{"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/MRSH","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/MRSH.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/MRSH.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":"MRSH","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":188.35000610351562,"previous_close":186.3800048828125,"delta_neutral":170.58879603147543,"gamma_neutral":163.8811411381949,"gamma_max":193.6202140180515,"total_open_interest":6798,"previous_open_interest":18009,"listed_contracts":168,"listed_calls":101,"listed_puts":93,"gamma_max_distance_pct":2.798092776083811,"delta_neutral_distance_pct":-9.429896202009564,"gamma_neutral_distance_pct":-12.991167598833442,"open_interest_change_1d_pct":-62.25220722971847,"call_open_interest":4233,"put_open_interest":2565,"put_call_open_interest_ratio":0.6059532246633593,"nearest_expiration_max_pain":175,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":-7.087871341070502,"all_expiration_max_pain":175,"net_gamma_exposure":705459.3657536701,"net_gamma_exposure_per_100k_open_interest":10377454.630092235,"gamma_exposure_flip":163.8811411381949,"gamma_exposure_flip_distance_pct":-12.991167598833442,"call_wall":185,"call_wall_distance_pct":-1.7786068462745306,"put_wall":180,"put_wall_distance_pct":-4.433239093672516,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2241},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":188.35,"totalOi":17743,"analysisCoverage":1,"avgIvPct":219.3,"ivRank":100,"iv52wHighPct":219.3,"iv52wLowPct":31.9,"frontDte":35,"termPremiumPp":1.6476,"riskReversalFrontPp":7,"riskReversal30dPp":7,"butterflyFrontPp":-1.58,"butterfly30dPp":-1.58,"putCallOiRatio":1.115,"putCallOiFrontRatio":0.449,"putCallVolumeFrontRatio":6.331,"optionVolume":4691,"volumeOiRatio":0.264386,"netDeltaNormalized":0.114014,"dealerDeltaNormalized":-0.108559,"gexPer100kOi":14500225.55374,"vannaPer100kOi":828.495745,"charmPer100kOi":-176723.214789,"weekendDeltaShiftPer100kOi":-530169.644367,"ivSurfaceRangePp":18.6,"gammaFlipDistancePct":1.890098,"maxPainDistancePct":-1.778604,"peakCallDistancePct":6.185293,"peakPutDistancePct":-1.778604},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/MRSH.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."}