{"url":"https://etfiq.com/compare/buffer/cpsf-vs-cpsy","section":"compare","title":"CPSF vs CPSY: which one stands where? | ETFIQ","description":"As of Oct 1, 2026 neither CPSF nor CPSY publishes a remaining cap. Each can fall 3.7% and 4.5% before its buffer engages, on SPY.","as_of":"Oct 1, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Which resets first, CPSF or CPSY?","acceptedAnswer":{"@type":"Answer","text":"CPSF ends its outcome period on Jan 30, 2027 and CPSY on Jan 1, 2027. A new cap is set the day after each."}},{"@type":"Question","name":"Which is cheaper, CPSF or CPSY?","acceptedAnswer":{"@type":"Answer","text":"CPSF charges 0.69% a year and CPSY charges 0.69%, so CPSF is cheaper. Fees come from each fund's prospectus."}}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"ETFIQ","item":"https://etfiq.com/"},{"@type":"ListItem","position":2,"name":"Buffer ETFs","item":"https://etfiq.com/buffer/"},{"@type":"ListItem","position":3,"name":"CPSF vs CPSY","item":"https://etfiq.com/compare/buffer/cpsf-vs-cpsy"}]},{"@type":"WebPage","name":"CPSF vs CPSY: which one stands where?","description":"As of Oct 1, 2026 neither CPSF nor CPSY publishes a remaining cap. Each can fall 3.7% and 4.5% before its buffer engages, on SPY.","url":"https://etfiq.com/compare/buffer/cpsf-vs-cpsy","dateModified":"2026-10-01","abstract":"As of Oct 1, 2026 CPSY can fall 4.5% before its buffer engages and CPSF 3.7%, and CPSY resets 29 days sooner.","publisher":{"@id":"https://etfiq.com/#org"},"isPartOf":{"@id":"https://etfiq.com/#website"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".verdict",".faq"]}},{"@type":"Dataset","name":"ETFIQ comparison of CPSF and CPSY","description":"As of Oct 1, 2026 neither CPSF nor CPSY publishes a remaining cap. Each can fall 3.7% and 4.5% before its buffer engages, on SPY.","dateModified":"2026-10-01","creator":{"@id":"https://etfiq.com/#org"},"isAccessibleForFree":true,"url":"https://etfiq.com/compare/buffer/cpsf-vs-cpsy","license":"https://etfiq.com/standards/","publisher":{"@id":"https://etfiq.com/#org"},"inLanguage":"en","creativeWorkStatus":"Published","distribution":[{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/funds.json"}],"variableMeasured":["Remaining cap","Fall before the buffer engages","Protection left in index points","Starting buffer","Outcome period","Reference index return","Fund return","Days remaining","Expense ratio"],"keywords":["exchange-traded funds","ETF","Buffer ETFs","fund data","SEC filings"]}],"characters":5215,"truncated":true,"content":"ETFIQ / Buffer ETFs / Head to head / CPSF vs CPSY \n ETFIQ etfiq.com \u00b7 independent ETF data \n\n Data as of Oct 1, 2026 .\n\n CPSF vs CPSY: which one stands where?\n\n As of Oct 1, 2026 CPSY can fall 4.5% before its buffer engages and CPSF 3.7%, and CPSY resets 29 days sooner.\n Copy this for sharing \n \n Calamos S&P 500 \u00ae Structured Alt Protection ETF - February and Calamos S&P 500 \u00ae Structured Alt Protection ETF - January.\n\n Download as PDF \n\n CPSF At its cap [CPSF: reference +9.7% since period start, fund +3.4%; buffer \u22120 to floor; cap +5.9%; At its cap.. At its cap] [CPSF: reference +9.7% since per","source":"ETFIQ, independent ETF data. Recomputed nightly from public filings and prices.","publisher":{"@id":"https://etfiq.com/#org","name":"ETFIQ","url":"https://etfiq.com"},"license":"https://etfiq.com/license/","citation":"ETFIQ, as of Oct 1, 2026. https://etfiq.com/compare/buffer/cpsf-vs-cpsy","a":{"ticker":"CPSF","name":"Calamos S&P 500 \u00ae Structured Alt Protection ETF - February","issuer":"Calamos","desk":"buffer","as_of":"2026-10-01","verdict":"As of Oct 1, 2026, CPSF has reached its cap.","url":"https://etfiq.com/funds/cpsf","key_facts":[{"label":"Fall before the buffer","value":"3.7%","as_of":"2026-10-01","source":null},{"label":"Protection left, index points","value":"99.6%","as_of":"2026-10-01","source":null},{"label":"Days to reset","value":"121","as_of":"2026-10-01","source":null},{"label":"Net assets","value":"$35m","as_of":"2026-10-01","source":"issuer page, as of Sep 30, 2026"},{"label":"Expense ratio","value":"0.69%","as_of":"2026-10-01","source":"issuer page, Oct 1, 2026"},{"label":"Reference index","value":"SPY","as_of":"2026-10-01","source":null}]},"b":{"ticker":"CPSY","name":"Calamos S&P 500 \u00ae Structured Alt Protection ETF - January","issuer":"Calamos","desk":"buffer","as_of":"2026-10-01","verdict":"As of Oct 1, 2026, CPSY has reached its cap.","url":"https://etfiq.com/funds/cpsy","key_facts":[{"label":"Fall before the buffer","value":"4.5%","as_of":"2026-10-01","source":null},{"label":"Protection left, index points","value":"99.5%","as_of":"2026-10-01","source":null},{"label":"Days to reset","value":"92","as_of":"2026-10-01","source":null},{"label":"Net assets","value":"$29m","as_of":"2026-10-01","source":"issuer page, as of Sep 30, 2026"},{"label":"Expense ratio","value":"0.69%","as_of":"2026-10-01","source":"issuer page, Oct 1, 2026"},{"label":"Reference index","value":"SPY","as_of":"2026-10-01","source":null}]},"overlap_pct":null,"overlap_note":"ETFIQ does not publish a holdings overlap for this pair. Either the funds are not compared on holdings, or one book is incomplete.","full_text_at":"https://etfiq.com/compare/buffer/cpsf-vs-cpsy"}