IEF vs SPY

Quick Verdict

SPY has a lower expense ratio. SPY delivered stronger 1-year returns. SPY offers more diversification with 503 holdings.

Lower Fees: SPYHigher Returns: SPYMore Diversified: SPY

Side-by-Side Comparison

MetricIEFSPYWinner
Expense Ratio0.15%0.09%
AUM$47.3B$789.1B
Dividend Yield3.88%1.01%
Holdings15505
YTD Return-1.36%+13.10%
1Y Return+0.63%+22.80%
3Y Return (annualized)+3.37%+20.98%
5Y Return (annualized)-1.45%+13.20%
Volatility (annualized)6.6%15.3%
Max Drawdown-23.9%-56.5%
Fund FamilyiShares by BlackRock (US)State Street Investment Management
CategoryFixed IncomeEquity
InceptionJul 22, 2002Jan 22, 1993

IEF vs SPY Performance

iShares 7-10 Year Treasury Bond ETF (IEF) is a ETF from iShares by BlackRock (US) and State Street SPDR S&P 500 ETF Trust (SPY) is a ETF from State Street Investment Management. Over the past year IEF returned +0.63% while SPY returned +22.80%. Year to date, IEF is down 1.36% versus a gain of 13.10% for SPY.

Over three years, IEF compounded at +3.37% per year against +20.98% for SPY; over five years the annualized figures are -1.45% and +13.20% respectively. Across the full 24-year window we track, SPY has the edge at +8.83% annualized vs +3.34%. Past performance does not guarantee future results.

Risk: Volatility and Drawdowns

SPY has been the more volatile fund, with annualized monthly volatility of 15.3% compared with 6.6% for IEF. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.

The deepest peak-to-trough decline in our data was -23.9% for IEF and -56.5% for SPY. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.

The two funds' monthly returns correlate at -0.11. They move independently enough that combining them can meaningfully diversify a portfolio.

Fees and Cost Over Time

IEF charges 0.15% per year while SPY charges 0.09%. On a $10,000 position that is $15 vs $9 annually, a gap of $6 per year that compounds over a long holding period. On income, IEF currently yields 3.88% against 1.01% for SPY.

Holdings Overlap

0.0%overlap

IEF and SPY share 0 holdings out of 515 unique holdings combined, representing a 0.0% weight overlap.

Moderate overlap means holding both could provide meaningful diversification benefits.

Frequently Asked Questions

Which is cheaper, IEF or SPY?

IEF has an expense ratio of 0.15% while SPY charges 0.09%. SPY is the cheaper option. On a $10,000 investment, that is $6 per year of difference.

Which performed better, IEF or SPY?

Over the past year IEF returned +0.63% vs +22.80% for SPY, so SPY leads on 1-year performance. Over the longest common window we track (24 years), IEF annualized +3.34% vs +8.83% for SPY. Past performance does not guarantee future results.

Which is riskier, IEF or SPY?

SPY has been the more volatile fund at 15.3% annualized versus 6.6% for IEF. Worst drawdown: IEF -23.9% vs SPY -56.5%.

Should I hold both IEF and SPY?

IEF and SPY have a monthly-return correlation of -0.11, so combining them can provide real diversification depending on your allocation goals.

What is the holdings overlap between IEF and SPY?

IEF and SPY share 0 common holdings with a 0.0% weight overlap. Combined, they hold 515 unique securities.

Which pays a higher dividend, IEF or SPY?

IEF yields 3.88% while SPY yields 1.01%, so IEF currently pays the higher dividend yield.

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