{"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/VIST","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/VIST.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/VIST.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":"VIST","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":71.94999694824219,"previous_close":69.98999786376953,"delta_neutral":60.385011276118405,"gamma_neutral":53.791023884510494,"gamma_max":77.82708359549746,"total_open_interest":24187,"previous_open_interest":28545,"listed_contracts":115,"listed_calls":85,"listed_puts":53,"gamma_max_distance_pct":8.168293115402072,"delta_neutral_distance_pct":-16.073643033568366,"gamma_neutral_distance_pct":-25.2383236052039,"open_interest_change_1d_pct":-15.267122087931337,"call_open_interest":18270,"put_open_interest":5917,"put_call_open_interest_ratio":0.323864258347017,"nearest_expiration_max_pain":60,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":-16.60875254357344,"all_expiration_max_pain":65,"net_gamma_exposure":2216662.9189527296,"net_gamma_exposure_per_100k_open_interest":9164687.30703572,"gamma_exposure_flip":53.791023884510494,"gamma_exposure_flip_distance_pct":-25.2383236052039,"call_wall":85,"call_wall_distance_pct":18.137600563270958,"put_wall":65,"put_wall_distance_pct":-9.659481922204561,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1348},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":71.95,"totalOi":26533,"analysisCoverage":1,"avgIvPct":191.3,"ivRank":95,"iv52wHighPct":198.5,"iv52wLowPct":55,"frontDte":35,"termPremiumPp":4.4052,"riskReversalFrontPp":1.09,"riskReversal30dPp":1.09,"butterflyFrontPp":-1.2,"butterfly30dPp":-1.2,"putCallOiRatio":0.33,"putCallOiFrontRatio":0.226,"putCallVolumeFrontRatio":0.343,"optionVolume":541,"volumeOiRatio":0.02039,"netDeltaNormalized":0.234236,"dealerDeltaNormalized":-0.22901,"gexPer100kOi":7008246.410131,"vannaPer100kOi":2713.60193,"charmPer100kOi":-582542.494252,"weekendDeltaShiftPer100kOi":-1747623.713866,"ivSurfaceRangePp":15.8,"gammaFlipDistancePct":-55.872133,"maxPainDistancePct":-9.659486,"peakCallDistancePct":-2.710215,"peakPutDistancePct":4.239055},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/VIST.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."}