Which returned more over the last year, AGG or SPY?

In the year to Sep 13, 2026, with distributions reinvested, AGG returned −0.7% and SPY returned +17.5%, so SPY returned more. One year is one year; the longer windows are in the table.

Which is cheaper, AGG or SPY?

AGG charges 0.03% a year and SPY charges 0.09%, so AGG is cheaper. Fees come from each fund's prospectus.

Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

AGG vs SPY: how they differ

AGG is a bond index fund and SPY an equity index fund, and over the year SPY returned more, +17.5% against −0.7%.

iShares Core U.S. Aggregate Bond ETF and SPDR S&P 500 ETF Trust.

AGG and SPY on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
	AGG iShares Core U.S. Aggregate Bond ETF	SPY SPDR S&P 500 ETF Trust
Where it sits	Core index fund	Core index fund
Issuer	iShares	State Street
What it is	US aggregate bonds	S&P 500
Total return, 1 year	−0.7%	+17.5%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−18.2 pts	0.0 pts
Expense ratio	0.03%	0.09%
Holdings	not filed	505

AGG in plain words

AGG is a bond fund tracking the US aggregate bonds. Over the year to Sep 11, 2026 it returned −0.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.03% a year. It sat 3.7% below its high of Aug 4, 2020 on Sep 11, 2026.

SPY in plain words

SPY is an index equity fund tracking the S&P 500. Over the year to Sep 11, 2026 it returned +17.5% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.09% a year. By its holdings filed for Sep 10, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 505 positions, with the top ten at 38.2%.

Questions people ask

Which returned more over the last year, AGG or SPY?: In the year to Sep 13, 2026, with distributions reinvested, AGG returned −0.7% and SPY returned +17.5%, so SPY returned more. One year is one year; the longer windows are in the table.
Which is cheaper, AGG or SPY?: AGG charges 0.03% a year and SPY charges 0.09%, so AGG is cheaper. Fees come from each fund's prospectus.

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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.

AGG against SPY, ETFIQ, data as of Sep 13, 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, AGG against SPY, data as of Sep 13, 2026. https://etfiq.com/compare/any/agg-vs-spy Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources