{"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/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=2026-10-02","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":18.530000686645508,"previous_close":19.920000076293945,"delta_neutral":9.691822147554813,"gamma_neutral":18.530000686645508,"gamma_max":20.343694140247845,"total_open_interest":56,"previous_open_interest":39,"listed_contracts":22,"listed_calls":10,"listed_puts":14,"gamma_max_distance_pct":9.787875803531177,"delta_neutral_distance_pct":-47.69659045647166,"gamma_neutral_distance_pct":0,"open_interest_change_1d_pct":43.58974358974359,"call_open_interest":31,"put_open_interest":25,"put_call_open_interest_ratio":0.8064516129032258,"nearest_expiration_max_pain":30,"nearest_expiration_max_pain_expiry":"2026-10-16","nearest_expiration_max_pain_distance_pct":61.899616234881584,"all_expiration_max_pain":20,"net_gamma_exposure":680.5702800231361,"net_gamma_exposure_per_100k_open_interest":1215304.071469886,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":30,"call_wall_distance_pct":61.899616234881584,"put_wall":18,"put_wall_distance_pct":-2.860230259071048,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":4940},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.6111,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"ASTN","price":18.53,"totalOi":56,"analysisCoverage":0.6111,"avgIvPct":160,"ivRank":90.3,"iv52wHighPct":163.3,"iv52wLowPct":129.4,"frontDte":14,"frontAtmIvPct":143.1728,"backAtmIvPct":150.592,"termPremiumPp":-7.4192,"expectedMoveFrontPct":28.04,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":null,"riskReversal30dPp":null,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.806,"putCallOiFrontRatio":2.5,"putCallVolumeFrontRatio":0,"optionVolume":1,"volumeOiRatio":0.017857,"netDeltaNormalized":0.079821,"dealerDeltaNormalized":-0.079821,"gexPer100kOi":201750,"vannaPer100kOi":0,"charmPer100kOi":0,"weekendDeltaShiftPer100kOi":0,"ivSurfaceRangePp":null,"gammaFlipDistancePct":6.422018,"maxPainDistancePct":7.933081,"peakCallDistancePct":61.899622,"peakPutDistancePct":null},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/ASTN.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."}