{"url":"https://etfiq.com/compare/buffer/cpsp-vs-sixo","section":"compare","title":"CPSP vs SIXO: Cap, Buffer & Days Left | ETFIQ","description":"As of Oct 21, 2026 CPSP can fall 3.9% and SIXO 1.2% before its buffer engages, on SPY. Both end their outcome period on Mar 31, 2027.","as_of":"Oct 21, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Which resets first, CPSP or SIXO?","acceptedAnswer":{"@type":"Answer","text":"CPSP ends its outcome period on Mar 31, 2027 and SIXO on Mar 31, 2027. A new cap is set the day after each."}},{"@type":"Question","name":"Which is cheaper, CPSP or SIXO?","acceptedAnswer":{"@type":"Answer","text":"CPSP charges 0.69% a year and SIXO charges 0.74%, so CPSP 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":"CPSP vs SIXO","item":"https://etfiq.com/compare/buffer/cpsp-vs-sixo"}]},{"@type":"WebPage","name":"CPSP vs SIXO: Cap, Buffer & Days Left","description":"As of Oct 21, 2026 CPSP can fall 3.9% and SIXO 1.2% before its buffer engages, on SPY. Both end their outcome period on Mar 31, 2027.","url":"https://etfiq.com/compare/buffer/cpsp-vs-sixo","dateModified":"2026-10-21","abstract":"As of Oct 21, 2026 CPSP can fall 3.9% before its buffer engages and SIXO 1.2%.","publisher":{"@id":"https://etfiq.com/#org"},"isPartOf":{"@id":"https://etfiq.com/#website"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".verdict",".faq"]}},{"@type":"Dataset","name":"ETFIQ comparison of CPSP and SIXO","description":"As of Oct 21, 2026 CPSP can fall 3.9% and SIXO 1.2% before its buffer engages, on SPY. Both end their outcome period on Mar 31, 2027.","dateModified":"2026-10-21","creator":{"@id":"https://etfiq.com/#org"},"isAccessibleForFree":true,"url":"https://etfiq.com/compare/buffer/cpsp-vs-sixo","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":6063,"truncated":true,"content":"ETFIQ / Buffer ETFs / Compare ETFs / CPSP vs SIXO \n ETFIQ etfiq.com \u00b7 independent ETF data \n\n Data as of Oct 21, 2026 .\n\n CPSP vs SIXO: Cap, Buffer & Days Left\n\n As of Oct 21, 2026 CPSP can fall 3.9% before its buffer engages and SIXO 1.2%.\n Copy this for sharing \n \n CPSP costs 0.05 points a year less; their one-year returns differ by 2.3 points; SIXO is 5.0 times larger.\n CPSP and SIXO at a glance. As of Oct 21, 2026. Source: ETFIQ. CPSP SIXO \n Expense ratio 0.69% 0.74% \n Net assets $24m $120m \n Total return, 1 year +6.0% +8.3% \n What it tracks SPY SPY \n Holdings in common not published \n \n N","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, CPSP against SIXO, data as of Oct 21, 2026. https://etfiq.com/compare/buffer/cpsp-vs-sixo","a":{"ticker":"CPSP","name":"Calamos S&P 500 Structured Alt Protection ETF - April","issuer":"Calamos","desk":"buffer","as_of":"2026-10-21","verdict":"Since Apr 1, 2026, CPSP returned 3.6%, against 18.0% for SPY. It is at its cap.","url":"https://etfiq.com/funds/cpsp","key_facts":[{"label":"Fall before the buffer from today\u2019s fund price","value":"3.9%","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":"161","as_of":"2026-10-21","source":null},{"label":"Net assets","value":"$24m","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":"SIXO","name":"AllianzIM U.S. Equity Buffer10 ETF - Apr","issuer":"AllianzIM","desk":"buffer","as_of":"2026-10-21","verdict":"Since Oct 1, 2026, SIXO returned 0.8%, against 1.4% for SPY. It can gain 6.5% more before its cap.","url":"https://etfiq.com/funds/sixo","key_facts":[{"label":"Can still gain from today\u2019s fund price","value":"6.5%","as_of":"2026-10-21","source":null},{"label":"Fall before the buffer from today\u2019s fund price","value":"1.2%","as_of":"2026-10-21","source":null},{"label":"Protection left, index points","value":"10.0%","as_of":"2026-10-21","source":null},{"label":"Days to reset","value":"161","as_of":"2026-10-21","source":null},{"label":"Net assets","value":"$120m","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/cpsp-vs-sixo"}