{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","_source":{"data_provider":"AI Analytics","data_provider_url":"https://api.ai-analytics.org","license":"https://creativecommons.org/publicdomain/zero/1.0/","primary_source":"https://www.sec.gov/data/foiadocsfailsdatahtm","primary_source_dataset":"SEC CNS Fails-to-Deliver","generated_at":"2026-09-25T03:54:19.968Z"},"query":"MQY","count":1,"items":[{"cusip":"09254F100","symbol":"MQY","issuer_name":"BLACKROCK MUNI YIELD QUALITY F","total_fail_shares":855729,"peak_fail_shares":50152,"peak_date":"2025-08-06","days_with_fails":105,"window":["2025-06-02","2026-05-04"],"url":"https://api.ai-analytics.org/fails-to-deliver/09254F100"}]}