SWMCX vs. VIMAX

Last updated Jun 23, 2026

SWMCX (Schwab U.S. Mid-Cap Index Fund) and VIMAX (Vanguard Mid-Cap Index Fund Admiral Shares) are both Mid Cap Blend Equities funds. Over the past 5 years, SWMCX returned 8.82%/yr vs 8.42%/yr for VIMAX. With a 0.99 correlation, they move nearly in lockstep. SWMCX charges 0.04%/yr vs 0.05%/yr for VIMAX.

Performance

SWMCX vs. VIMAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Schwab U.S. Mid-Cap Index Fund (SWMCX) and Vanguard Mid-Cap Index Fund Admiral Shares (VIMAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SWMCX achieves a 13.41% return, which is significantly higher than VIMAX's 10.87% return.

SWMCX

• 1D: 1.05%
• 1M: 2.84%
• YTD: 13.41%
• 6M: 11.55%
• 1Y: 22.93%
• 3Y*: 16.36%
• 5Y*: 8.82%
• 10Y*: —

VIMAX

• 1D: 0.74%
• 1M: 2.62%
• YTD: 10.87%
• 6M: 9.30%
• 1Y: 19.27%
• 3Y*: 15.56%
• 5Y*: 8.42%
• 10Y*: 11.66%

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

SWMCX vs. VIMAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SWMCX Schwab U.S. Mid-Cap Index Fund	13.41%	10.54%	15.28%	17.20%	-17.31%	22.55%	17.03%	30.46%	-9.16%	0.40%
VIMAX Vanguard Mid-Cap Index Fund Admiral Shares	10.87%	11.67%	14.66%	16.53%	-18.70%	24.51%	18.18%	31.03%	-9.24%	-0.13%

Correlation

The correlation between SWMCX and VIMAX 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 (1Y) Calculated over the trailing 1-year period	0.98
Correlation (3Y) Calculated over the trailing 3-year period	0.98
Correlation (5Y) Calculated over the trailing 5-year period	0.99
Correlation (All Time) Calculated using the full available price history since Dec 19, 2017	0.99

The correlation between SWMCX and VIMAX has been stable across timeframes, ranging from 0.98 to 0.99 - a consistent structural relationship.

SWMCX vs. VIMAX - Sectors Allocation Comparison

Sectors	SWMCX	VIMAX
Industrials	18.4%	17.7%
Technology	17.2%	20.8%
Financial Services	12.5%	12.5%
Consumer Cyclical	11.2%	8.6%
Healthcare	8.7%	7.5%
Energy	7.2%	7.9%
Real Estate	7.0%	5.1%
Utilities	6.1%	7.9%
Basic Materials	4.3%	4.0%
Consumer Defensive	4.1%	4.7%
Communication Services	3.4%	3.0%

Return for Risk

SWMCX vs. VIMAX — Risk / Return Rank

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

SWMCX

SWMCX Risk / Return Rank: 46
SWMCX Sharpe Ratio Rank: 38
SWMCX Sortino Ratio Rank: 38
SWMCX Omega Ratio Rank: 35
SWMCX Calmar Ratio Rank: 60
SWMCX Martin Ratio Rank: 58

VIMAX

VIMAX Risk / Return Rank: 37
VIMAX Sharpe Ratio Rank: 33
VIMAX Sortino Ratio Rank: 32
VIMAX Omega Ratio Rank: 30
VIMAX Calmar Ratio Rank: 44
VIMAX Martin Ratio Rank: 46

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.

SWMCX vs. VIMAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Schwab U.S. Mid-Cap Index Fund (SWMCX) and Vanguard Mid-Cap Index Fund Admiral Shares (VIMAX). 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.

	SWMCX	VIMAX	Difference
Sharpe ratio: Return per unit of total volatility	1.68	1.54	+0.14
Sortino ratio: Return per unit of downside risk	2.40	2.18	+0.21
Omega ratio: Gain probability vs. loss probability	1.29	1.27	+0.02
Calmar ratio: Return relative to maximum drawdown	2.84	2.41	+0.43
Martin ratio: Return relative to average drawdown	10.84	9.08	+1.76

SWMCX vs. VIMAX - Sharpe Ratio Comparison

The current SWMCX Sharpe Ratio is 1.68, which is comparable to the VIMAX Sharpe Ratio of 1.54. The chart below compares the historical Sharpe Ratios of SWMCX and VIMAX, 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

SWMCX vs. VIMAX - Drawdown Comparison

The maximum SWMCX drawdown since its inception was -40.34%, smaller than the maximum VIMAX drawdown of -58.88%. Use the drawdown chart below to compare losses from any high point for SWMCX and VIMAX.

Drawdown Indicators

	SWMCX	VIMAX	Difference
Max Drawdown Largest peak-to-trough decline	-40.34%	-58.88%	+18.54%
Max Drawdown (1Y) Largest decline over 1 year	-8.15%	-8.13%	-0.02%
Max Drawdown (3Y) Largest decline over 3 years	-21.07%	-18.93%	-2.14%
Max Drawdown (5Y) Largest decline over 5 years	-26.09%	-27.55%	+1.46%
Max Drawdown (10Y) Largest decline over 10 years	—	-39.30%	—
Current Drawdown Current decline from peak	-0.73%	-0.84%	+0.11%
Average Drawdown Average peak-to-trough decline	-6.60%	-8.10%	+1.50%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.13%	2.16%	-0.03%

Volatility

SWMCX vs. VIMAX - Volatility Comparison

Schwab U.S. Mid-Cap Index Fund (SWMCX) and Vanguard Mid-Cap Index Fund Admiral Shares (VIMAX) have volatilities of 4.56% and 4.45%, 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

	SWMCX	VIMAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.56%	4.45%	+0.11%
Volatility (6M) Calculated over the trailing 6-month period	10.48%	9.87%	+0.61%
Volatility (1Y) Calculated over the trailing 1-year period	13.82%	12.77%	+1.05%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.32%	17.70%	+0.62%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.62%	18.95%	+1.67%

SWMCX vs. VIMAX - Expense Ratio Comparison

SWMCX has a 0.04% expense ratio, which is lower than VIMAX's 0.05% 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

SWMCX vs. VIMAX - Dividend Comparison

SWMCX's dividend yield for the trailing twelve months is around 1.87%, more than VIMAX's 1.34% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SWMCX Schwab U.S. Mid-Cap Index Fund	1.87%	2.13%	2.60%	1.49%	1.59%	2.93%	1.45%	2.44%	1.41%	0.00%	0.00%	0.00%
VIMAX Vanguard Mid-Cap Index Fund Admiral Shares	1.34%	1.51%	1.48%	1.50%	1.59%	1.11%	1.44%	1.47%	1.82%	1.35%	1.45%	1.47%

Frequently Asked Questions

Can I hold both SWMCX and VIMAX in my portfolio?

With a correlation of 0.98, SWMCX and VIMAX 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, SWMCX or VIMAX?

SWMCX has higher volatility (4.56%) compared to VIMAX (4.45%). In terms of maximum drawdown, SWMCX dropped -40.34% vs VIMAX's -58.88%.

Which has better risk-adjusted returns?

SWMCX currently has the higher Sharpe Ratio (1.68 vs 1.54), 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.