DIA vs. SPYM

Last updated Jun 4, 2026

DIA (State Street SPDR Dow Jones Industrial Average ETF Trust) and SPYM (State Street SPDR Portfolio S&P 500 ETF) are both exchange-traded funds - DIA is a Large Cap Blend Equities fund tracking the Dow Jones Industrial Average, while SPYM is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, DIA returned 13.21%/yr vs 15.62%/yr for SPYM. A 0.80 correlation means they provide meaningful diversification when combined. DIA charges 0.16%/yr vs 0.02%/yr for SPYM.

Performance

DIA vs. SPYM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street SPDR Dow Jones Industrial Average ETF Trust (DIA) and State Street SPDR Portfolio S&P 500 ETF (SPYM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DIA achieves a 6.26% return, which is significantly lower than SPYM's 10.98% return. Over the past 10 years, DIA has underperformed SPYM with an annualized return of 13.21%, while SPYM has yielded a comparatively higher 15.62% annualized return.

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%

SPYM

• 1D: -0.66%
• 1M: 5.06%
• YTD: 10.98%
• 6M: 10.98%
• 1Y: 28.09%
• 3Y*: 22.46%
• 5Y*: 13.91%
• 10Y*: 15.62%

*Multi-year figures are annualized to reflect compound growth (CAGR)

DIA vs. SPYM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%
SPYM State Street SPDR Portfolio S&P 500 ETF	10.98%	17.79%	25.00%	26.24%	-18.09%	28.78%	18.49%	31.99%	-4.78%	21.30%

Correlation

The correlation between DIA and SPYM 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	0.89
Correlation (All Time) Calculated using the full available price history since Nov 16, 2005	0.80

The correlation between DIA and SPYM has been stable across timeframes, ranging from 0.80 to 0.89 - a consistent structural relationship.

DIA vs. SPYM - Sectors Allocation Comparison

Sectors	DIA	SPYM
Financial Services	27.2%	11.1%
Industrials	18.4%	7.6%
Technology	17.1%	38.5%
Healthcare	13.1%	8.4%
Consumer Cyclical	11.6%	9.9%
Consumer Defensive	4.4%	4.6%
Basic Materials	4.0%	1.7%
Energy	2.4%	3.2%
Communication Services	1.9%	10.6%
Real Estate	-	1.8%
Utilities	-	2.5%

Return for Risk

DIA vs. SPYM — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

DIA

DIA Risk / Return Rank: 48
DIA Sharpe Ratio Rank: 50
DIA Sortino Ratio Rank: 52
DIA Omega Ratio Rank: 49
DIA Calmar Ratio Rank: 43
DIA Martin Ratio Rank: 49

SPYM

SPYM Risk / Return Rank: 70
SPYM Sharpe Ratio Rank: 71
SPYM Sortino Ratio Rank: 70
SPYM Omega Ratio Rank: 71
SPYM Calmar Ratio Rank: 62
SPYM Martin Ratio Rank: 76

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

DIA vs. SPYM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street SPDR Dow Jones Industrial Average ETF Trust (DIA) and State Street SPDR Portfolio S&P 500 ETF (SPYM). 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.

	DIA	SPYM	Difference
Sharpe ratio: Return per unit of total volatility	1.76	2.39	-0.64
Sortino ratio: Return per unit of downside risk	2.57	3.27	-0.70
Omega ratio: Gain probability vs. loss probability	1.31	1.44	-0.12
Calmar ratio: Return relative to maximum drawdown	2.18	3.17	-1.00
Martin ratio: Return relative to average drawdown	8.42	14.76	-6.34
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DIA vs. SPYM - Sharpe Ratio Comparison

The current DIA Sharpe Ratio is 1.76, which is comparable to the SPYM Sharpe Ratio of 2.39. The chart below compares the historical Sharpe Ratios of DIA and SPYM, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	DIA	SPYM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.76	2.39	-0.64
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.66	0.83	-0.17
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.76	0.87	-0.11
Sharpe Ratio (All Time) Calculated using the full available price history	0.49	0.62	-0.13

Drawdowns

DIA vs. SPYM - Drawdown Comparison

The maximum DIA drawdown since its inception was -51.87%, roughly equal to the maximum SPYM drawdown of -54.46%. Use the drawdown chart below to compare losses from any high point for DIA and SPYM.

Drawdown Indicators

	DIA	SPYM	Difference
Max Drawdown Largest peak-to-trough decline	-51.87%	-54.46%	+2.59%
Max Drawdown (1Y) Largest decline over 1 year	-9.76%	-8.90%	-0.86%
Max Drawdown (3Y) Largest decline over 3 years	-15.95%	-18.72%	+2.77%
Max Drawdown (5Y) Largest decline over 5 years	-20.76%	-24.48%	+3.72%
Max Drawdown (10Y) Largest decline over 10 years	-36.70%	-33.87%	-2.83%
Current Drawdown Current decline from peak	-1.13%	-0.66%	-0.47%
Average Drawdown Average peak-to-trough decline	-7.14%	-7.15%	+0.01%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.52%	1.91%	+0.61%

Volatility

DIA vs. SPYM - Volatility Comparison

State Street SPDR Dow Jones Industrial Average ETF Trust (DIA) and State Street SPDR Portfolio S&P 500 ETF (SPYM) have volatilities of 2.97% and 2.83%, 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.

Volatility by Period

	DIA	SPYM	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.97%	2.83%	+0.14%
Volatility (6M) Calculated over the trailing 6-month period	9.28%	8.90%	+0.38%
Volatility (1Y) Calculated over the trailing 1-year period	12.10%	11.80%	+0.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.78%	16.80%	-2.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.53%	18.00%	-0.47%

DIA vs. SPYM - Expense Ratio Comparison

DIA has a 0.16% expense ratio, which is higher than SPYM's 0.02% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

DIA vs. SPYM - Dividend Comparison

DIA's dividend yield for the trailing twelve months is around 1.38%, more than SPYM's 1.00% 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%
SPYM State Street SPDR Portfolio S&P 500 ETF	1.00%	1.13%	1.28%	1.44%	1.69%	1.25%	1.54%	1.79%	2.23%	1.75%	1.97%	1.98%

Frequently Asked Questions

Can I hold both DIA and SPYM in my portfolio?

DIA and SPYM 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.

Which is riskier, DIA or SPYM?

DIA has higher volatility (2.97%) compared to SPYM (2.83%). In terms of maximum drawdown, DIA dropped -51.87% vs SPYM's -54.46%.

Which ETF is better, DIA or SPYM?

On 10-year performance, SPYM leads with 15.62% vs 13.21% for DIA. On fees, SPYM is cheaper at 0.02% per year. On volatility, SPYM has been the lower-risk option at 2.83%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, DIA or SPYM?

Over the 10-year period, SPYM has performed better with a 15.62% return vs 13.21%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, DIA or SPYM?

SPYM is cheaper with a 0.02% expense ratio, compared with 0.16% for DIA.

Which ETF pays a higher dividend yield, DIA or SPYM?

DIA has the higher dividend yield at 1.38%, compared with 1.00% for SPYM.

What is the main difference between DIA and SPYM?

DIA is categorized as Large Cap Blend Equities, while SPYM is S&P 500. DIA tracks Dow Jones Industrial Average, while SPYM tracks S&P 500 Index. Their fees differ too: 0.16% for DIA and 0.02% for SPYM.

Which has better risk-adjusted returns?

SPYM currently has the higher Sharpe Ratio (2.39 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.