SPY vs. DIA
SPY (State Street SPDR S&P 500 ETF) and DIA (State Street SPDR Dow Jones Industrial Average ETF Trust) are both exchange-traded funds - SPY is a S&P 500 fund tracking the S&P 500 Index, while DIA is a Large Cap Blend Equities fund tracking the Dow Jones Industrial Average. Both are passively managed. Over the past 10 years, SPY returned 15.49%/yr vs 13.21%/yr for DIA. Their correlation of 0.92 suggests significant overlap in exposure. SPY charges 0.09%/yr vs 0.16%/yr for DIA.
Performance
SPY vs. DIA - Performance Comparison
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Returns By Period
In the year-to-date period, SPY achieves a 10.91% return, which is significantly higher than DIA's 6.26% return. Over the past 10 years, SPY has outperformed DIA with an annualized return of 15.49%, while DIA has yielded a comparatively lower 13.21% annualized return.
SPY
- 1D
- -0.70%
- 1M
- 5.05%
- YTD
- 10.91%
- 6M
- 10.91%
- 1Y
- 27.98%
- 3Y*
- 22.35%
- 5Y*
- 13.83%
- 10Y*
- 15.49%
DIA
- 1D
- -1.13%
- 1M
- 3.88%
- YTD
- 6.26%
- 6M
- 6.75%
- 1Y
- 21.13%
- 3Y*
- 16.45%
- 5Y*
- 9.76%
- 10Y*
- 13.21%
SPY vs. DIA - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SPY State Street SPDR S&P 500 ETF | 10.91% | 17.72% | 24.89% | 26.18% | -18.18% | 28.73% | 18.33% | 31.22% | -4.57% | 21.71% |
DIA State Street SPDR Dow Jones Industrial Average ETF Trust | 6.26% | 14.71% | 14.82% | 16.02% | -7.02% | 20.83% | 9.59% | 24.70% | -3.74% | 28.08% |
Correlation
The correlation between SPY and DIA is 0.83, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.83 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.82 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.88 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.90 |
Correlation (All Time) Calculated using the full available price history since Jan 21, 1998 | 0.92 |
The correlation between SPY and DIA shifts across timeframes, from 0.82 (3 years) to 0.92 (all time), reflecting how their relationship changes across market environments.
SPY vs. DIA - Sectors Allocation Comparison
Sectors
SPY
DIA
Technology
Financial Services
Communication Services
Consumer Cyclical
Healthcare
Industrials
Consumer Defensive
Energy
Utilities
-
Real Estate
-
Basic Materials
Technology
SPY
DIA
Financial Services
SPY
DIA
Communication Services
SPY
DIA
Consumer Cyclical
SPY
DIA
Healthcare
SPY
DIA
Industrials
SPY
DIA
Consumer Defensive
SPY
DIA
Energy
SPY
DIA
Utilities
SPY
DIA
-
Real Estate
SPY
DIA
-
Basic Materials
SPY
DIA
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Return for Risk
SPY vs. DIA — Risk / Return Rank
SPY
DIA
SPY vs. DIA - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for State Street SPDR S&P 500 ETF (SPY) and State Street SPDR Dow Jones Industrial Average ETF Trust (DIA). 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.
| SPY | DIA | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.62 | ||
| Sortino ratioReturn per unit of downside risk | +0.67 | ||
| Omega ratioGain probability vs. loss probability | 1.43 | 1.31 | +0.12 |
| Calmar ratioReturn relative to maximum drawdown | 3.16 | 2.18 | +0.99 |
| Martin ratioReturn relative to average drawdown | 14.72 | 8.42 | +6.30 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| SPY | DIA | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.38 | 1.76 | +0.62 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.82 | 0.66 | +0.15 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.87 | 0.76 | +0.11 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.59 | 0.49 | +0.10 |
Drawdowns
SPY vs. DIA - Drawdown Comparison
The maximum SPY drawdown since its inception was -55.19%, which is greater than DIA's maximum drawdown of -51.87%. Use the drawdown chart below to compare losses from any high point for SPY and DIA.
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Drawdown Indicators
| SPY | DIA | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.19% | -51.87% | -3.32% |
Max Drawdown (1Y)Largest decline over 1 year | -8.88% | -9.76% | +0.88% |
Max Drawdown (3Y)Largest decline over 3 years | -18.76% | -15.95% | -2.81% |
Max Drawdown (5Y)Largest decline over 5 years | -24.50% | -20.76% | -3.74% |
Max Drawdown (10Y)Largest decline over 10 years | -33.72% | -36.70% | +2.98% |
Current DrawdownCurrent decline from peak | -0.70% | -1.13% | +0.43% |
Average DrawdownAverage peak-to-trough decline | -9.05% | -7.14% | -1.91% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.91% | 2.52% | -0.61% |
Volatility
SPY vs. DIA - Volatility Comparison
State Street SPDR S&P 500 ETF (SPY) and State Street SPDR Dow Jones Industrial Average ETF Trust (DIA) have volatilities of 2.84% and 2.97%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SPY | DIA | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.84% | 2.97% | -0.13% |
Volatility (6M)Calculated over the trailing 6-month period | 8.90% | 9.28% | -0.38% |
Volatility (1Y)Calculated over the trailing 1-year period | 11.83% | 12.10% | -0.27% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.05% | 14.78% | +2.27% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.94% | 17.53% | +0.41% |
SPY vs. DIA - Expense Ratio Comparison
SPY has a 0.09% expense ratio, which is lower than DIA's 0.16% 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
SPY vs. DIA - Dividend Comparison
SPY's dividend yield for the trailing twelve months is around 0.98%, less than DIA's 1.38% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DIA State Street SPDR Dow Jones Industrial Average ETF Trust | 1.38% | 1.43% | 1.61% | 1.81% | 1.91% | 1.58% | 1.87% | 1.85% | 2.24% | 1.97% | 2.26% | 2.33% |
SPY State Street SPDR S&P 500 ETF | 0.98% | 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
SPY and DIA have a correlation of 0.83, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
DIA has higher volatility (2.97%) compared to SPY (2.84%). In terms of maximum drawdown, SPY dropped -55.19% vs DIA's -51.87%.
On 10-year performance, SPY leads with 15.49% vs 13.21% for DIA. On fees, SPY is cheaper at 0.09% per year. On volatility, SPY has been the lower-risk option at 2.84%. 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 15.49% return vs 13.21%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SPY is cheaper with a 0.09% expense ratio, compared with 0.16% for DIA.
DIA has the higher dividend yield at 1.38%, compared with 0.98% for SPY.
SPY is categorized as S&P 500, while DIA is Large Cap Blend Equities. SPY tracks S&P 500 Index, while DIA tracks Dow Jones Industrial Average. Their fees differ too: 0.09% for SPY and 0.16% for DIA.
SPY currently has the higher Sharpe Ratio (2.38 vs 1.76), 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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