DFMC vs. VIOO

Last updated Jun 4, 2026

DFMC (Dimensional US Micro Cap Portfolio ETF) and VIOO (Vanguard S&P Small-Cap 600 ETF) are both Small Cap Blend Equities funds. DFMC is actively managed, while VIOO is passively managed. With a 0.98 correlation, they move nearly in lockstep. DFMC charges 0.41%/yr vs 0.10%/yr for VIOO.

Performance

DFMC vs. VIOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Dimensional US Micro Cap Portfolio ETF (DFMC) and Vanguard S&P Small-Cap 600 ETF (VIOO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

DFMC

• 1D: -1.12%
• 1M: 1.77%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

VIOO

• 1D: -0.88%
• 1M: 1.64%
• YTD: 15.34%
• 6M: 14.20%
• 1Y: 31.68%
• 3Y*: 14.40%
• 5Y*: 5.66%
• 10Y*: 10.67%

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

DFMC vs. VIOO - Yearly Performance Comparison

	2026 (YTD)
DFMC Dimensional US Micro Cap Portfolio ETF	11.97%
VIOO Vanguard S&P Small-Cap 600 ETF	12.63%

Correlation

The correlation between DFMC and VIOO is 0.98 - 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 (All Time) Calculated using the full available price history since Mar 24, 2026	0.98

Return for Risk

DFMC vs. VIOO — Risk / Return Rank

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

VIOO

VIOO Risk / Return Rank: 58
VIOO Sharpe Ratio Rank: 52
VIOO Sortino Ratio Rank: 54
VIOO Omega Ratio Rank: 49
VIOO Calmar Ratio Rank: 72
VIOO Martin Ratio Rank: 65

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.

DFMC vs. VIOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Dimensional US Micro Cap Portfolio ETF (DFMC) and Vanguard S&P Small-Cap 600 ETF (VIOO). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	DFMC	VIOO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	1.82	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.27	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.47	—
Sharpe Ratio (All Time) Calculated using the full available price history	4.79	0.57	+4.22

Drawdowns

DFMC vs. VIOO - Drawdown Comparison

The maximum DFMC drawdown since its inception was -4.29%, smaller than the maximum VIOO drawdown of -44.15%. Use the drawdown chart below to compare losses from any high point for DFMC and VIOO.

Drawdown Indicators

	DFMC	VIOO	Difference
Max Drawdown Largest peak-to-trough decline	-4.29%	-44.15%	+39.86%
Max Drawdown (1Y) Largest decline over 1 year	—	-8.77%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-27.93%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-27.93%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-44.15%	—
Current Drawdown Current decline from peak	-1.12%	-0.89%	-0.23%
Average Drawdown Average peak-to-trough decline	-0.84%	-7.33%	+6.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	2.62%	—

Volatility

Volatility by Period

	DFMC	VIOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	4.40%	—
Volatility (6M) Calculated over the trailing 6-month period	—	11.71%	—
Volatility (1Y) Calculated over the trailing 1-year period	16.19%	17.59%	-1.40%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.19%	21.40%	-5.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.19%	22.99%	-6.80%

DFMC vs. VIOO - Expense Ratio Comparison

DFMC has a 0.41% expense ratio, which is higher than VIOO's 0.10% expense ratio.

Dividends

DFMC vs. VIOO - Dividend Comparison

DFMC has not paid dividends to shareholders, while VIOO's dividend yield for the trailing twelve months is around 1.18%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DFMC Dimensional US Micro Cap Portfolio ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VIOO Vanguard S&P Small-Cap 600 ETF	1.18%	1.36%	1.48%	1.47%	1.51%	1.16%	1.09%	1.37%	1.32%	1.11%	1.06%	1.26%

Frequently Asked Questions

Can I hold both DFMC and VIOO in my portfolio?

With a correlation of 0.98, DFMC and VIOO 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 ETF is better, DFMC or VIOO?

On fees, VIOO is cheaper at 0.10% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, DFMC or VIOO?

VIOO is cheaper with a 0.10% expense ratio, compared with 0.41% for DFMC.

Which ETF pays a higher dividend yield, DFMC or VIOO?

VIOO has the higher dividend yield at 1.18%, compared with 0.00% for DFMC.

What is the main difference between DFMC and VIOO?

They also come from different issuers: Dimensional Fund Advisors and Vanguard. Their fees differ too: 0.41% for DFMC and 0.10% for VIOO.