{"url":"https://etfiq.com/compare/alternatives/acio-vs-tail","section":"compare","title":"ACIO vs TAIL: Correlation to the S&P 500 | ETFIQ","description":"ACIO and TAIL both run hedged equity strategies. Over the year to Nov 4, 2026, ACIO had a correlation of +0.99 with the S&P 500 and TAIL \u22120.74.","as_of":"Nov 4, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Which moved less with the S&P 500, ACIO or TAIL?","acceptedAnswer":{"@type":"Answer","text":"Over the 52 weeks to Nov 4, 2026, ACIO\u2019s weekly returns had a correlation of +0.99 with the S&P 500 and TAIL\u2019s \u22120.74, so TAIL moved less with the index."}},{"@type":"Question","name":"Which did better when the S&P 500 fell, ACIO or TAIL?","acceptedAnswer":{"@type":"Answer","text":"In the 26 weeks the S&P 500 fell, by 1.07% a week on average, ACIO averaged \u22120.90% and TAIL +0.17%, so TAIL returned more in those weeks."}},{"@type":"Question","name":"Which earned more than cash, ACIO or TAIL?","acceptedAnswer":{"@type":"Answer","text":"Over the same weeks, ACIO finished 3.3 percentage points ahead of cash and TAIL finished 16.0 percentage points behind cash. Cash here is BIL, a fund of Treasury bills."}},{"@type":"Question","name":"Which is cheaper, ACIO or TAIL?","acceptedAnswer":{"@type":"Answer","text":"ACIO charges 0.79% a year and TAIL charges 0.60%, so TAIL 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":"Alternatives ETFs","item":"https://etfiq.com/alternatives/"},{"@type":"ListItem","position":3,"name":"Compare ETFs","item":"https://etfiq.com/compare/"},{"@type":"ListItem","position":4,"name":"ACIO vs TAIL","item":"https://etfiq.com/compare/alternatives/acio-vs-tail"}]},{"@type":"WebPage","name":"ACIO vs TAIL: Correlation to the S&P 500","description":"ACIO and TAIL both run hedged equity strategies. Over the year to Nov 4, 2026, ACIO had a correlation of +0.99 with the S&P 500 and TAIL \u22120.74.","url":"https://etfiq.com/compare/alternatives/acio-vs-tail","dateModified":"2026-11-04","abstract":"Over the year to Nov 4, 2026, TAIL moved less with the S&P 500 than ACIO: correlation \u22120.74 against +0.99.","publisher":{"@id":"https://etfiq.com/#org"},"isPartOf":{"@id":"https://etfiq.com/#website"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".verdict",".faq"]}},{"@type":"Dataset","name":"ETFIQ comparison of ACIO and TAIL","description":"ACIO and TAIL both run hedged equity strategies. Over the year to Nov 4, 2026, ACIO had a correlation of +0.99 with the S&P 500 and TAIL \u22120.74.","dateModified":"2026-11-04","creator":{"@id":"https://etfiq.com/#org"},"isAccessibleForFree":true,"url":"https://etfiq.com/compare/alternatives/acio-vs-tail","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/alternatives.json"}],"variableMeasured":["Correlation with the S&P 500","Beta to the S&P 500","Down-week capture","Average week when the S&P 500 fell","Return against T-bills","Total return","Strategy","Expense ratio"],"keywords":["exchange-traded funds","ETF","Alternatives ETFs","fund data","SEC filings"]}],"characters":6891,"truncated":true,"content":"ETFIQ / Alternatives ETFs / Compare ETFs / ACIO vs TAIL \n ETFIQ etfiq.com \u00b7 independent ETF data \n\n Data as of Nov 4, 2026 .\n\n ACIO vs TAIL: Correlation to the S&P 500\n\n Over the year to Nov 4, 2026, TAIL moved less with the S&P 500 than ACIO: correlation \u22120.74 against +0.99.\n Copy this for sharing \n \n TAIL costs 0.19 points a year less; their one-year returns differ by 20.2 points; ACIO is 16.3 times larger.\n ACIO and TAIL at a glance. As of Nov 4, 2026. Source: ETFIQ. ACIO TAIL \n Expense ratio 0.79% 0.60% \n Net assets, as of Jul 31, 2026 $2.4bn $147m \n Total return, 1 year +7.1% \u221213.1% \n Hol","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":"Data ETFIQ computes is free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms.","citation":"ETFIQ, ACIO against TAIL, data as of Nov 4, 2026. https://etfiq.com/compare/alternatives/acio-vs-tail","a":{"ticker":"ACIO","name":"Aptus Collared Investment Opportunity ETF","issuer":"Aptus","desk":"alternatives","as_of":"2026-11-04","verdict":"Over the year to Nov 4, 2026, ACIO returned 7.1%, against 14.8% for VOO.","url":"https://etfiq.com/funds/acio","key_facts":[{"label":"Correlation with the S&P 500","value":"+0.99","as_of":"2026-11-04","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"Beta to the S&P 500","value":"+0.79","as_of":"2026-11-04","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"Down-week capture","value":"84.3%","as_of":"2026-11-04","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"Against T-bills, 52 weeks","value":"+3.3 pts","as_of":"2026-11-04","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"12-month yield, capital gains included, on its starting price","value":"0.4%","as_of":"2026-11-04","source":"computed by ETFIQ from Tiingo daily prices and distributions"},{"label":"Last payment (paid quarterly), ex-date Sep 29, 2026","value":"$0.0349","as_of":"2026-09-29","source":"Tiingo end-of-day distributions"},{"label":"Net assets","value":"$2.4bn","as_of":"2026-07-31","source":"SEC N-PORT, whole fund, as filed for Jul 31, 2026"},{"label":"Expense ratio","value":"0.79%","as_of":"2026-08-26","source":"485BPOS XBRL, Aug 26, 2026"}]},"b":{"ticker":"TAIL","name":"Cambria Tail Risk ETF","issuer":"Cambria","desk":"alternatives","as_of":"2026-11-04","verdict":"Over the year to Nov 4, 2026, TAIL lost 13.1%, against 14.8% for VOO.","url":"https://etfiq.com/funds/tail","key_facts":[{"label":"Correlation with the S&P 500","value":"\u22120.74","as_of":"2026-11-04","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"Beta to the S&P 500","value":"\u22120.36","as_of":"2026-11-04","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"Down-week capture","value":"\u221215.9%","as_of":"2026-11-04","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"Against T-bills, 52 weeks","value":"\u221216.0 pts","as_of":"2026-11-04","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"12-month yield, capital gains included, on its starting price","value":"2.9%","as_of":"2026-11-04","source":"computed by ETFIQ from Tiingo daily prices and distributions"},{"label":"Last payment (paid quarterly), ex-date Sep 18, 2026","value":"$0.0844","as_of":"2026-09-18","source":"Tiingo end-of-day distributions"},{"label":"Net assets","value":"$147m","as_of":"2026-07-31","source":"SEC N-PORT, whole fund, as filed for Jul 31, 2026"},{"label":"Expense ratio","value":"0.60%","as_of":"2026-08-28","source":"485BPOS XBRL, Aug 28, 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/alternatives/acio-vs-tail"}