{"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/ASTH","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/ASTH.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/ASTH.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":"ASTH","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":36.810001373291016,"previous_close":38.029998779296875,"delta_neutral":36.069174821662756,"gamma_neutral":29.641827061711023,"gamma_max":41.94381943905699,"total_open_interest":4284,"previous_open_interest":8766,"listed_contracts":42,"listed_calls":25,"listed_puts":24,"gamma_max_distance_pct":13.946802157663111,"delta_neutral_distance_pct":-2.0125686606624154,"gamma_neutral_distance_pct":-19.47344211940495,"open_interest_change_1d_pct":-51.129363449691986,"call_open_interest":2526,"put_open_interest":1758,"put_call_open_interest_ratio":0.6959619952494062,"nearest_expiration_max_pain":40,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":8.666119281983011,"all_expiration_max_pain":40,"net_gamma_exposure":132475.67391252334,"net_gamma_exposure_per_100k_open_interest":3092335.9923558203,"gamma_exposure_flip":29.641827061711023,"gamma_exposure_flip_distance_pct":-19.47344211940495,"call_wall":40,"call_wall_distance_pct":8.666119281983011,"put_wall":40,"put_wall_distance_pct":8.666119281983011,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2544},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":1,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":36.81,"totalOi":8787,"analysisCoverage":1,"avgIvPct":433.8,"ivRank":100,"iv52wHighPct":433.8,"iv52wLowPct":67.8,"frontDte":35,"termPremiumPp":0,"riskReversalFrontPp":1.22,"riskReversal30dPp":1.22,"butterflyFrontPp":-24.09,"butterfly30dPp":-24.09,"putCallOiRatio":0.258,"putCallOiFrontRatio":0.347,"putCallVolumeFrontRatio":0,"optionVolume":45,"volumeOiRatio":0.005121,"netDeltaNormalized":0.168697,"dealerDeltaNormalized":-0.168697,"gexPer100kOi":4635753.271879,"vannaPer100kOi":1320.132013,"charmPer100kOi":-358484.124274,"weekendDeltaShiftPer100kOi":-1075440.992375,"ivSurfaceRangePp":27.9,"gammaFlipDistancePct":-4.210812,"maxPainDistancePct":8.666123,"peakCallDistancePct":8.666123,"peakPutDistancePct":null},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/ASTH.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."}