{"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/MAMA","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/MAMA.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/MAMA.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":"MAMA","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":12.930000305175781,"previous_close":12.8100004196167,"delta_neutral":11.110448127495824,"gamma_neutral":7.803253757929225,"gamma_max":17.348376530126835,"total_open_interest":5982,"previous_open_interest":5959,"listed_contracts":88,"listed_calls":61,"listed_puts":39,"gamma_max_distance_pct":34.17150905388928,"delta_neutral_distance_pct":-14.072328961597972,"gamma_neutral_distance_pct":-39.65001103050522,"open_interest_change_1d_pct":0.38597080046987753,"call_open_interest":4868,"put_open_interest":1114,"put_call_open_interest_ratio":0.22884141331142152,"nearest_expiration_max_pain":12.5,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":-3.32560166300735,"all_expiration_max_pain":12.5,"net_gamma_exposure":180630.27557963404,"net_gamma_exposure_per_100k_open_interest":3019563.282842428,"gamma_exposure_flip":7.803253757929225,"gamma_exposure_flip_distance_pct":-39.65001103050522,"call_wall":20,"call_wall_distance_pct":54.67903733918824,"put_wall":12.5,"put_wall_distance_pct":-3.32560166300735,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2460},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.9444,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"MAMA","price":12.93,"totalOi":5982,"analysisCoverage":0.9444,"avgIvPct":100.9,"ivRank":19.5,"iv52wHighPct":178,"iv52wLowPct":82.21,"frontDte":14,"frontAtmIvPct":63.9274,"backAtmIvPct":55.5955,"termPremiumPp":8.3319,"expectedMoveFrontPct":12.52,"straddleFrontPct":9.86,"straddle30dPct":9.86,"riskReversalFrontPp":-8.74,"riskReversal30dPp":-8.74,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.229,"putCallOiFrontRatio":0.205,"putCallVolumeFrontRatio":0.637,"optionVolume":219,"volumeOiRatio":0.03661,"netDeltaNormalized":0.095704,"dealerDeltaNormalized":-0.095702,"gexPer100kOi":383384.82113,"vannaPer100kOi":2657.973922,"charmPer100kOi":-439535.272484,"weekendDeltaShiftPer100kOi":-1318589.100635,"ivSurfaceRangePp":28.8,"gammaFlipDistancePct":15.931941,"maxPainDistancePct":-3.325599,"peakCallDistancePct":16.009281,"peakPutDistancePct":-3.325599},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/MAMA.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."}