SPYM vs. DFIS

Last updated Jul 21, 2026

SPYM (State Street SPDR Portfolio S&P 500 ETF) and DFIS (Dimensional International Small Cap ETF) are both exchange-traded funds - SPYM is a S&P 500 fund tracking the S&P 500 Index, while DFIS is a Foreign Small & Mid Cap Equities fund actively managed by Dimensional. SPYM is passively managed, while DFIS is actively managed. Over the past 3 years, SPYM returned 19.52%/yr vs 16.78%/yr for DFIS. A 0.71 correlation means they provide meaningful diversification when combined. SPYM charges 0.02%/yr vs 0.39%/yr for DFIS.

Performance

SPYM vs. DFIS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street SPDR Portfolio S&P 500 ETF (SPYM) and Dimensional International Small Cap ETF (DFIS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SPYM achieves a 9.47% return, which is significantly higher than DFIS's 7.73% return.

SPYM

• 1D: -0.14%
• 1M: -0.60%
• 6M: 7.91%
• YTD: 9.47%
• 1Y: 19.65%
• 3Y*: 19.52%
• 5Y*: 12.89%
• 10Y*: 15.03%
• ALL TIME*: 11.15%

DFIS

• 1D: -0.65%
• 1M: -1.71%
• 6M: 3.25%
• YTD: 7.73%
• 1Y: 19.69%
• 3Y*: 16.78%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 10.66%

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

SPYM vs. DFIS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
SPYM State Street SPDR Portfolio S&P 500 ETF	9.47%	17.79%	25.00%	26.24%	-12.69%
DFIS Dimensional International Small Cap ETF	7.73%	37.49%	3.80%	15.19%	-12.50%

Correlation

The correlation between SPYM and DFIS is 0.70, 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	0.70
Correlation (3Y) Calculated over the trailing 3-year period	0.66
Correlation (All Time) Calculated using the full available price history since Mar 24, 2022	0.71

The correlation between SPYM and DFIS has been stable across timeframes, ranging from 0.66 to 0.71 - a consistent structural relationship.

SPYM vs. DFIS - Sectors Allocation Comparison

Sectors	SPYM	DFIS
Technology	38.5%	9.4%
Financial Services	11.6%	12.5%
Communication Services	9.9%	3.5%
Consumer Cyclical	9.5%	13.8%
Healthcare	8.9%	5.5%
Industrials	8.4%	24.4%
Consumer Defensive	4.5%	5.3%
Energy	3.0%	5.3%
Utilities	2.2%	3.1%
Real Estate	1.8%	3.5%
Basic Materials	1.7%	13.8%

Return for Risk

SPYM vs. DFIS — Risk / Return Rank

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

SPYM

SPYM Risk / Return Rank: 64
SPYM Sharpe Ratio Rank: 64
SPYM Sortino Ratio Rank: 62
SPYM Omega Ratio Rank: 63
SPYM Calmar Ratio Rank: 59
SPYM Martin Ratio Rank: 72

DFIS

DFIS Risk / Return Rank: 47
DFIS Sharpe Ratio Rank: 50
DFIS Sortino Ratio Rank: 49
DFIS Omega Ratio Rank: 48
DFIS Calmar Ratio Rank: 41
DFIS Martin Ratio Rank: 47

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.

SPYM vs. DFIS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street SPDR Portfolio S&P 500 ETF (SPYM) and Dimensional International Small Cap ETF (DFIS). 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.

	SPYM	DFIS	Difference
Sharpe ratio: Return per unit of total volatility	1.57	1.31	+0.26
Sortino ratio: Return per unit of downside risk	2.19	1.88	+0.30
Omega ratio: Gain probability vs. loss probability	1.28	1.23	+0.05
Calmar ratio: Return relative to maximum drawdown	2.22	1.59	+0.63
Martin ratio: Return relative to average drawdown	9.63	5.79	+3.83

SPYM vs. DFIS - Sharpe Ratio Comparison

The current SPYM Sharpe Ratio is 1.57, which is comparable to the DFIS Sharpe Ratio of 1.31. The chart below compares the historical Sharpe Ratios of SPYM and DFIS, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

SPYM vs. DFIS - Drawdown Comparison

The maximum SPYM drawdown since its inception was -54.46%, which is greater than DFIS's maximum drawdown of -27.23%. Use the drawdown chart below to compare losses from any high point for SPYM and DFIS.

Drawdown Indicators

	SPYM	DFIS	Difference
Max Drawdown Largest peak-to-trough decline	-54.46%	-27.23%	-27.23%
Max Drawdown (1Y) Largest decline over 1 year	-8.90%	-12.44%	+3.54%
Max Drawdown (3Y) Largest decline over 3 years	-18.72%	-13.55%	-5.17%
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	-2.01%	-4.17%	+2.16%
Average Drawdown Average peak-to-trough decline	-7.12%	-6.08%	-1.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.05%	3.41%	-1.36%

Volatility

SPYM vs. DFIS - Volatility Comparison

The current volatility for State Street SPDR Portfolio S&P 500 ETF (SPYM) is 3.43%, while Dimensional International Small Cap ETF (DFIS) has a volatility of 3.66%. This indicates that SPYM experiences smaller price fluctuations and is considered to be less risky than DFIS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SPYM	DFIS	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.43%	3.66%	-0.23%
Volatility (6M) Calculated over the trailing 6-month period	10.04%	13.01%	-2.97%
Volatility (1Y) Calculated over the trailing 1-year period	12.60%	15.16%	-2.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.90%	17.27%	-0.37%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.00%	17.27%	+0.73%

SPYM vs. DFIS - Expense Ratio Comparison

SPYM has a 0.02% expense ratio, which is lower than DFIS's 0.39% expense ratio.

Dividends

SPYM vs. DFIS - Dividend Comparison

SPYM's dividend yield for the trailing twelve months is around 1.04%, less than DFIS's 2.04% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DFIS Dimensional International Small Cap ETF	2.04%	2.23%	2.19%	2.36%	1.13%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SPYM State Street SPDR Portfolio S&P 500 ETF	1.04%	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 SPYM and DFIS in my portfolio?

SPYM and DFIS have a correlation of 0.70, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SPYM or DFIS?

DFIS has higher volatility (3.66%) compared to SPYM (3.43%). In terms of maximum drawdown, SPYM dropped -54.46% vs DFIS's -27.23%.

Which ETF is better, SPYM or DFIS?

On 3-year performance, SPYM leads with 19.52% vs 16.78% for DFIS. On fees, SPYM is cheaper at 0.02% per year. On volatility, SPYM has been the lower-risk option at 3.43%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SPYM or DFIS?

Over the 3-year period, SPYM has performed better with a 19.52% return vs 16.78%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SPYM or DFIS?

SPYM is cheaper with a 0.02% expense ratio, compared with 0.39% for DFIS.

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

DFIS has the higher dividend yield at 2.04%, compared with 1.04% for SPYM.

What is the main difference between SPYM and DFIS?

SPYM is categorized as S&P 500, while DFIS is Foreign Small & Mid Cap Equities. They also come from different issuers: State Street and Dimensional. Their fees differ too: 0.02% for SPYM and 0.39% for DFIS.

Which has better risk-adjusted returns?

SPYM currently has the higher Sharpe Ratio (1.57 vs 1.31), 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.