{"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/MKSI","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/MKSI.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/MKSI.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":"MKSI","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":214.8300018310547,"previous_close":228.52000427246094,"delta_neutral":227.91329407836815,"gamma_neutral":174.20725593956138,"gamma_max":290.2313498012494,"total_open_interest":11792,"previous_open_interest":18981,"listed_contracts":374,"listed_calls":261,"listed_puts":152,"gamma_max_distance_pct":35.09814612834728,"delta_neutral_distance_pct":6.090067558442023,"gamma_neutral_distance_pct":-18.909251754994447,"open_interest_change_1d_pct":-37.87471682208524,"call_open_interest":7924,"put_open_interest":3868,"put_call_open_interest_ratio":0.48813730439172137,"nearest_expiration_max_pain":240,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":11.716239796310829,"all_expiration_max_pain":240,"net_gamma_exposure":161554.11935110207,"net_gamma_exposure_per_100k_open_interest":1370031.5413085318,"gamma_exposure_flip":174.20725593956138,"gamma_exposure_flip_distance_pct":-18.909251754994447,"call_wall":240,"call_wall_distance_pct":11.716239796310829,"put_wall":240,"put_wall_distance_pct":11.716239796310829,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":1840},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":214.83,"totalOi":19810,"analysisCoverage":1,"avgIvPct":356,"ivRank":100,"iv52wHighPct":356,"iv52wLowPct":65.2,"frontDte":35,"termPremiumPp":3.373,"riskReversalFrontPp":2.22,"riskReversal30dPp":2.22,"butterflyFrontPp":-0.66,"butterfly30dPp":-0.66,"putCallOiRatio":0.446,"putCallOiFrontRatio":0.709,"putCallVolumeFrontRatio":2.809,"optionVolume":1408,"volumeOiRatio":0.071075,"netDeltaNormalized":-0.084899,"dealerDeltaNormalized":0.082075,"gexPer100kOi":-5289569.964664,"vannaPer100kOi":1095.40636,"charmPer100kOi":370247.349823,"weekendDeltaShiftPer100kOi":1110737.001514,"ivSurfaceRangePp":12.5,"gammaFlipDistancePct":null,"maxPainDistancePct":11.716241,"peakCallDistancePct":2.406554,"peakPutDistancePct":-9.230554},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/MKSI.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."}