{"url":"https://etfiq.com/compare/buffer/cpst-vs-qbsv","section":"compare","title":"CPST vs QBSV: which one stands where? | ETFIQ","description":"As of Oct 1, 2026 QBSV can gain 4.9% before its cap and CPST publishes no remaining cap. Each can fall 0.1% and 0.2% before its buffer engages, on SPY.","as_of":"Oct 1, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Which resets first, CPST or QBSV?","acceptedAnswer":{"@type":"Answer","text":"CPST ends its outcome period on Sep 1, 2027 and QBSV on Dec 31, 2026. A new cap is set the day after each."}},{"@type":"Question","name":"Which is cheaper, CPST or QBSV?","acceptedAnswer":{"@type":"Answer","text":"CPST charges 0.69% a year and QBSV charges 0.64%, so QBSV 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":"CPST vs QBSV","item":"https://etfiq.com/compare/buffer/cpst-vs-qbsv"}]},{"@type":"WebPage","name":"CPST vs QBSV: which one stands where?","description":"As of Oct 1, 2026 QBSV can gain 4.9% before its cap and CPST publishes no remaining cap. Each can fall 0.1% and 0.2% before its buffer engages, on SPY.","url":"https://etfiq.com/compare/buffer/cpst-vs-qbsv","dateModified":"2026-10-01","abstract":"As of Oct 1, 2026 QBSV can fall 0.2% before its buffer engages and CPST 0.1%, and QBSV resets 243 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 CPST and QBSV","description":"As of Oct 1, 2026 QBSV can gain 4.9% before its cap and CPST publishes no remaining cap. Each can fall 0.1% and 0.2% before its buffer engages, on SPY.","dateModified":"2026-10-01","creator":{"@id":"https://etfiq.com/#org"},"isAccessibleForFree":true,"url":"https://etfiq.com/compare/buffer/cpst-vs-qbsv","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":5352,"truncated":true,"content":"ETFIQ / Buffer ETFs / Head to head / CPST vs QBSV \n ETFIQ etfiq.com \u00b7 independent ETF data \n\n Data as of Oct 1, 2026 .\n\n CPST vs QBSV: which one stands where?\n\n As of Oct 1, 2026 QBSV can fall 0.2% before its buffer engages and CPST 0.1%, and QBSV resets 243 days sooner.\n Copy this for sharing \n \n Calamos S&P 500 \u00ae Structured Alt Protection ETF - September and AllianzIM U.S. Equity Buffer5 ETF - Jan.\n\n Download as PDF \n\n CPST Full floor [CPST: reference +0.1% since period start, fund 0.0%; buffer \u22120 to floor; cap +8.0%; Full floor.. Full floor] [CPST: reference +0.1% since period start, fund 0","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/cpst-vs-qbsv","a":{"ticker":"CPST","name":"Calamos S&P 500 \u00ae Structured Alt Protection ETF - September","issuer":"Calamos","desk":"buffer","as_of":"2026-10-01","verdict":"As of Oct 1, 2026, CPST is between its buffer and cap, with SPY up 0.1% since the period began.","url":"https://etfiq.com/funds/cpst","key_facts":[{"label":"Fall before the buffer","value":"0.1%","as_of":"2026-10-01","source":null},{"label":"Protection left, index points","value":"100.0%","as_of":"2026-10-01","source":null},{"label":"Days to reset","value":"335","as_of":"2026-10-01","source":null},{"label":"Net assets","value":"$37m","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":"QBSV","name":"AllianzIM U.S. Equity Buffer5 ETF - Jan","issuer":"AllianzIM","desk":"buffer","as_of":"2026-10-01","verdict":"As of Oct 1, 2026, QBSV is between its buffer and cap, with SPY flat since the period began.","url":"https://etfiq.com/funds/qbsv","key_facts":[{"label":"Can still gain","value":"4.9%","as_of":"2026-10-01","source":null},{"label":"Fall before the buffer","value":"0.2%","as_of":"2026-10-01","source":null},{"label":"Protection left, index points","value":"5.0%","as_of":"2026-10-01","source":null},{"label":"Days to reset","value":"92","as_of":"2026-10-01","source":null},{"label":"Net assets","value":"$27m","as_of":"2026-10-01","source":"issuer page, as of Sep 30, 2026"},{"label":"Expense ratio","value":"0.64%","as_of":"2026-10-01","source":"issuer page, Oct 1, 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/cpst-vs-qbsv"}