NDVAX vs. VSMVX

Last updated Jun 24, 2026

NDVAX (MFS New Discovery Value Fund Class A) and VSMVX (Vanguard S&P Small-Cap 600 Value Index Fund Institutional Shares) are both Small Cap Value Equities funds. Over the past 10 years, NDVAX returned 10.93%/yr vs 10.71%/yr for VSMVX. With a 0.96 correlation, they move nearly in lockstep. NDVAX charges 1.21%/yr vs 0.08%/yr for VSMVX.

Performance

NDVAX vs. VSMVX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS New Discovery Value Fund Class A (NDVAX) and Vanguard S&P Small-Cap 600 Value Index Fund Institutional Shares (VSMVX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NDVAX achieves a 12.22% return, which is significantly lower than VSMVX's 17.74% return. Both investments have delivered pretty close results over the past 10 years, with NDVAX having a 10.93% annualized return and VSMVX not far behind at 10.71%.

NDVAX

• 1D: 0.27%
• 1M: 2.98%
• YTD: 12.22%
• 6M: 10.30%
• 1Y: 20.53%
• 3Y*: 12.15%
• 5Y*: 5.59%
• 10Y*: 10.93%

VSMVX

• 1D: -0.23%
• 1M: 3.22%
• YTD: 17.74%
• 6M: 16.42%
• 1Y: 38.16%
• 3Y*: 15.49%
• 5Y*: 6.61%
• 10Y*: 10.71%

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

NDVAX vs. VSMVX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NDVAX MFS New Discovery Value Fund Class A	12.22%	2.16%	9.07%	10.92%	-11.02%	33.30%	5.44%	33.31%	-11.40%	14.62%
VSMVX Vanguard S&P Small-Cap 600 Value Index Fund Institutional Shares	17.74%	6.38%	7.53%	14.85%	-11.12%	30.85%	2.79%	24.47%	-12.67%	11.64%

Correlation

The correlation between NDVAX and VSMVX is 0.94, 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	0.94
Correlation (3Y) Calculated over the trailing 3-year period	0.96
Correlation (5Y) Calculated over the trailing 5-year period	0.96
Correlation (10Y) Calculated over the trailing 10-year period	0.96
Correlation (All Time) Calculated using the full available price history since Dec 17, 2012	0.96

The correlation between NDVAX and VSMVX has been stable across timeframes, ranging from 0.94 to 0.96 - a consistent structural relationship.

Return for Risk

NDVAX vs. VSMVX — Risk / Return Rank

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

NDVAX

NDVAX Risk / Return Rank: 28
NDVAX Sharpe Ratio Rank: 26
NDVAX Sortino Ratio Rank: 27
NDVAX Omega Ratio Rank: 24
NDVAX Calmar Ratio Rank: 32
NDVAX Martin Ratio Rank: 30

VSMVX

VSMVX Risk / Return Rank: 71
VSMVX Sharpe Ratio Rank: 65
VSMVX Sortino Ratio Rank: 67
VSMVX Omega Ratio Rank: 54
VSMVX Calmar Ratio Rank: 90
VSMVX Martin Ratio Rank: 82

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.

NDVAX vs. VSMVX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS New Discovery Value Fund Class A (NDVAX) and Vanguard S&P Small-Cap 600 Value Index Fund Institutional Shares (VSMVX). 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.

	NDVAX	VSMVX	Difference
Sharpe ratio: Return per unit of total volatility	1.32	2.17	-0.85
Sortino ratio: Return per unit of downside risk	1.99	3.09	-1.10
Omega ratio: Gain probability vs. loss probability	1.23	1.37	-0.14
Calmar ratio: Return relative to maximum drawdown	2.01	4.28	-2.27
Martin ratio: Return relative to average drawdown	6.45	14.20	-7.75

NDVAX vs. VSMVX - Sharpe Ratio Comparison

The current NDVAX Sharpe Ratio is 1.32, which is lower than the VSMVX Sharpe Ratio of 2.17. The chart below compares the historical Sharpe Ratios of NDVAX and VSMVX, 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

NDVAX vs. VSMVX - Drawdown Comparison

The maximum NDVAX drawdown since its inception was -44.06%, smaller than the maximum VSMVX drawdown of -47.61%. Use the drawdown chart below to compare losses from any high point for NDVAX and VSMVX.

Drawdown Indicators

	NDVAX	VSMVX	Difference
Max Drawdown Largest peak-to-trough decline	-44.06%	-47.61%	+3.55%
Max Drawdown (1Y) Largest decline over 1 year	-10.90%	-9.33%	-1.57%
Max Drawdown (3Y) Largest decline over 3 years	-25.67%	-28.81%	+3.14%
Max Drawdown (5Y) Largest decline over 5 years	-25.67%	-28.81%	+3.14%
Max Drawdown (10Y) Largest decline over 10 years	-44.06%	-47.61%	+3.55%
Current Drawdown Current decline from peak	0.00%	-1.37%	+1.37%
Average Drawdown Average peak-to-trough decline	-6.19%	-7.62%	+1.43%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.39%	2.81%	+0.58%

Volatility

NDVAX vs. VSMVX - Volatility Comparison

The current volatility for MFS New Discovery Value Fund Class A (NDVAX) is 4.23%, while Vanguard S&P Small-Cap 600 Value Index Fund Institutional Shares (VSMVX) has a volatility of 4.80%. This indicates that NDVAX experiences smaller price fluctuations and is considered to be less risky than VSMVX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NDVAX	VSMVX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.23%	4.80%	-0.57%
Volatility (6M) Calculated over the trailing 6-month period	11.70%	11.86%	-0.16%
Volatility (1Y) Calculated over the trailing 1-year period	16.63%	18.42%	-1.79%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.04%	21.97%	-1.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.88%	24.15%	-2.27%

NDVAX vs. VSMVX - Expense Ratio Comparison

NDVAX has a 1.21% expense ratio, which is higher than VSMVX's 0.08% expense ratio.

Dividends

NDVAX vs. VSMVX - Dividend Comparison

NDVAX's dividend yield for the trailing twelve months is around 9.47%, more than VSMVX's 1.61% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NDVAX MFS New Discovery Value Fund Class A	9.47%	10.62%	6.38%	6.06%	8.07%	9.19%	3.82%	4.60%	7.86%	5.16%	4.29%	3.15%
VSMVX Vanguard S&P Small-Cap 600 Value Index Fund Institutional Shares	1.61%	1.45%	1.85%	1.92%	1.88%	1.66%	1.46%	1.65%	1.89%	1.55%	1.26%	1.42%

Frequently Asked Questions

Can I hold both NDVAX and VSMVX in my portfolio?

With a correlation of 0.94, NDVAX and VSMVX 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, NDVAX or VSMVX?

VSMVX has higher volatility (4.80%) compared to NDVAX (4.23%). In terms of maximum drawdown, NDVAX dropped -44.06% vs VSMVX's -47.61%.

Which has better risk-adjusted returns?

VSMVX currently has the higher Sharpe Ratio (2.17 vs 1.32), 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.