{"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/ASTN","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/ASTN.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/ASTN.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":"ASTN","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":33.470001220703125,"previous_close":28.75,"delta_neutral":6.61438966927389,"gamma_neutral":33.470001220703125,"gamma_max":16.00884755482462,"total_open_interest":143,"previous_open_interest":176,"listed_contracts":21,"listed_calls":20,"listed_puts":13,"gamma_max_distance_pct":-52.16956387524054,"delta_neutral_distance_pct":-80.23785650422232,"gamma_neutral_distance_pct":0,"open_interest_change_1d_pct":-18.75,"call_open_interest":126,"put_open_interest":17,"put_call_open_interest_ratio":0.1349206349206349,"nearest_expiration_max_pain":17,"nearest_expiration_max_pain_expiry":"2026-11-20","nearest_expiration_max_pain_distance_pct":-49.20824804307291,"all_expiration_max_pain":17,"net_gamma_exposure":4195.899850321698,"net_gamma_exposure_per_100k_open_interest":2934195.699525663,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":29,"call_wall_distance_pct":-13.355246661712613,"put_wall":36,"put_wall_distance_pct":7.559004144080895,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":4519},"history_summary":null,"advanced_options":{"data_through":"2026-10-16","analysis_coverage":0.7778,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"price":33.47,"totalOi":175,"analysisCoverage":0.7778,"avgIvPct":1389.8,"ivRank":100,"iv52wHighPct":1389.8,"iv52wLowPct":129.4,"frontDte":35,"termPremiumPp":0,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.336,"putCallOiFrontRatio":0.061,"putCallVolumeFrontRatio":0,"optionVolume":15,"volumeOiRatio":0.085714,"netDeltaNormalized":0.532971,"dealerDeltaNormalized":-0.533086,"gexPer100kOi":889217.142857,"vannaPer100kOi":-1142.857143,"charmPer100kOi":-2002285.714286,"weekendDeltaShiftPer100kOi":-6007428.571429,"ivSurfaceRangePp":0,"gammaFlipDistancePct":-51.210039,"maxPainDistancePct":-40.244996,"peakCallDistancePct":-52.195996,"peakPutDistancePct":-4.391993},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/ASTN.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."}