_calls":324,"listed_puts":319,"gamma_max_distance_pct":2.9741119673217273,"delta_neutral_distance_pct":-9.737573755678145,"gamma_neutral_distance_pct":-11.251187718649835,"open_interest_change_1d_pct":-9.838201014671604,"call_open_interest":19153,"put_open_interest":20300,"put_call_open_interest_ratio":1.0598861797107502,"nearest_expiration_max_pain":275,"nearest_expiration_max_pain_expiry":"2026-10-23","nearest_expiration_max_pain_distance_pct":-4.811351398458276,"all_expiration_max_pain":255,"net_gamma_exposure":2950242.4982201406,"net_gamma_exposure_per_100k_open_interest":7477866.063975212,"gamma_exposure_flip":256.395313264023,"gamma_exposure_flip_distance_pct":-11.251187718649835,"call_wall":300,"call_wall_distance_pct":3.84216211077279,"put_wall":250,"put_wall_distance_pct":-13.464864907689341,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1062},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":288.9,"totalOi":44133,"analysisCoverage":1,"avgIvPct":77.4,"ivRank":77.9,"iv52wHighPct":88.9,"iv52wLowPct":36.9,"frontDte":7,"termPremiumPp":0.0722,"riskReversalFrontPp":5.26,"riskReversal30dPp":1.24,"butterflyFrontPp":1.22,"butterfly30dPp":4.25,"putCallOiRatio":1.036,"putCallOiFrontRatio":0.823,"putCallVolumeFrontRatio":0.855,"optionVolume":1465,"volumeOiRatio":0.033195,"netDeltaNormalized":0.177681,"dealerDeltaNormalized":-0.166939,"gexPer100kOi":30741729.318197,"vannaPer100kOi":1910.135273,"charmPer100kOi":-1106503.070265,"weekendDeltaShiftPer100kOi":-3319509.210795,"ivSurfaceRangePp":94,"gammaFlipDistancePct":-0.24576,"maxPainDistancePct":-10.003461,"peakCallDistancePct":0.380755,"peakPutDistancePct":-27.310488},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/ADP.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."}