{"url":"https://etfiq.com/compare/any/iyy-vs-oef","section":"compare","title":"IYY vs OEF: Differences, Returns & Fees | ETFIQ","description":"IYY and OEF side by side to Oct 9, 2026: one-year total return +16.8% against +16.8%, expense ratio 0.20% against 0.20%.","as_of":"Oct 9, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Which returned more over the last year, IYY or OEF?","acceptedAnswer":{"@type":"Answer","text":"In the year to Oct 9, 2026, with distributions reinvested, IYY returned +16.8% and OEF +16.8%."}},{"@type":"Question","name":"Which is cheaper, IYY or OEF?","acceptedAnswer":{"@type":"Answer","text":"Neither: IYY and OEF both charge 0.20% a year. Fees come from each fund's prospectus."}},{"@type":"Question","name":"How much do IYY and OEF overlap with the S&P 500?","acceptedAnswer":{"@type":"Answer","text":"By their latest filed holdings, 92% of IYY and 100% of OEF by weight is stocks the S&P 500 already holds."}}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"ETFIQ","item":"https://etfiq.com/"},{"@type":"ListItem","position":2,"name":"Compare ETFs","item":"https://etfiq.com/compare/"},{"@type":"ListItem","position":3,"name":"IYY vs OEF","item":"https://etfiq.com/compare/any/iyy-vs-oef"}]},{"@type":"WebPage","name":"IYY vs OEF: Differences, Returns & Fees","description":"IYY and OEF side by side to Oct 9, 2026: one-year total return +16.8% against +16.8%, expense ratio 0.20% against 0.20%.","url":"https://etfiq.com/compare/any/iyy-vs-oef","dateModified":"2026-10-09","speakable":{"@type":"SpeakableSpecification","cssSelector":[".verdict",".lede",".faq"]},"isPartOf":{"@type":"WebSite","name":"ETFIQ","url":"https://etfiq.com"}},{"@type":"Dataset","name":"ETFIQ comparison of IYY and OEF","description":"IYY and OEF side by side to Oct 9, 2026: one-year total return +16.8% against +16.8%, expense ratio 0.20% against 0.20%.","dateModified":"2026-10-09","creator":{"@id":"https://etfiq.com/#org"},"license":"https://etfiq.com/license/","isAccessibleForFree":true,"url":"https://etfiq.com/compare/any/iyy-vs-oef","publisher":{"@id":"https://etfiq.com/#org"},"inLanguage":"en","creativeWorkStatus":"Published","distribution":[{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/alternatives.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/core.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/crypto.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/funds.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/income.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/leverage.json"},{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/thematic.json"}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"ETFIQ","item":"https://etfiq.com/"},{"@type":"ListItem","position":2,"name":"Compare ETFs","item":"https://etfiq.com/compare/"},{"@type":"ListItem","position":3,"name":"IYY vs OEF","item":"https://etfiq.com/compare/any/iyy-vs-oef"}]},{"@type":"WebPage","name":"IYY vs OEF: Differences, Returns & Fees","description":"IYY and OEF side by side to Oct 9, 2026: one-year total return +16.8% against +16.8%, expense ratio 0.20% against 0.20%.","url":"https://etfiq.com/compare/any/iyy-vs-oef","dateModified":"2026-10-09","isPartOf":{"@type":"WebSite","name":"ETFIQ","url":"https://etfiq.com"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".verdict",".lede",".faq"]},"publisher":{"@id":"https://etfiq.com/#org"}}],"characters":4503,"truncated":true,"content":"ETFIQ / Compare ETFs / IYY vs OEF \n \n Data as of Oct 9, 2026.\n ETFIQ etfiq.com \u00b7 independent ETF data \n IYY vs OEF: Differences, Returns & Fees\n IYY and OEF hold 69% of their weight in the same names.\n Copy this for sharing \n Both cost 0.20% a year; both returned +16.8% over a year; OEF is 6.8 times larger.\n IYY and OEF at a glance. As of Oct 9, 2026. Source: ETFIQ. IYY OEF \n Expense ratio 0.20% 0.20% \n Net assets $3.1bn $20.8bn \n Total return, 1 year +16.8% +16.8% \n What it tracks Dow Jones U.S. Index S&P 100 \n Holdings in common 69% \n Holdings in common uses holdings dated Oct 9, 2026.\n Net ","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, IYY against OEF, data as of Oct 9, 2026. https://etfiq.com/compare/any/iyy-vs-oef","a":{"ticker":"IYY","name":"iShares Dow Jones U.S. ETF","issuer":"iShares","desk":"core","as_of":"2026-10-09","verdict":"IYY tracks an index and returned +16.8% over the past year.","url":"https://etfiq.com/funds/iyy","key_facts":[{"label":"Total return, 1 year","value":"+16.8%","as_of":"2026-10-09","source":null},{"label":"Expense ratio","value":"0.20%","as_of":"2026-10-09","source":null},{"label":"Holdings","value":"941","as_of":"2026-10-09","source":null},{"label":"Below its high","value":"\u22120.2%","as_of":"2026-10-09","source":null},{"label":"12-month yield: cash paid, 1 year, on its starting price","value":"1.0%","as_of":"2026-10-09","source":null},{"label":"Last payment (paid quarterly), ex-date Sep 15, 2026","value":"$0.4236","as_of":"2026-10-09","source":null},{"label":"Net assets","value":"$3.1bn","as_of":"2026-10-09","source":"the issuer\u2019s own daily fund list, as of Oct 9, 2026"}]},"b":{"ticker":"OEF","name":"iShares S&P 100 ETF","issuer":"iShares","desk":"core","as_of":"2026-10-09","verdict":"OEF tracks an index and returned +16.8% over the past year.","url":"https://etfiq.com/funds/oef","key_facts":[{"label":"Total return, 1 year","value":"+16.8%","as_of":"2026-10-09","source":null},{"label":"Expense ratio","value":"0.20%","as_of":"2026-10-09","source":null},{"label":"Holdings","value":"102","as_of":"2026-10-09","source":null},{"label":"Below its high","value":"\u22120.1%","as_of":"2026-10-09","source":null},{"label":"12-month yield: cash paid, 1 year, on its starting price","value":"1.0%","as_of":"2026-10-09","source":null},{"label":"Last payment (paid quarterly), ex-date Sep 15, 2026","value":"$0.7628","as_of":"2026-10-09","source":null},{"label":"Net assets","value":"$20.8bn","as_of":"2026-10-09","source":"the issuer\u2019s own daily fund list, as of Oct 9, 2026"}]},"overlap_pct":69,"full_text_at":"https://etfiq.com/compare/any/iyy-vs-oef"}