VGYAX vs. DGTSX

Last updated Jun 24, 2026

VGYAX (Vanguard Global Wellesley Income Fund Admiral Shares) and DGTSX (DFA Global Allocation 25/75 Portfolio) are both Diversified Portfolio funds. Over the past 5 years, VGYAX returned 5.18%/yr vs 5.27%/yr for DGTSX. Their correlation of 0.84 suggests significant overlap in exposure. VGYAX charges 0.28%/yr vs 0.24%/yr for DGTSX.

Performance

VGYAX vs. DGTSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Global Wellesley Income Fund Admiral Shares (VGYAX) and DFA Global Allocation 25/75 Portfolio (DGTSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with VGYAX having a 4.40% return and DGTSX slightly lower at 4.23%.

VGYAX

• 1D: -0.07%
• 1M: 0.28%
• YTD: 4.40%
• 6M: 4.36%
• 1Y: 10.93%
• 3Y*: 9.91%
• 5Y*: 5.18%
• 10Y*: —

DGTSX

• 1D: -0.07%
• 1M: 0.69%
• YTD: 4.23%
• 6M: 4.08%
• 1Y: 9.62%
• 3Y*: 8.40%
• 5Y*: 5.27%
• 10Y*: 5.28%

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

VGYAX vs. DGTSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VGYAX Vanguard Global Wellesley Income Fund Admiral Shares	4.40%	13.31%	6.15%	8.95%	-8.06%	6.58%	5.52%	13.92%	-4.31%	0.98%
DGTSX DFA Global Allocation 25/75 Portfolio	4.23%	8.39%	7.43%	8.93%	-8.06%	10.20%	7.29%	9.80%	-1.85%	0.52%

Correlation

The correlation between VGYAX and DGTSX is 0.78, 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	0.78
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (5Y) Calculated over the trailing 5-year period	0.82
Correlation (All Time) Calculated using the full available price history since Oct 18, 2017	0.84

The correlation between VGYAX and DGTSX has been stable across timeframes, ranging from 0.77 to 0.84 - a consistent structural relationship.

Return for Risk

VGYAX vs. DGTSX — Risk / Return Rank

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

VGYAX

VGYAX Risk / Return Rank: 59
VGYAX Sharpe Ratio Rank: 65
VGYAX Sortino Ratio Rank: 68
VGYAX Omega Ratio Rank: 67
VGYAX Calmar Ratio Rank: 46
VGYAX Martin Ratio Rank: 47

DGTSX

DGTSX Risk / Return Rank: 88
DGTSX Sharpe Ratio Rank: 90
DGTSX Sortino Ratio Rank: 90
DGTSX Omega Ratio Rank: 87
DGTSX Calmar Ratio Rank: 84
DGTSX Martin Ratio Rank: 90

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.

VGYAX vs. DGTSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Global Wellesley Income Fund Admiral Shares (VGYAX) and DFA Global Allocation 25/75 Portfolio (DGTSX). 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.

	VGYAX	DGTSX	Difference
Sharpe ratio: Return per unit of total volatility	2.17	2.77	-0.60
Sortino ratio: Return per unit of downside risk	3.13	4.13	-1.00
Omega ratio: Gain probability vs. loss probability	1.41	1.57	-0.15
Calmar ratio: Return relative to maximum drawdown	2.47	3.76	-1.29
Martin ratio: Return relative to average drawdown	9.29	16.52	-7.22

VGYAX vs. DGTSX - Sharpe Ratio Comparison

The current VGYAX Sharpe Ratio is 2.17, which is comparable to the DGTSX Sharpe Ratio of 2.77. The chart below compares the historical Sharpe Ratios of VGYAX and DGTSX, 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

VGYAX vs. DGTSX - Drawdown Comparison

The maximum VGYAX drawdown since its inception was -17.71%, which is greater than DGTSX's maximum drawdown of -16.71%. Use the drawdown chart below to compare losses from any high point for VGYAX and DGTSX.

Drawdown Indicators

	VGYAX	DGTSX	Difference
Max Drawdown Largest peak-to-trough decline	-17.71%	-16.71%	-1.00%
Max Drawdown (1Y) Largest decline over 1 year	-4.55%	-2.64%	-1.91%
Max Drawdown (3Y) Largest decline over 3 years	-5.34%	-7.46%	+2.12%
Max Drawdown (5Y) Largest decline over 5 years	-15.89%	-11.26%	-4.63%
Max Drawdown (10Y) Largest decline over 10 years	—	-11.26%	—
Current Drawdown Current decline from peak	-0.54%	-0.20%	-0.34%
Average Drawdown Average peak-to-trough decline	-2.64%	-1.64%	-1.00%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.21%	0.60%	+0.61%

Volatility

VGYAX vs. DGTSX - Volatility Comparison

Vanguard Global Wellesley Income Fund Admiral Shares (VGYAX) has a higher volatility of 1.53% compared to DFA Global Allocation 25/75 Portfolio (DGTSX) at 1.38%. This indicates that VGYAX's price experiences larger fluctuations and is considered to be riskier than DGTSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VGYAX	DGTSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.53%	1.38%	+0.15%
Volatility (6M) Calculated over the trailing 6-month period	4.26%	2.97%	+1.29%
Volatility (1Y) Calculated over the trailing 1-year period	5.20%	3.60%	+1.60%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.27%	5.98%	+0.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.78%	5.24%	+1.54%

VGYAX vs. DGTSX - Expense Ratio Comparison

VGYAX has a 0.28% expense ratio, which is higher than DGTSX's 0.24% expense ratio.

Dividends

VGYAX vs. DGTSX - Dividend Comparison

VGYAX's dividend yield for the trailing twelve months is around 3.97%, less than DGTSX's 5.70% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DGTSX DFA Global Allocation 25/75 Portfolio	5.70%	5.54%	7.28%	4.75%	2.77%	7.62%	2.12%	2.57%	2.99%	1.25%	1.26%	1.50%
VGYAX Vanguard Global Wellesley Income Fund Admiral Shares	3.97%	4.01%	3.90%	3.15%	1.54%	2.40%	1.99%	2.26%	4.36%	0.30%	0.00%	0.00%

Frequently Asked Questions

Can I hold both VGYAX and DGTSX in my portfolio?

VGYAX and DGTSX have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VGYAX or DGTSX?

VGYAX has higher volatility (1.53%) compared to DGTSX (1.38%). In terms of maximum drawdown, VGYAX dropped -17.71% vs DGTSX's -16.71%.

Which has better risk-adjusted returns?

DGTSX currently has the higher Sharpe Ratio (2.77 vs 2.17), 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.