OWSMX vs. MVGIX

Last updated Jun 4, 2026

OWSMX (Old Westbury Small & Mid Cap Strategies Fund) and MVGIX (MFS Low Volatility Global Equity Fund) are both Global Equities funds. Over the past 10 years, OWSMX returned 7.80%/yr vs 9.22%/yr for MVGIX. Their correlation of 0.80 suggests significant overlap in exposure. OWSMX charges 1.10%/yr vs 0.74%/yr for MVGIX.

Performance

OWSMX vs. MVGIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Old Westbury Small & Mid Cap Strategies Fund (OWSMX) and MFS Low Volatility Global Equity Fund (MVGIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OWSMX achieves a 11.72% return, which is significantly higher than MVGIX's 2.95% return. Over the past 10 years, OWSMX has underperformed MVGIX with an annualized return of 7.80%, while MVGIX has yielded a comparatively higher 9.22% annualized return.

OWSMX

• 1D: 0.52%
• 1M: 3.24%
• YTD: 11.72%
• 6M: 13.64%
• 1Y: 23.05%
• 3Y*: 15.15%
• 5Y*: 3.95%
• 10Y*: 7.80%

MVGIX

• 1D: 0.00%
• 1M: 0.28%
• YTD: 2.95%
• 6M: 3.95%
• 1Y: 10.44%
• 3Y*: 13.00%
• 5Y*: 8.71%
• 10Y*: 9.22%

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

OWSMX vs. MVGIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OWSMX Old Westbury Small & Mid Cap Strategies Fund	11.72%	18.06%	7.76%	11.67%	-22.54%	4.10%	22.11%	24.52%	-12.04%	18.20%
MVGIX MFS Low Volatility Global Equity Fund	2.95%	16.30%	12.64%	13.71%	-8.21%	16.84%	5.47%	20.59%	-2.40%	18.49%

Correlation

The correlation between OWSMX and MVGIX is 0.73, 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	0.73
Correlation (3Y) Calculated over the trailing 3-year period	0.74
Correlation (5Y) Calculated over the trailing 5-year period	0.79
Correlation (10Y) Calculated over the trailing 10-year period	0.79
Correlation (All Time) Calculated using the full available price history since Dec 9, 2013	0.80

The correlation between OWSMX and MVGIX has been stable across timeframes, ranging from 0.73 to 0.80 - a consistent structural relationship.

Return for Risk

OWSMX vs. MVGIX — Risk / Return Rank

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

OWSMX

OWSMX Risk / Return Rank: 34
OWSMX Sharpe Ratio Rank: 36
OWSMX Sortino Ratio Rank: 35
OWSMX Omega Ratio Rank: 38
OWSMX Calmar Ratio Rank: 29
OWSMX Martin Ratio Rank: 35

MVGIX

MVGIX Risk / Return Rank: 17
MVGIX Sharpe Ratio Rank: 19
MVGIX Sortino Ratio Rank: 19
MVGIX Omega Ratio Rank: 19
MVGIX Calmar Ratio Rank: 12
MVGIX Martin Ratio Rank: 14

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.

OWSMX vs. MVGIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Old Westbury Small & Mid Cap Strategies Fund (OWSMX) and MFS Low Volatility Global Equity Fund (MVGIX). 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.

	OWSMX	MVGIX	Difference
Sharpe ratio Return per unit of total volatility	1.73	1.26	+0.47
Sortino ratio Return per unit of downside risk	2.49	1.82	+0.67
Omega ratio Gain probability vs. loss probability	1.33	1.23	+0.10
Calmar ratio Return relative to maximum drawdown	2.01	1.18	+0.82
Martin ratio Return relative to average drawdown	7.80	3.94	+3.86
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OWSMX vs. MVGIX - Sharpe Ratio Comparison

The current OWSMX Sharpe Ratio is 1.73, which is higher than the MVGIX Sharpe Ratio of 1.26. The chart below compares the historical Sharpe Ratios of OWSMX and MVGIX, 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

	OWSMX	MVGIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.73	1.26	+0.47
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.25	0.83	-0.59
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.48	0.75	-0.27
Sharpe Ratio (All Time) Calculated using the full available price history	0.54	0.74	-0.20

Drawdowns

OWSMX vs. MVGIX - Drawdown Comparison

The maximum OWSMX drawdown since its inception was -38.35%, which is greater than MVGIX's maximum drawdown of -30.19%. Use the drawdown chart below to compare losses from any high point for OWSMX and MVGIX.

Drawdown Indicators

	OWSMX	MVGIX	Difference
Max Drawdown Largest peak-to-trough decline	-38.35%	-30.19%	-8.16%
Max Drawdown (1Y) Largest decline over 1 year	-11.67%	-8.65%	-3.02%
Max Drawdown (3Y) Largest decline over 3 years	-15.97%	-8.70%	-7.27%
Max Drawdown (5Y) Largest decline over 5 years	-34.57%	-18.01%	-16.56%
Max Drawdown (10Y) Largest decline over 10 years	-35.96%	-30.19%	-5.77%
Current Drawdown Current decline from peak	-0.21%	-4.35%	+4.14%
Average Drawdown Average peak-to-trough decline	-8.18%	-2.91%	-5.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.99%	2.59%	+0.40%

Volatility

OWSMX vs. MVGIX - Volatility Comparison

Old Westbury Small & Mid Cap Strategies Fund (OWSMX) has a higher volatility of 3.95% compared to MFS Low Volatility Global Equity Fund (MVGIX) at 2.02%. This indicates that OWSMX's price experiences larger fluctuations and is considered to be riskier than MVGIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OWSMX	MVGIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.95%	2.02%	+1.93%
Volatility (6M) Calculated over the trailing 6-month period	10.79%	6.26%	+4.53%
Volatility (1Y) Calculated over the trailing 1-year period	13.53%	8.14%	+5.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.18%	10.54%	+5.64%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.43%	12.39%	+4.04%

OWSMX vs. MVGIX - Expense Ratio Comparison

OWSMX has a 1.10% expense ratio, which is higher than MVGIX's 0.74% expense ratio.

Dividends

OWSMX vs. MVGIX - Dividend Comparison

OWSMX's dividend yield for the trailing twelve months is around 7.53%, less than MVGIX's 10.63% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MVGIX MFS Low Volatility Global Equity Fund	10.63%	10.94%	7.84%	1.88%	3.98%	9.43%	1.55%	2.79%	4.98%	1.95%	1.60%	1.94%
OWSMX Old Westbury Small & Mid Cap Strategies Fund	7.53%	8.41%	3.92%	0.65%	0.52%	6.04%	3.23%	4.65%	12.54%	7.43%	6.32%	10.79%

Frequently Asked Questions

Can I hold both OWSMX and MVGIX in my portfolio?

OWSMX and MVGIX have a correlation of 0.73, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OWSMX or MVGIX?

OWSMX has higher volatility (3.95%) compared to MVGIX (2.02%). In terms of maximum drawdown, OWSMX dropped -38.35% vs MVGIX's -30.19%.

Which has better risk-adjusted returns?

OWSMX currently has the higher Sharpe Ratio (1.73 vs 1.26), 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.