{"url":"https://etfiq.com/compare/any/ibdu-vs-spsb","section":"compare","title":"IBDU vs SPSB: ETF Returns, Fees and Overlap | ETFIQ","description":"IBDU vs SPSB to Oct 28, 2026: one-year total return +1.3% against +2.2%, expense ratio 0.10% against 0.04%. 20% of their weight is in the same names.","as_of":"Oct 28, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Which returned more over the last year, IBDU or SPSB?","acceptedAnswer":{"@type":"Answer","text":"In the year to Oct 28, 2026, with distributions reinvested, IBDU returned +1.3% and SPSB +2.2%."}},{"@type":"Question","name":"Which is cheaper, IBDU or SPSB?","acceptedAnswer":{"@type":"Answer","text":"SPSB is cheaper, by 0.06 percentage points a year. That is about $6 on $10,000 held for a year. 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":"Compare ETFs","item":"https://etfiq.com/compare/"},{"@type":"ListItem","position":3,"name":"IBDU vs SPSB","item":"https://etfiq.com/compare/any/ibdu-vs-spsb"}]},{"@type":"WebPage","name":"IBDU vs SPSB: ETF Returns, Fees and Overlap","description":"IBDU vs SPSB to Oct 28, 2026: one-year total return +1.3% against +2.2%, expense ratio 0.10% against 0.04%. 20% of their weight is in the same names.","url":"https://etfiq.com/compare/any/ibdu-vs-spsb","dateModified":"2026-10-28","speakable":{"@type":"SpeakableSpecification","cssSelector":[".verdict",".lede",".faq"]},"isPartOf":{"@type":"WebSite","name":"ETFIQ","url":"https://etfiq.com"}},{"@type":"Dataset","name":"ETFIQ comparison of IBDU and SPSB","description":"IBDU vs SPSB to Oct 28, 2026: one-year total return +1.3% against +2.2%, expense ratio 0.10% against 0.04%. 20% of their weight is in the same names.","dateModified":"2026-10-28","creator":{"@id":"https://etfiq.com/#org"},"license":"https://etfiq.com/license/","isAccessibleForFree":true,"url":"https://etfiq.com/compare/any/ibdu-vs-spsb","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":"IBDU vs SPSB","item":"https://etfiq.com/compare/any/ibdu-vs-spsb"}]},{"@type":"WebPage","name":"IBDU vs SPSB: ETF Returns, Fees and Overlap","description":"IBDU vs SPSB to Oct 28, 2026: one-year total return +1.3% against +2.2%, expense ratio 0.10% against 0.04%. 20% of their weight is in the same names.","url":"https://etfiq.com/compare/any/ibdu-vs-spsb","dateModified":"2026-10-28","isPartOf":{"@type":"WebSite","name":"ETFIQ","url":"https://etfiq.com"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".verdict",".lede",".faq"]},"publisher":{"@id":"https://etfiq.com/#org"}}],"characters":5593,"truncated":true,"content":"ETFIQ / Compare ETFs / IBDU vs SPSB \n \n Data as of Oct 28, 2026.\n ETFIQ etfiq.com \u00b7 independent ETF data \n IBDU vs SPSB: Differences, Returns & Fees\n IBDU's duration was 2.6 years on Jul 31, 2026 and SPSB's 1.8 on Jun 30, 2026; SPSB charges 0.04% to IBDU's 0.10%.\n Copy this for sharing \n SPSB costs 0.06 points a year less; their one-year returns differ by 0.9 points; SPSB is 2.8 times larger.\n IBDU and SPSB at a glance. As of Oct 28, 2026. Source: ETFIQ. IBDU SPSB \n Expense ratio 0.10% 0.04% \n Net assets, as of Oct 27, 2026 $4.0bn $11.3bn \n Total return, 1 year +1.3% +2.2% \n What it tracks Blo","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, IBDU against SPSB, data as of Oct 28, 2026. https://etfiq.com/compare/any/ibdu-vs-spsb","a":{"ticker":"IBDU","name":"iShares iBonds Dec 2029 Term Corporate ETF","issuer":"iShares","desk":"core","as_of":"2026-10-28","verdict":"IBDU tracks an index and returned +1.3% over the past year.","url":"https://etfiq.com/funds/ibdu","key_facts":[{"label":"Total return, 1 year","value":"+1.3%","as_of":"2026-10-28","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"Expense ratio","value":"0.10%","as_of":"2026-02-23","source":"485BPOS XBRL, Feb 23, 2026"},{"label":"Holdings","value":"729","as_of":"2026-10-27","source":"the issuer\u2019s daily holdings file"},{"label":"Below its high","value":"\u22120.6%","as_of":"2026-10-28","source":"ETFIQ"},{"label":"12-month yield, capital gains included, on its starting price","value":"4.5%","as_of":"2026-10-28","source":"computed by ETFIQ from Tiingo daily prices and distributions"},{"label":"Last payment (paid monthly), ex-date Oct 1, 2026","value":"$0.0883","as_of":"2026-10-01","source":"Tiingo end-of-day distributions"},{"label":"Net assets","value":"$4.0bn","as_of":"2026-10-27","source":"the issuer\u2019s own daily fund list, as of Oct 27, 2026"}]},"b":{"ticker":"SPSB","name":"State Street SPDR Portfolio Short Term Corporate Bond ETF","issuer":"State Street","desk":"core","as_of":"2026-10-28","verdict":"SPSB tracks an index of Short Term Corporate Bond and returned +2.2% over the past year.","url":"https://etfiq.com/funds/spsb","key_facts":[{"label":"Total return, 1 year","value":"+2.2%","as_of":"2026-10-28","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"Expense ratio","value":"0.04%","as_of":"2025-10-24","source":"485BPOS XBRL, Oct 24, 2025"},{"label":"Holdings","value":"1684","as_of":"2026-10-27","source":"the issuer\u2019s daily holdings file"},{"label":"Below its high","value":"\u22120.2%","as_of":"2026-10-28","source":"ETFIQ"},{"label":"12-month yield, capital gains included, on its starting price","value":"4.3%","as_of":"2026-10-28","source":"computed by ETFIQ from Tiingo daily prices and distributions"},{"label":"Last payment (paid monthly), ex-date Oct 1, 2026","value":"$0.1092","as_of":"2026-10-01","source":"Tiingo end-of-day distributions"},{"label":"Net assets","value":"$11.3bn","as_of":"2026-10-27","source":"the issuer\u2019s own daily fund list, as of Oct 27, 2026"}]},"overlap_pct":20,"full_text_at":"https://etfiq.com/compare/any/ibdu-vs-spsb"}