{"url":"https://etfiq.com/compare/buffer/cpsn-vs-decu","section":"compare","title":"CPSN vs DECU: Cap, Buffer & Days Left | ETFIQ","description":"As of Oct 21, 2026 CPSN can fall 6.3% and DECU 8.9% before its buffer engages, on SPY. CPSN ends on Oct 30, 2026 and DECU on Nov 30, 2026.","as_of":"Oct 21, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Which resets first, CPSN or DECU?","acceptedAnswer":{"@type":"Answer","text":"CPSN ends its outcome period on Oct 30, 2026 and DECU on Nov 30, 2026. New terms are set the day after each."}},{"@type":"Question","name":"Which is cheaper, CPSN or DECU?","acceptedAnswer":{"@type":"Answer","text":"CPSN charges 0.69% a year and DECU charges 0.74%, so CPSN 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":"Compare ETFs","item":"https://etfiq.com/compare/"},{"@type":"ListItem","position":4,"name":"CPSN vs DECU","item":"https://etfiq.com/compare/buffer/cpsn-vs-decu"}]},{"@type":"WebPage","name":"CPSN vs DECU: Cap, Buffer & Days Left","description":"As of Oct 21, 2026 CPSN can fall 6.3% and DECU 8.9% before its buffer engages, on SPY. CPSN ends on Oct 30, 2026 and DECU on Nov 30, 2026.","url":"https://etfiq.com/compare/buffer/cpsn-vs-decu","dateModified":"2026-10-21","abstract":"As of Oct 21, 2026 DECU can fall 8.9% before its buffer engages and CPSN 6.3%, and CPSN resets 31 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 CPSN and DECU","description":"As of Oct 21, 2026 CPSN can fall 6.3% and DECU 8.9% before its buffer engages, on SPY. CPSN ends on Oct 30, 2026 and DECU on Nov 30, 2026.","dateModified":"2026-10-21","creator":{"@id":"https://etfiq.com/#org"},"isAccessibleForFree":true,"url":"https://etfiq.com/compare/buffer/cpsn-vs-decu","license":"https://etfiq.com/license/","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":6089,"truncated":true,"content":"ETFIQ / Buffer ETFs / Compare ETFs / CPSN vs DECU \n ETFIQ etfiq.com \u00b7 independent ETF data \n\n Data as of Oct 21, 2026 .\n\n CPSN vs DECU: Cap, Buffer & Days Left\n\n As of Oct 21, 2026 DECU can fall 8.9% before its buffer engages and CPSN 6.3%, and CPSN resets 31 days sooner.\n Copy this for sharing \n \n CPSN costs 0.05 points a year less; their one-year returns differ by 4.1 points; DECU is 1.6 times larger.\n CPSN and DECU at a glance. As of Oct 21, 2026. Source: ETFIQ. CPSN DECU \n Expense ratio 0.69% 0.74% \n Net assets $34m $53m \n Total return, 1 year +6.2% +10.3% \n What it tracks SPY SPY \n Holdin","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/","license_text":"Figures ETFIQ computes are free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms.","citation":"ETFIQ, CPSN against DECU, data as of Oct 21, 2026. https://etfiq.com/compare/buffer/cpsn-vs-decu","a":{"ticker":"CPSN","name":"Calamos S&P 500 Structured Alt Protection ETF - November","issuer":"Calamos","desk":"buffer","as_of":"2026-10-21","verdict":"Since Nov 3, 2025, CPSN returned 6.0%, against 13.1% for SPY. It is at its cap.","url":"https://etfiq.com/funds/cpsn","key_facts":[{"label":"Fall before the buffer from today\u2019s fund price","value":"6.3%","as_of":"2026-10-21","source":null},{"label":"Protection left, index points","value":"100.0%","as_of":"2026-10-21","source":null},{"label":"Days to reset","value":"9","as_of":"2026-10-21","source":null},{"label":"Net assets","value":"$34m","as_of":"2026-10-21","source":"issuer page, as of Oct 21, 2026"},{"label":"Expense ratio","value":"0.69%","as_of":"2026-10-21","source":"issuer page, Oct 21, 2026"},{"label":"Reference index","value":"SPY","as_of":"2026-10-21","source":null}]},"b":{"ticker":"DECU","name":"AllianzIM U.S. Equity Buffer15 Uncapped ETF - Dec","issuer":"AllianzIM","desk":"buffer","as_of":"2026-10-21","verdict":"Since Dec 1, 2025, DECU returned 8.9%, against 13.1% for SPY. It can fall 8.9% before its buffer.","url":"https://etfiq.com/funds/decu","key_facts":[{"label":"Can still gain from today\u2019s fund price","value":"uncapped","as_of":"2026-10-21","source":null},{"label":"Fall before the buffer from today\u2019s fund price","value":"8.9%","as_of":"2026-10-21","source":null},{"label":"Protection left, index points","value":"15.0%","as_of":"2026-10-21","source":null},{"label":"Days to reset","value":"40","as_of":"2026-10-21","source":null},{"label":"Net assets","value":"$53m","as_of":"2026-10-21","source":"issuer page, as of Oct 21, 2026"},{"label":"Expense ratio","value":"0.74%","as_of":"2026-10-21","source":"issuer page, Oct 21, 2026"}]},"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/cpsn-vs-decu"}