{"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/MST","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/MST.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/MST.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":"MST","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":11.470000267028809,"previous_close":14.020000457763672,"delta_neutral":10.285926264226992,"gamma_neutral":5.703011817201632,"gamma_max":12.191363241086368,"total_open_interest":612,"previous_open_interest":782,"listed_contracts":61,"listed_calls":36,"listed_puts":31,"gamma_max_distance_pct":6.289127787827168,"delta_neutral_distance_pct":-10.323225590547777,"gamma_neutral_distance_pct":-50.27888679658295,"open_interest_change_1d_pct":-21.73913043478261,"call_open_interest":368,"put_open_interest":244,"put_call_open_interest_ratio":0.6630434782608695,"nearest_expiration_max_pain":12,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":4.620747346403355,"all_expiration_max_pain":12,"net_gamma_exposure":14411.017620471599,"net_gamma_exposure_per_100k_open_interest":2354741.4412535294,"gamma_exposure_flip":5.703011817201632,"gamma_exposure_flip_distance_pct":-50.27888679658295,"call_wall":15,"call_wall_distance_pct":30.775934183004196,"put_wall":12,"put_wall_distance_pct":4.620747346403355,"gamma_max_cross_direction":"below","delta_neutral_cross_direction":null,"open_interest_rank":3822},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":0.8889,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":11.47,"totalOi":795,"analysisCoverage":0.8889,"avgIvPct":990.3,"ivRank":100,"iv52wHighPct":990.3,"iv52wLowPct":122.7,"frontDte":35,"termPremiumPp":0,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.619,"putCallOiFrontRatio":0.547,"putCallVolumeFrontRatio":4.167,"optionVolume":51,"volumeOiRatio":0.064151,"netDeltaNormalized":0.043434,"dealerDeltaNormalized":-0.043434,"gexPer100kOi":352033.962264,"vannaPer100kOi":628.930818,"charmPer100kOi":-288427.672956,"weekendDeltaShiftPer100kOi":-865157.232704,"ivSurfaceRangePp":77.6,"gammaFlipDistancePct":-9.415867,"maxPainDistancePct":13.339146,"peakCallDistancePct":4.62075,"peakPutDistancePct":-12.816042},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/MST.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."}