DCOR vs. SPYM

Last updated Jun 4, 2026

DCOR (Dimensional US Core Equity 1 ETF) and SPYM (State Street SPDR Portfolio S&P 500 ETF) are both exchange-traded funds - DCOR is a Large Cap Blend Equities fund actively managed by Dimensional, while SPYM is a S&P 500 fund tracking the S&P 500 Index. DCOR is actively managed, while SPYM is passively managed. Over the past year, DCOR returned 28.02% vs 28.09% for SPYM. With a 0.96 correlation, they move nearly in lockstep. DCOR charges 0.14%/yr vs 0.02%/yr for SPYM.

Performance

DCOR vs. SPYM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Dimensional US Core Equity 1 ETF (DCOR) 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, DCOR achieves a 11.56% return, which is significantly higher than SPYM's 10.98% return.

DCOR

• 1D: -0.64%
• 1M: 4.40%
• YTD: 11.56%
• 6M: 11.77%
• 1Y: 28.02%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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)

DCOR vs. SPYM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
DCOR Dimensional US Core Equity 1 ETF	11.56%	15.96%	21.19%	7.83%
SPYM State Street SPDR Portfolio S&P 500 ETF	10.98%	17.79%	25.00%	7.27%

Correlation

The correlation between DCOR and SPYM is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.96
Correlation (All Time) Calculated using the full available price history since Sep 14, 2023	0.96

The correlation between DCOR and SPYM has been stable across timeframes, ranging from 0.96 to 0.96 - a consistent structural relationship.

DCOR vs. SPYM - Sectors Allocation Comparison

Sectors	DCOR	SPYM
Technology	29.0%	38.5%
Financial Services	14.6%	11.1%
Industrials	12.1%	7.6%
Consumer Cyclical	10.6%	9.9%
Communication Services	9.1%	10.6%
Healthcare	8.7%	8.4%
Energy	5.6%	3.2%
Consumer Defensive	5.0%	4.6%
Basic Materials	2.8%	1.7%
Utilities	2.4%	2.5%
Real Estate	0.2%	1.8%

Return for Risk

DCOR vs. SPYM — Risk / Return Rank

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

DCOR

DCOR Risk / Return Rank: 72
DCOR Sharpe Ratio Rank: 72
DCOR Sortino Ratio Rank: 71
DCOR Omega Ratio Rank: 70
DCOR Calmar Ratio Rank: 68
DCOR Martin Ratio Rank: 78

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.

DCOR vs. SPYM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Dimensional US Core Equity 1 ETF (DCOR) 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.

	DCOR	SPYM	Difference
Sharpe ratio: Return per unit of total volatility	2.38	2.39	-0.01
Sortino ratio: Return per unit of downside risk	3.29	3.27	+0.02
Omega ratio: Gain probability vs. loss probability	1.43	1.44	-0.01
Calmar ratio: Return relative to maximum drawdown	3.41	3.17	+0.24
Martin ratio: Return relative to average drawdown	15.19	14.76	+0.43
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DCOR vs. SPYM - Sharpe Ratio Comparison

The current DCOR Sharpe Ratio is 2.38, which is comparable to the SPYM Sharpe Ratio of 2.39. The chart below compares the historical Sharpe Ratios of DCOR 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

	DCOR	SPYM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.38	2.39	-0.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.83	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.87	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.41	0.62	+0.80

Drawdowns

DCOR vs. SPYM - Drawdown Comparison

The maximum DCOR drawdown since its inception was -19.10%, smaller than the maximum SPYM drawdown of -54.46%. Use the drawdown chart below to compare losses from any high point for DCOR and SPYM.

Drawdown Indicators

	DCOR	SPYM	Difference
Max Drawdown Largest peak-to-trough decline	-19.10%	-54.46%	+35.36%
Max Drawdown (1Y) Largest decline over 1 year	-8.26%	-8.90%	+0.64%
Max Drawdown (3Y) Largest decline over 3 years	—	-18.72%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-24.48%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-33.87%	—
Current Drawdown Current decline from peak	-0.64%	-0.66%	+0.02%
Average Drawdown Average peak-to-trough decline	-2.20%	-7.15%	+4.95%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.85%	1.91%	-0.06%

Volatility

DCOR vs. SPYM - Volatility Comparison

Dimensional US Core Equity 1 ETF (DCOR) and State Street SPDR Portfolio S&P 500 ETF (SPYM) have volatilities of 2.90% 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

	DCOR	SPYM	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.90%	2.83%	+0.07%
Volatility (6M) Calculated over the trailing 6-month period	8.79%	8.90%	-0.11%
Volatility (1Y) Calculated over the trailing 1-year period	11.84%	11.80%	+0.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.15%	16.80%	-1.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.15%	18.00%	-2.85%

DCOR vs. SPYM - Expense Ratio Comparison

DCOR has a 0.14% 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

DCOR vs. SPYM - Dividend Comparison

DCOR's dividend yield for the trailing twelve months is around 0.91%, less than SPYM's 1.00% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DCOR Dimensional US Core Equity 1 ETF	0.91%	0.97%	0.98%	0.40%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
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 DCOR and SPYM in my portfolio?

With a correlation of 0.96, DCOR and SPYM move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, DCOR or SPYM?

DCOR has higher volatility (2.90%) compared to SPYM (2.83%). In terms of maximum drawdown, DCOR dropped -19.10% vs SPYM's -54.46%.

Which ETF is better, DCOR or SPYM?

On 1-year performance, SPYM leads with 28.09% vs 28.02% for DCOR. On fees, SPYM is cheaper at 0.02% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, DCOR or SPYM?

Over the 1-year period, SPYM has performed better with a 28.09% return vs 28.02%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, DCOR or SPYM?

SPYM is cheaper with a 0.02% expense ratio, compared with 0.14% for DCOR.

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

SPYM has the higher dividend yield at 1.00%, compared with 0.91% for DCOR.

What is the main difference between DCOR and SPYM?

DCOR is categorized as Large Cap Blend Equities, while SPYM is S&P 500. They also come from different issuers: Dimensional and State Street. Their fees differ too: 0.14% for DCOR and 0.02% for SPYM.

Which has better risk-adjusted returns?

SPYM currently has the higher Sharpe Ratio (2.39 vs 2.38), 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.