{"@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":"2026-07-01T07:57:44.199Z"},"query":"MYY","count":1,"items":[{"cusip":"74347B250","symbol":"MYY","issuer_name":"PROSHARES SHORT S&P MIDCAP400","total_fail_shares":283333,"peak_fail_shares":26179,"peak_date":"2026-03-10","days_with_fails":78,"window":["2025-06-02","2026-05-21"],"url":"https://api.ai-analytics.org/fails-to-deliver/74347B250"}]}