{"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/ACA","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/ACA.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/ACA.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":"ACA","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":147.05999755859375,"previous_close":147.00999450683594,"delta_neutral":131.69414447379896,"gamma_neutral":123.96481689797704,"gamma_max":148.49719810793192,"total_open_interest":1270,"previous_open_interest":1295,"listed_contracts":65,"listed_calls":34,"listed_puts":35,"gamma_max_distance_pct":0.9772885714659026,"delta_neutral_distance_pct":-10.448696681551697,"gamma_neutral_distance_pct":-15.704597473160431,"open_interest_change_1d_pct":-1.9305019305019304,"call_open_interest":734,"put_open_interest":536,"put_call_open_interest_ratio":0.7302452316076294,"nearest_expiration_max_pain":140,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":-4.800760013463759,"all_expiration_max_pain":140,"net_gamma_exposure":317946.0298925048,"net_gamma_exposure_per_100k_open_interest":25035120.463976756,"gamma_exposure_flip":123.96481689797704,"gamma_exposure_flip_distance_pct":-15.704597473160431,"call_wall":150,"call_wall_distance_pct":1.9991856998602575,"put_wall":145,"put_wall_distance_pct":-1.4007871568017511,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":3372},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":0.8889,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":147.06,"totalOi":1291,"analysisCoverage":0.8889,"avgIvPct":103,"ivRank":100,"iv52wHighPct":103,"iv52wLowPct":41.6,"frontDte":35,"termPremiumPp":-2.0288,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.726,"putCallOiFrontRatio":0.144,"putCallVolumeFrontRatio":0,"optionVolume":1,"volumeOiRatio":0.000775,"netDeltaNormalized":0.26381,"dealerDeltaNormalized":-0.254214,"gexPer100kOi":40521714.175058,"vannaPer100kOi":77.459334,"charmPer100kOi":-2473508.907823,"weekendDeltaShiftPer100kOi":-7420526.72347,"ivSurfaceRangePp":96.6,"gammaFlipDistancePct":-3.644771,"maxPainDistancePct":-4.800762,"peakCallDistancePct":1.999184,"peakPutDistancePct":null},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/ACA.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."}