{"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/VIVO","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/VIVO.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/VIVO.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":"VIVO","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":3.36,"previous_close":null,"delta_neutral":null,"gamma_neutral":null,"gamma_max":null,"total_open_interest":31700,"previous_open_interest":null,"listed_contracts":null,"listed_calls":null,"listed_puts":null,"gamma_max_distance_pct":null,"delta_neutral_distance_pct":null,"gamma_neutral_distance_pct":null,"open_interest_change_1d_pct":null,"call_open_interest":null,"put_open_interest":null,"put_call_open_interest_ratio":0.188,"nearest_expiration_max_pain":null,"nearest_expiration_max_pain_expiry":null,"nearest_expiration_max_pain_distance_pct":null,"all_expiration_max_pain":null,"net_gamma_exposure":null,"net_gamma_exposure_per_100k_open_interest":102532.208202,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":null,"call_wall_distance_pct":null,"put_wall":null,"put_wall_distance_pct":null,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1251},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.7778,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"VIVO","price":3.36,"totalOi":31700,"analysisCoverage":0.7778,"avgIvPct":233.4,"ivRank":100,"iv52wHighPct":233.4,"iv52wLowPct":151.23,"frontDte":null,"frontAtmIvPct":null,"backAtmIvPct":null,"termPremiumPp":null,"expectedMoveFrontPct":null,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":-14.42,"riskReversal30dPp":-14.42,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.188,"putCallOiFrontRatio":0.086,"putCallVolumeFrontRatio":0.061,"optionVolume":482,"volumeOiRatio":0.015205,"netDeltaNormalized":0.195434,"dealerDeltaNormalized":-0.195434,"gexPer100kOi":102532.208202,"vannaPer100kOi":3082.018927,"charmPer100kOi":-378851.735016,"weekendDeltaShiftPer100kOi":-1136558.359621,"ivSurfaceRangePp":5.6,"gammaFlipDistancePct":-19.642857,"maxPainDistancePct":48.809524,"peakCallDistancePct":48.809524,"peakPutDistancePct":-25.595238},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/VIVO.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."}