Which is cheaper, IJR or RBUF?

IJR charges 0.06% a year and RBUF charges 0.79%, so IJR is cheaper. Fees come from each fund's prospectus.

Are IJR and RBUF the same kind of fund?

No. IJR is an index ETF and RBUF is a buffer ETF, so they are built for different jobs. The table compares what both publish: return, cost and what each actually holds.

Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

IJR vs RBUF: how they differ

IJR and RBUF are measured over different days, and IJR charges 0.06% against 0.79%.

iShares Core S&P Small-Cap ETF and Innovator U.S. Small Cap 10 Buffer ETF - Quarterly.

IJR and RBUF on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	IJR iShares Core S&P Small-Cap ETF	RBUF Innovator U.S. Small Cap 10 Buffer ETF - Quarterly
Where it sits	Core index fund	Buffer ETF
Issuer	iShares	Innovator
What it is	S&P SmallCap 600	Defined outcome, 10% on IWM
Total return, 1 year	+19.9%	not published
S&P 500 over the same days	+17.5%	not published
Gap to the S&P 500	+2.4 pts	not available
Expense ratio	0.06%	0.79%
Holdings	603	not filed

IJR in plain words

IJR is an index equity fund tracking the S&P SmallCap 600. Over the year to Sep 11, 2026 it returned +19.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.06% a year. By its holdings filed for Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 603 positions, with the top ten at 6.0%. It sat 5.5% below its high of Aug 14, 2026 on Sep 11, 2026.

RBUF in plain words

From its price on Sep 12, 2026, the fund can gain about 5.3% more before it reaches its cap. Protection left, in index points: 6.2% of the 10.0% buffer still sits below today's IWM level. 19 days remained on Sep 12, 2026. On Sep 30, 2026 the period ends and a new cap is set.

Questions people ask

Which is cheaper, IJR or RBUF?: IJR charges 0.06% a year and RBUF charges 0.79%, so IJR is cheaper. Fees come from each fund's prospectus.
Are IJR and RBUF the same kind of fund?: No. IJR is an index ETF and RBUF is a buffer ETF, so they are built for different jobs. The table compares what both publish: return, cost and what each actually holds.

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Where these figures came from

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

IJR against RBUF, ETFIQ, data as of Sep 12, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, IJR against RBUF, data as of Sep 12, 2026. https://etfiq.com/compare/any/IJR-RBUF Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources