{"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/MWH","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/MWH.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/MWH.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":"MWH","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":23.959999084472656,"previous_close":23.940000534057617,"delta_neutral":18.96780431980799,"gamma_neutral":3.7240572422191502,"gamma_max":23.90944796405619,"total_open_interest":6290,"previous_open_interest":7041,"listed_contracts":36,"listed_calls":22,"listed_puts":18,"gamma_max_distance_pct":-0.21098131197018538,"delta_neutral_distance_pct":-20.835538211267597,"gamma_neutral_distance_pct":-84.45718954708752,"open_interest_change_1d_pct":-10.666098565544667,"call_open_interest":5036,"put_open_interest":1254,"put_call_open_interest_ratio":0.2490071485305798,"nearest_expiration_max_pain":25,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":4.340571599609615,"all_expiration_max_pain":25,"net_gamma_exposure":477673.9961533313,"net_gamma_exposure_per_100k_open_interest":7594181.178908288,"gamma_exposure_flip":3.7240572422191502,"gamma_exposure_flip_distance_pct":-84.45718954708752,"call_wall":25,"call_wall_distance_pct":4.340571599609615,"put_wall":25,"put_wall_distance_pct":4.340571599609615,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2299},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":23.96,"totalOi":7056,"analysisCoverage":1,"avgIvPct":624.3,"ivRank":100,"iv52wHighPct":624.3,"iv52wLowPct":70.48,"frontDte":35,"termPremiumPp":0,"riskReversalFrontPp":-0.56,"riskReversal30dPp":-0.56,"butterflyFrontPp":8.57,"butterfly30dPp":8.57,"putCallOiRatio":0.331,"putCallOiFrontRatio":0.08,"putCallVolumeFrontRatio":0.164,"optionVolume":447,"volumeOiRatio":0.06335,"netDeltaNormalized":0.172647,"dealerDeltaNormalized":-0.17238,"gexPer100kOi":1625204.081633,"vannaPer100kOi":1332.199546,"charmPer100kOi":-313520.408163,"weekendDeltaShiftPer100kOi":-940575.396825,"ivSurfaceRangePp":9.1,"gammaFlipDistancePct":-43.69783,"maxPainDistancePct":4.340568,"peakCallDistancePct":4.340568,"peakPutDistancePct":-6.093489},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/MWH.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."}