IJR vs. SPY
IJR (iShares Core S&P Small-Cap ETF) and SPY (State Street SPDR S&P 500 ETF) are both exchange-traded funds - IJR is a Small Cap Blend Equities fund tracking the S&P SmallCap 600 Index, while SPY is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, IJR returned 11.16%/yr vs 15.42%/yr for SPY. Their correlation of 0.84 suggests significant overlap in exposure. IJR charges 0.06%/yr vs 0.09%/yr for SPY.
Performance
IJR vs. SPY - Performance Comparison
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Returns By Period
In the year-to-date period, IJR achieves a 19.73% return, which is significantly higher than SPY's 9.07% return. Over the past 10 years, IJR has underperformed SPY with an annualized return of 11.16%, while SPY has yielded a comparatively higher 15.42% annualized return.
IJR
- 1D
- 0.97%
- 1M
- 5.53%
- YTD
- 19.73%
- 6M
- 16.47%
- 1Y
- 37.01%
- 3Y*
- 14.75%
- 5Y*
- 6.25%
- 10Y*
- 11.16%
SPY
- 1D
- 0.54%
- 1M
- -0.86%
- YTD
- 9.07%
- 6M
- 9.42%
- 1Y
- 25.67%
- 3Y*
- 20.86%
- 5Y*
- 13.36%
- 10Y*
- 15.42%
IJR vs. SPY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IJR iShares Core S&P Small-Cap ETF | 19.73% | 5.89% | 8.63% | 16.06% | -16.20% | 26.58% | 11.28% | 22.82% | -8.51% | 13.15% |
SPY State Street SPDR S&P 500 ETF | 9.07% | 17.72% | 24.89% | 26.18% | -18.18% | 28.73% | 18.33% | 31.22% | -4.57% | 21.71% |
Correlation
The correlation between IJR and SPY is 0.74, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.74 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.74 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.79 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.78 |
Correlation (All Time) Calculated using the full available price history since May 26, 2000 | 0.84 |
The correlation between IJR and SPY has been stable across timeframes, ranging from 0.74 to 0.84 - a consistent structural relationship.
IJR vs. SPY - Sectors Allocation Comparison
Sectors
IJR
SPY
Financial Services
Industrials
Technology
Consumer Cyclical
Healthcare
Real Estate
Energy
Basic Materials
Communication Services
Consumer Defensive
Utilities
Financial Services
IJR
SPY
Industrials
IJR
SPY
Technology
IJR
SPY
Consumer Cyclical
IJR
SPY
Healthcare
IJR
SPY
Real Estate
IJR
SPY
Energy
IJR
SPY
Basic Materials
IJR
SPY
Communication Services
IJR
SPY
Consumer Defensive
IJR
SPY
Utilities
IJR
SPY
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Return for Risk
IJR vs. SPY — Risk / Return Rank
IJR
SPY
IJR vs. SPY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Core S&P Small-Cap ETF (IJR) and State Street SPDR S&P 500 ETF (SPY). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| IJR | SPY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.04 | ||
| Sortino ratioReturn per unit of downside risk | +0.12 | ||
| Omega ratioGain probability vs. loss probability | 1.33 | 1.36 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 3.97 | 2.74 | +1.23 |
| Martin ratioReturn relative to average drawdown | 13.35 | 12.39 | +0.96 |
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Drawdowns
IJR vs. SPY - Drawdown Comparison
The maximum IJR drawdown since its inception was -58.15%, which is greater than SPY's maximum drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for IJR and SPY.
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Drawdown Indicators
| IJR | SPY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.15% | -55.19% | -2.96% |
Max Drawdown (1Y)Largest decline over 1 year | -8.68% | -8.88% | +0.20% |
Max Drawdown (3Y)Largest decline over 3 years | -28.02% | -18.76% | -9.26% |
Max Drawdown (5Y)Largest decline over 5 years | -28.02% | -24.50% | -3.52% |
Max Drawdown (10Y)Largest decline over 10 years | -44.36% | -33.72% | -10.64% |
Current DrawdownCurrent decline from peak | 0.00% | -2.35% | +2.35% |
Average DrawdownAverage peak-to-trough decline | -9.27% | -9.04% | -0.23% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.59% | 1.97% | +0.62% |
Volatility
IJR vs. SPY - Volatility Comparison
iShares Core S&P Small-Cap ETF (IJR) has a higher volatility of 5.18% compared to State Street SPDR S&P 500 ETF (SPY) at 4.34%. This indicates that IJR's price experiences larger fluctuations and is considered to be riskier than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IJR | SPY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.18% | 4.34% | +0.84% |
Volatility (6M)Calculated over the trailing 6-month period | 11.97% | 9.58% | +2.39% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.76% | 12.29% | +5.47% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.43% | 17.12% | +4.31% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.92% | 17.96% | +4.96% |
IJR vs. SPY - Expense Ratio Comparison
IJR has a 0.06% expense ratio, which is lower than SPY's 0.09% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
IJR vs. SPY - Dividend Comparison
IJR's dividend yield for the trailing twelve months is around 1.11%, more than SPY's 1.00% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IJR iShares Core S&P Small-Cap ETF | 1.11% | 1.44% | 2.05% | 1.31% | 1.41% | 1.53% | 1.11% | 1.44% | 1.58% | 1.20% | 1.22% | 1.48% |
SPY State Street SPDR S&P 500 ETF | 1.00% | 1.07% | 1.21% | 1.40% | 1.65% | 1.20% | 1.52% | 1.75% | 2.04% | 1.80% | 2.03% | 2.06% |
Frequently Asked Questions
IJR and SPY have a correlation of 0.74, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IJR has higher volatility (5.18%) compared to SPY (4.34%). In terms of maximum drawdown, IJR dropped -58.15% vs SPY's -55.19%.
On 10-year performance, SPY leads with 15.42% vs 11.16% for IJR. On fees, IJR is cheaper at 0.06% per year. On volatility, SPY has been the lower-risk option at 4.34%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, SPY has performed better with a 15.42% return vs 11.16%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IJR is cheaper with a 0.06% expense ratio, compared with 0.09% for SPY.
IJR has the higher dividend yield at 1.11%, compared with 1.00% for SPY.
IJR is categorized as Small Cap Blend Equities, while SPY is S&P 500. IJR tracks S&P SmallCap 600 Index, while SPY tracks S&P 500 Index. They also come from different issuers: iShares and State Street. Their fees differ too: 0.06% for IJR and 0.09% for SPY.
SPY currently has the higher Sharpe Ratio (1.98 vs 1.94), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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