{"@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":"2026-07-01T09:55:26.011Z"},"query":"QID","count":1,"items":[{"cusip":"74349Y829","symbol":"QID","issuer_name":"PROSHARES ULTRASHORT QQQ","total_fail_shares":24444501,"peak_fail_shares":2815192,"peak_date":"2025-10-29","days_with_fails":143,"window":["2025-06-02","2026-05-29"],"url":"https://api.ai-analytics.org/fails-to-deliver/74349Y829"}]}