{"@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":"2026-07-01T00:14:00.761Z"},"query":"CPSP","count":1,"items":[{"cusip":"12811T753","symbol":"CPSP","issuer_name":"CALAMOS ETF TR S&P 500 STRUCTU","total_fail_shares":181180,"peak_fail_shares":31179,"peak_date":"2026-04-08","days_with_fails":32,"window":["2025-06-04","2026-05-29"],"url":"https://api.ai-analytics.org/fails-to-deliver/12811T753"}]}