{"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/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=2026-10-02","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":64.25,"previous_close":64.62999725341797,"delta_neutral":64.34195029392072,"gamma_neutral":51.437472393289326,"gamma_max":83.84600751050439,"total_open_interest":26030,"previous_open_interest":26006,"listed_contracts":124,"listed_calls":85,"listed_puts":56,"gamma_max_distance_pct":30.499622584442637,"delta_neutral_distance_pct":0.1431132979310782,"gamma_neutral_distance_pct":-19.94167720888821,"open_interest_change_1d_pct":0.09228639544720449,"call_open_interest":17864,"put_open_interest":8166,"put_call_open_interest_ratio":0.4571204657411554,"nearest_expiration_max_pain":75,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":16.731517509727624,"all_expiration_max_pain":70,"net_gamma_exposure":829787.9407225441,"net_gamma_exposure_per_100k_open_interest":3187813.8329717405,"gamma_exposure_flip":51.437472393289326,"gamma_exposure_flip_distance_pct":-19.94167720888821,"call_wall":80,"call_wall_distance_pct":24.5136186770428,"put_wall":65,"put_wall_distance_pct":1.1673151750972763,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":"below","open_interest_rank":1382},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"VIST","price":64.25,"totalOi":26030,"analysisCoverage":1,"avgIvPct":56,"ivRank":3.7,"iv52wHighPct":82.1,"iv52wLowPct":55,"frontDte":14,"frontAtmIvPct":44.4224,"backAtmIvPct":47.4895,"termPremiumPp":-3.0671,"expectedMoveFrontPct":8.7,"straddleFrontPct":6.77,"straddle30dPct":6.77,"riskReversalFrontPp":-3.89,"riskReversal30dPp":-3.89,"butterflyFrontPp":-2.29,"butterfly30dPp":-2.29,"putCallOiRatio":0.457,"putCallOiFrontRatio":1.692,"putCallVolumeFrontRatio":1.227,"optionVolume":1705,"volumeOiRatio":0.065501,"netDeltaNormalized":0.008549,"dealerDeltaNormalized":-0.008536,"gexPer100kOi":2000368.805225,"vannaPer100kOi":3092.585478,"charmPer100kOi":372393.39224,"weekendDeltaShiftPer100kOi":1117180.176719,"ivSurfaceRangePp":55.6,"gammaFlipDistancePct":-52.949416,"maxPainDistancePct":8.949416,"peakCallDistancePct":8.949416,"peakPutDistancePct":1.167315},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/VIST.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."}