{"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/ARCT","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/ARCT.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/ARCT.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":"ARCT","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":10.34000015258789,"previous_close":11.270000457763672,"delta_neutral":11.023473776819953,"gamma_neutral":7.00065819559117,"gamma_max":15.084028261754709,"total_open_interest":3048,"previous_open_interest":9472,"listed_contracts":40,"listed_calls":29,"listed_puts":18,"gamma_max_distance_pct":45.880348541189186,"delta_neutral_distance_pct":6.609996268336643,"gamma_neutral_distance_pct":-32.29537628353856,"open_interest_change_1d_pct":-67.82094594594594,"call_open_interest":1861,"put_open_interest":1187,"put_call_open_interest_ratio":0.6378291241268136,"nearest_expiration_max_pain":15,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":45.067696118416464,"all_expiration_max_pain":12.5,"net_gamma_exposure":22074.827427439253,"net_gamma_exposure_per_100k_open_interest":724239.7449947261,"gamma_exposure_flip":7.00065819559117,"gamma_exposure_flip_distance_pct":-32.29537628353856,"call_wall":15,"call_wall_distance_pct":45.067696118416464,"put_wall":12.5,"put_wall_distance_pct":20.889746765347052,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2791},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":0.9444,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":10.34,"totalOi":9523,"analysisCoverage":0.9444,"avgIvPct":1034.5,"ivRank":100,"iv52wHighPct":1034.5,"iv52wLowPct":92.4,"frontDte":35,"termPremiumPp":7.6091,"riskReversalFrontPp":-39.82,"riskReversal30dPp":-39.82,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.951,"putCallOiFrontRatio":0.702,"putCallVolumeFrontRatio":1.667,"optionVolume":755,"volumeOiRatio":0.079282,"netDeltaNormalized":-0.143777,"dealerDeltaNormalized":0.143777,"gexPer100kOi":-787015.436312,"vannaPer100kOi":588.049984,"charmPer100kOi":1428.12139,"weekendDeltaShiftPer100kOi":4273.863278,"ivSurfaceRangePp":13.1,"gammaFlipDistancePct":null,"maxPainDistancePct":20.889749,"peakCallDistancePct":45.067698,"peakPutDistancePct":20.889749},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/ARCT.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."}