{"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/ZWS","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/ZWS.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/ZWS.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":"ZWS","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":47.66999816894531,"previous_close":47.20000076293945,"delta_neutral":38.887613440651165,"gamma_neutral":28.589924115908865,"gamma_max":48.20734212859284,"total_open_interest":420,"previous_open_interest":417,"listed_contracts":38,"listed_calls":24,"listed_puts":15,"gamma_max_distance_pct":1.1272162372298618,"delta_neutral_distance_pct":-18.42329571142179,"gamma_neutral_distance_pct":-40.025329947392756,"open_interest_change_1d_pct":0.7194244604316548,"call_open_interest":366,"put_open_interest":54,"put_call_open_interest_ratio":0.14754098360655737,"nearest_expiration_max_pain":47.5,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-0.35661459088550596,"all_expiration_max_pain":45,"net_gamma_exposure":80730.92411668225,"net_gamma_exposure_per_100k_open_interest":19221648.599210057,"gamma_exposure_flip":28.589924115908865,"gamma_exposure_flip_distance_pct":-40.025329947392756,"call_wall":47.5,"call_wall_distance_pct":-0.35661459088550596,"put_wall":47.5,"put_wall_distance_pct":-0.35661459088550596,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":4157},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.7778,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"ZWS","price":47.67,"totalOi":420,"analysisCoverage":0.7778,"avgIvPct":44,"ivRank":1.7,"iv52wHighPct":90.07,"iv52wLowPct":43.18,"frontDte":14,"frontAtmIvPct":31.0957,"backAtmIvPct":27.4293,"termPremiumPp":3.6664,"expectedMoveFrontPct":6.09,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.148,"putCallOiFrontRatio":0.5,"putCallVolumeFrontRatio":0,"optionVolume":3,"volumeOiRatio":0.007143,"netDeltaNormalized":0.368976,"dealerDeltaNormalized":-0.369,"gexPer100kOi":9753290.47619,"vannaPer100kOi":-952.380952,"charmPer100kOi":-325000,"weekendDeltaShiftPer100kOi":-974761.904762,"ivSurfaceRangePp":57.8,"gammaFlipDistancePct":-10.195091,"maxPainDistancePct":-5.601007,"peakCallDistancePct":10.132159,"peakPutDistancePct":null},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/ZWS.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."}