VGYAX vs. NWQIX

Last updated Jun 4, 2026

VGYAX (Vanguard Global Wellesley Income Fund Admiral Shares) and NWQIX (Nuveen Flexible Income Fund) are both Diversified Portfolio funds. Over the past 5 years, VGYAX returned 5.07%/yr vs 4.54%/yr for NWQIX. A 0.74 correlation means they provide meaningful diversification when combined. VGYAX charges 0.28%/yr vs 0.70%/yr for NWQIX.

Performance

VGYAX vs. NWQIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Global Wellesley Income Fund Admiral Shares (VGYAX) and Nuveen Flexible Income Fund (NWQIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VGYAX achieves a 4.14% return, which is significantly lower than NWQIX's 5.19% return.

VGYAX

• 1D: 0.23%
• 1M: 1.20%
• YTD: 4.14%
• 6M: 4.85%
• 1Y: 11.27%
• 3Y*: 9.89%
• 5Y*: 5.07%
• 10Y*: —

NWQIX

• 1D: 0.15%
• 1M: 1.57%
• YTD: 5.19%
• 6M: 6.53%
• 1Y: 15.18%
• 3Y*: 10.84%
• 5Y*: 4.54%
• 10Y*: 5.68%

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

VGYAX vs. NWQIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VGYAX Vanguard Global Wellesley Income Fund Admiral Shares	4.14%	13.31%	6.15%	8.95%	-8.06%	6.58%	5.52%	13.92%	-4.31%	0.98%
NWQIX Nuveen Flexible Income Fund	5.19%	12.22%	6.03%	11.61%	-13.64%	4.94%	5.54%	18.57%	-4.07%	0.68%

Correlation

The correlation between VGYAX and NWQIX is 0.67, 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	0.67
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (5Y) Calculated over the trailing 5-year period	0.78
Correlation (All Time) Calculated using the full available price history since Oct 19, 2017	0.74

The correlation between VGYAX and NWQIX shifts across timeframes, from 0.67 (1 year) to 0.78 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

VGYAX vs. NWQIX — Risk / Return Rank

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

VGYAX

VGYAX Risk / Return Rank: 54
VGYAX Sharpe Ratio Rank: 58
VGYAX Sortino Ratio Rank: 60
VGYAX Omega Ratio Rank: 61
VGYAX Calmar Ratio Rank: 43
VGYAX Martin Ratio Rank: 45

NWQIX

NWQIX Risk / Return Rank: 97
NWQIX Sharpe Ratio Rank: 98
NWQIX Sortino Ratio Rank: 98
NWQIX Omega Ratio Rank: 97
NWQIX Calmar Ratio Rank: 93
NWQIX Martin Ratio Rank: 97

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. NWQIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Global Wellesley Income Fund Admiral Shares (VGYAX) and Nuveen Flexible Income Fund (NWQIX). 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.

	VGYAX	NWQIX	Difference
Sharpe ratio: Return per unit of total volatility	2.25	4.06	-1.81
Sortino ratio: Return per unit of downside risk	3.25	6.50	-3.25
Omega ratio: Gain probability vs. loss probability	1.44	1.93	-0.49
Calmar ratio: Return relative to maximum drawdown	2.51	5.31	-2.80
Martin ratio: Return relative to average drawdown	9.48	25.30	-15.83
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VGYAX vs. NWQIX - Sharpe Ratio Comparison

The current VGYAX Sharpe Ratio is 2.25, which is lower than the NWQIX Sharpe Ratio of 4.06. The chart below compares the historical Sharpe Ratios of VGYAX and NWQIX, 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

	VGYAX	NWQIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.25	4.06	-1.81
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.82	0.80	+0.01
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.90	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.77	0.77	+0.01

Drawdowns

VGYAX vs. NWQIX - Drawdown Comparison

The maximum VGYAX drawdown since its inception was -17.71%, smaller than the maximum NWQIX drawdown of -23.89%. Use the drawdown chart below to compare losses from any high point for VGYAX and NWQIX.

Drawdown Indicators

	VGYAX	NWQIX	Difference
Max Drawdown Largest peak-to-trough decline	-17.71%	-23.89%	+6.18%
Max Drawdown (1Y) Largest decline over 1 year	-4.55%	-2.94%	-1.61%
Max Drawdown (3Y) Largest decline over 3 years	-5.34%	-4.59%	-0.75%
Max Drawdown (5Y) Largest decline over 5 years	-15.89%	-17.75%	+1.86%
Max Drawdown (10Y) Largest decline over 10 years	—	-23.89%	—
Current Drawdown Current decline from peak	-0.68%	0.00%	-0.68%
Average Drawdown Average peak-to-trough decline	-2.65%	-3.01%	+0.36%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.20%	0.61%	+0.59%

Volatility

VGYAX vs. NWQIX - Volatility Comparison

Vanguard Global Wellesley Income Fund Admiral Shares (VGYAX) has a higher volatility of 1.61% compared to Nuveen Flexible Income Fund (NWQIX) at 1.22%. This indicates that VGYAX's price experiences larger fluctuations and is considered to be riskier than NWQIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VGYAX	NWQIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.61%	1.22%	+0.39%
Volatility (6M) Calculated over the trailing 6-month period	4.15%	3.06%	+1.09%
Volatility (1Y) Calculated over the trailing 1-year period	5.07%	3.85%	+1.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.25%	5.68%	+0.57%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.79%	6.33%	+0.46%

VGYAX vs. NWQIX - Expense Ratio Comparison

VGYAX has a 0.28% expense ratio, which is lower than NWQIX's 0.70% expense ratio.

Dividends

VGYAX vs. NWQIX - Dividend Comparison

VGYAX's dividend yield for the trailing twelve months is around 3.92%, less than NWQIX's 5.93% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NWQIX Nuveen Flexible Income Fund	5.93%	6.52%	5.20%	7.84%	7.02%	4.39%	4.82%	5.71%	6.23%	5.67%	5.52%	5.70%
VGYAX Vanguard Global Wellesley Income Fund Admiral Shares	3.92%	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 NWQIX in my portfolio?

VGYAX and NWQIX have a correlation of 0.67, 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 NWQIX?

VGYAX has higher volatility (1.61%) compared to NWQIX (1.22%). In terms of maximum drawdown, VGYAX dropped -17.71% vs NWQIX's -23.89%.

Which has better risk-adjusted returns?

NWQIX currently has the higher Sharpe Ratio (4.06 vs 2.25), 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.