{"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/MDXG","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/MDXG.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/MDXG.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":"MDXG","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":4.590000152587891,"previous_close":4.639999866485596,"delta_neutral":null,"gamma_neutral":null,"gamma_max":null,"total_open_interest":1081,"previous_open_interest":1079,"listed_contracts":11,"listed_calls":7,"listed_puts":6,"gamma_max_distance_pct":null,"delta_neutral_distance_pct":null,"gamma_neutral_distance_pct":null,"open_interest_change_1d_pct":0.18535681186283595,"call_open_interest":473,"put_open_interest":608,"put_call_open_interest_ratio":1.285412262156448,"nearest_expiration_max_pain":5,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":8.932458252336813,"all_expiration_max_pain":5,"net_gamma_exposure":6282.00081859089,"net_gamma_exposure_per_100k_open_interest":581128.660369185,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":5,"call_wall_distance_pct":8.932458252336813,"put_wall":5,"put_wall_distance_pct":8.932458252336813,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":3642},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.8333,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"MDXG","price":4.59,"totalOi":1081,"analysisCoverage":0.8333,"avgIvPct":131.6,"ivRank":29.8,"iv52wHighPct":276.9,"iv52wLowPct":69.9,"frontDte":null,"frontAtmIvPct":null,"backAtmIvPct":null,"termPremiumPp":null,"expectedMoveFrontPct":null,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":234.22,"riskReversal30dPp":234.22,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":1.285,"putCallOiFrontRatio":0.14,"putCallVolumeFrontRatio":0,"optionVolume":1,"volumeOiRatio":0.000925,"netDeltaNormalized":-0.020307,"dealerDeltaNormalized":0.020204,"gexPer100kOi":35659.574468,"vannaPer100kOi":1850.13876,"charmPer100kOi":0,"weekendDeltaShiftPer100kOi":0,"ivSurfaceRangePp":242,"gammaFlipDistancePct":-25.272331,"maxPainDistancePct":8.932462,"peakCallDistancePct":8.932462,"peakPutDistancePct":null},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/MDXG.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."}