{"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/ALDX","markdown_url":null,"history_url":"https://halfonadouble.com/api/v1/history/ALDX.csv","advanced_analysis_url":"https://halfonadouble.com/api/v1/analysis/ALDX.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":"ALDX","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":1.1699999570846558,"previous_close":1.2899999618530273,"delta_neutral":0.3706278711724582,"gamma_neutral":1.1699999570846558,"gamma_max":1.3561329526776082,"total_open_interest":4498,"previous_open_interest":6068,"listed_contracts":29,"listed_calls":35,"listed_puts":27,"gamma_max_distance_pct":15.908803625664131,"delta_neutral_distance_pct":-68.32240301136684,"gamma_neutral_distance_pct":0,"open_interest_change_1d_pct":-25.873434410019776,"call_open_interest":4012,"put_open_interest":486,"put_call_open_interest_ratio":0.12113659022931206,"nearest_expiration_max_pain":1,"nearest_expiration_max_pain_expiry":"2026-10-09","nearest_expiration_max_pain_distance_pct":-14.529911394890362,"all_expiration_max_pain":1.5,"net_gamma_exposure":134714.2678371189,"net_gamma_exposure_per_100k_open_interest":2994981.499268984,"gamma_exposure_flip":null,"gamma_exposure_flip_distance_pct":null,"call_wall":1.5,"call_wall_distance_pct":28.205132907664453,"put_wall":1,"put_wall_distance_pct":-14.529911394890362,"gamma_max_cross_direction":null,"delta_neutral_cross_direction":null,"open_interest_rank":2640},"history_summary":null,"advanced_options":{"data_through":"2026-10-02","analysis_coverage":0.7778,"catalyst_score":null,"directional_score":null,"catalyst_reasons":[],"features":{"symbol":"ALDX","price":1.17,"totalOi":6102,"analysisCoverage":0.7778,"avgIvPct":1270.3,"ivRank":34.8,"iv52wHighPct":3300.1,"iv52wLowPct":188.26,"frontDte":null,"frontAtmIvPct":null,"backAtmIvPct":null,"termPremiumPp":null,"expectedMoveFrontPct":null,"straddleFrontPct":null,"straddle30dPct":null,"riskReversalFrontPp":-15.04,"riskReversal30dPp":-15.04,"butterflyFrontPp":null,"butterfly30dPp":null,"putCallOiRatio":0.089,"putCallOiFrontRatio":0.043,"putCallVolumeFrontRatio":0,"optionVolume":52,"volumeOiRatio":0.008522,"netDeltaNormalized":0.370643,"dealerDeltaNormalized":-0.364566,"gexPer100kOi":60861.029171,"vannaPer100kOi":-639.13471,"charmPer100kOi":-750950.50803,"weekendDeltaShiftPer100kOi":-2252867.91216,"ivSurfaceRangePp":132.9,"gammaFlipDistancePct":-13.675214,"maxPainDistancePct":28.205128,"peakCallDistancePct":70.940171,"peakPutDistancePct":113.675214},"complete_analysis_url":"https://halfonadouble.com/api/v1/analysis/ALDX.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."}