{"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/ACIU","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/ACIU.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/ACIU.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":"ACIU","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":2.7249999046325684,"previous_close":2.809999942779541,"delta_neutral":null,"gamma_neutral":null,"gamma_max":null,"total_open_interest":4584,"previous_open_interest":4504,"listed_contracts":12,"listed_calls":9,"listed_puts":3,"gamma_max_distance_pct":null,"delta_neutral_distance_pct":null,"gamma_neutral_distance_pct":null,"open_interest_change_1d_pct":1.7761989342806392,"call_open_interest":3388,"put_open_interest":1196,"put_call_open_interest_ratio":0.3530106257378985,"nearest_expiration_max_pain":2.5,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-8.256877523190473,"all_expiration_max_pain":2.5,"net_gamma_exposure":90494.91877382841,"net_gamma_exposure_per_100k_open_interest":1974147.4427100439,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":5,"call_wall_distance_pct":83.48624495361905,"put_wall":2.5,"put_wall_distance_pct":-8.256877523190473,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2629},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.8333,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"ACIU","price":2.72,"totalOi":4584,"analysisCoverage":0.8333,"avgIvPct":209.5,"ivRank":26.8,"iv52wHighPct":493.3,"iv52wLowPct":105.72,"frontDte":null,"frontAtmIvPct":null,"backAtmIvPct":null,"termPremiumPp":null,"expectedMoveFrontPct":null,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":-76.67,"riskReversal30dPp":-76.67,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.353,"putCallOiFrontRatio":0,"putCallVolumeFrontRatio":0,"optionVolume":210,"volumeOiRatio":0.045812,"netDeltaNormalized":0.140593,"dealerDeltaNormalized":-0.140596,"gexPer100kOi":71856.020942,"vannaPer100kOi":2923.211169,"charmPer100kOi":-86561.954625,"weekendDeltaShiftPer100kOi":-259664.048866,"ivSurfaceRangePp":39.9,"gammaFlipDistancePct":null,"maxPainDistancePct":-8.088235,"peakCallDistancePct":83.823529,"peakPutDistancePct":null},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/ACIU.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."}