PINZX vs. VWIUX

Last updated Jun 4, 2026

PINZX (Principal Overseas Fund) and VWIUX (Vanguard Intermediate-Term Tax-Exempt Fund Admiral Shares) are both mutual funds - PINZX is a Foreign Large Cap Equities fund managed by Principal, while VWIUX is a Municipal Bonds fund managed by Vanguard. Over the past 10 years, PINZX returned 12.22%/yr vs 2.48%/yr for VWIUX. At a correlation of -0.10, they often move in opposite directions. PINZX charges 0.97%/yr vs 0.09%/yr for VWIUX.

Performance

PINZX vs. VWIUX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Principal Overseas Fund (PINZX) and Vanguard Intermediate-Term Tax-Exempt Fund Admiral Shares (VWIUX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PINZX achieves a 15.12% return, which is significantly higher than VWIUX's 1.33% return. Over the past 10 years, PINZX has outperformed VWIUX with an annualized return of 12.22%, while VWIUX has yielded a comparatively lower 2.48% annualized return.

PINZX

• 1D: 0.75%
• 1M: 7.93%
• YTD: 15.12%
• 6M: 19.56%
• 1Y: 35.41%
• 3Y*: 25.55%
• 5Y*: 15.65%
• 10Y*: 12.22%

VWIUX

• 1D: 0.15%
• 1M: 0.65%
• YTD: 1.33%
• 6M: 1.76%
• 1Y: 6.98%
• 3Y*: 4.56%
• 5Y*: 1.72%
• 10Y*: 2.48%

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

PINZX vs. VWIUX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PINZX Principal Overseas Fund	15.12%	40.18%	13.98%	22.59%	-4.87%	11.15%	4.09%	20.84%	-17.91%	25.59%
VWIUX Vanguard Intermediate-Term Tax-Exempt Fund Admiral Shares	1.33%	5.99%	2.34%	5.90%	-6.83%	0.81%	5.23%	7.10%	1.34%	4.65%

Correlation

The correlation between PINZX and VWIUX is 0.30, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.30
Correlation (3Y) Calculated over the trailing 3-year period	0.19
Correlation (5Y) Calculated over the trailing 5-year period	0.13
Correlation (10Y) Calculated over the trailing 10-year period	0.01
Correlation (All Time) Calculated using the full available price history since Oct 2, 2008	-0.10

The correlation between PINZX and VWIUX shifts across timeframes, from -0.10 (all time) to 0.30 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

PINZX vs. VWIUX — Risk / Return Rank

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

PINZX

PINZX Risk / Return Rank: 50
PINZX Sharpe Ratio Rank: 56
PINZX Sortino Ratio Rank: 51
PINZX Omega Ratio Rank: 53
PINZX Calmar Ratio Rank: 46
PINZX Martin Ratio Rank: 46

VWIUX

VWIUX Risk / Return Rank: 70
VWIUX Sharpe Ratio Rank: 90
VWIUX Sortino Ratio Rank: 94
VWIUX Omega Ratio Rank: 96
VWIUX Calmar Ratio Rank: 38
VWIUX Martin Ratio Rank: 35

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.

PINZX vs. VWIUX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Principal Overseas Fund (PINZX) and Vanguard Intermediate-Term Tax-Exempt Fund Admiral Shares (VWIUX). 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.

	PINZX	VWIUX	Difference
Sharpe ratio Return per unit of total volatility	2.20	2.99	-0.79
Sortino ratio Return per unit of downside risk	3.03	4.79	-1.77
Omega ratio Gain probability vs. loss probability	1.40	1.81	-0.41
Calmar ratio Return relative to maximum drawdown	2.59	2.34	+0.25
Martin ratio Return relative to average drawdown	9.64	7.81	+1.83
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PINZX vs. VWIUX - Sharpe Ratio Comparison

The current PINZX Sharpe Ratio is 2.20, which is comparable to the VWIUX Sharpe Ratio of 2.99. The chart below compares the historical Sharpe Ratios of PINZX and VWIUX, 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

	PINZX	VWIUX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.20	2.99	-0.79
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.91	0.53	+0.38
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.68	0.72	-0.05
Sharpe Ratio (All Time) Calculated using the full available price history	0.41	1.13	-0.72

Drawdowns

PINZX vs. VWIUX - Drawdown Comparison

The maximum PINZX drawdown since its inception was -44.27%, which is greater than VWIUX's maximum drawdown of -11.38%. Use the drawdown chart below to compare losses from any high point for PINZX and VWIUX.

Drawdown Indicators

	PINZX	VWIUX	Difference
Max Drawdown Largest peak-to-trough decline	-44.27%	-11.38%	-32.89%
Max Drawdown (1Y) Largest decline over 1 year	-13.53%	-2.99%	-10.54%
Max Drawdown (3Y) Largest decline over 3 years	-15.87%	-4.40%	-11.47%
Max Drawdown (5Y) Largest decline over 5 years	-25.96%	-11.38%	-14.58%
Max Drawdown (10Y) Largest decline over 10 years	-44.27%	-11.38%	-32.89%
Current Drawdown Current decline from peak	0.00%	-0.87%	+0.87%
Average Drawdown Average peak-to-trough decline	-9.25%	-1.44%	-7.81%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.63%	0.90%	+2.73%

Volatility

PINZX vs. VWIUX - Volatility Comparison

Principal Overseas Fund (PINZX) has a higher volatility of 5.24% compared to Vanguard Intermediate-Term Tax-Exempt Fund Admiral Shares (VWIUX) at 0.88%. This indicates that PINZX's price experiences larger fluctuations and is considered to be riskier than VWIUX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PINZX	VWIUX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.24%	0.88%	+4.36%
Volatility (6M) Calculated over the trailing 6-month period	13.12%	1.87%	+11.25%
Volatility (1Y) Calculated over the trailing 1-year period	15.94%	2.35%	+13.59%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.24%	3.27%	+13.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.17%	3.43%	+14.74%

PINZX vs. VWIUX - Expense Ratio Comparison

PINZX has a 0.97% expense ratio, which is higher than VWIUX's 0.09% expense ratio.

Dividends

PINZX vs. VWIUX - Dividend Comparison

PINZX's dividend yield for the trailing twelve months is around 8.44%, more than VWIUX's 3.33% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PINZX Principal Overseas Fund	8.44%	9.71%	29.12%	6.31%	8.23%	7.70%	1.85%	3.08%	10.03%	3.15%	2.04%	4.01%
VWIUX Vanguard Intermediate-Term Tax-Exempt Fund Admiral Shares	3.33%	4.06%	3.63%	2.78%	2.51%	1.89%	2.40%	2.88%	2.89%	2.82%	2.91%	2.96%

Frequently Asked Questions

Can I hold both PINZX and VWIUX in my portfolio?

PINZX and VWIUX have a correlation of 0.30, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PINZX or VWIUX?

PINZX has higher volatility (5.24%) compared to VWIUX (0.88%). In terms of maximum drawdown, PINZX dropped -44.27% vs VWIUX's -11.38%.

Which has better risk-adjusted returns?

VWIUX currently has the higher Sharpe Ratio (2.99 vs 2.20), 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.