APUSX vs. PTEAX

Last updated Apr 1, 2026

Compare and contrast key facts about Cavanal Hill Ultra Short Tax-Free Income Fund (APUSX) and Principal Tax-Exempt Bond Fund (PTEAX).

APUSX is managed by Cavanal Hill funds. It was launched on Dec 25, 2017. PTEAX is managed by Principal. It was launched on Jan 2, 1977.

Performance

APUSX vs. PTEAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Cavanal Hill Ultra Short Tax-Free Income Fund (APUSX) and Principal Tax-Exempt Bond Fund (PTEAX). The values are adjusted to include any dividend payments, if applicable.

APUSX vs. PTEAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
APUSX Cavanal Hill Ultra Short Tax-Free Income Fund	0.21%	3.88%	3.65%	2.63%	-0.18%	-0.40%	0.15%
PTEAX Principal Tax-Exempt Bond Fund	-1.06%	4.68%	2.10%	6.35%	-12.18%	2.71%	4.66%

Returns By Period

In the year-to-date period, APUSX achieves a 0.21% return, which is significantly higher than PTEAX's -1.06% return.

APUSX

• 1D: 0.00%
• 1M: -0.10%
• YTD: 0.21%
• 6M: 0.87%
• 1Y: 2.54%
• 3Y*: 3.21%
• 5Y*: 1.96%
• 10Y*: —

PTEAX

• 1D: 0.15%
• 1M: -2.95%
• YTD: -1.06%
• 6M: 0.39%
• 1Y: 3.32%
• 3Y*: 3.01%
• 5Y*: 0.29%
• 10Y*: 1.93%

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

APUSX vs. PTEAX - Expense Ratio Comparison

APUSX has a 0.60% expense ratio, which is lower than PTEAX's 0.73% expense ratio.

PTEAX

Principal Tax-Exempt Bond Fund

APUSX

Cavanal Hill Ultra Short Tax-Free Income Fund

Return for Risk

APUSX vs. PTEAX — Risk / Return Rank

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

APUSX

APUSX Risk / Return Rank: 99
APUSX Sharpe Ratio Rank: 98
APUSX Sortino Ratio Rank: 100
APUSX Omega Ratio Rank: 100
APUSX Calmar Ratio Rank: 100
APUSX Martin Ratio Rank: 100

PTEAX

PTEAX Risk / Return Rank: 39
PTEAX Sharpe Ratio Rank: 40
PTEAX Sortino Ratio Rank: 34
PTEAX Omega Ratio Rank: 59
PTEAX Calmar Ratio Rank: 33
PTEAX Martin Ratio Rank: 27

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.

APUSX vs. PTEAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Cavanal Hill Ultra Short Tax-Free Income Fund (APUSX) and Principal Tax-Exempt Bond Fund (PTEAX). 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.

	APUSX	PTEAX	Difference
Sharpe ratio Return per unit of total volatility	2.94	0.84	+2.10
Sortino ratio Return per unit of downside risk	12.78	1.14	+11.64
Omega ratio Gain probability vs. loss probability	6.20	1.23	+4.97
Calmar ratio Return relative to maximum drawdown	15.80	0.92	+14.88
Martin ratio Return relative to average drawdown	57.56	2.97	+54.59
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

APUSX vs. PTEAX - Sharpe Ratio Comparison

The current APUSX Sharpe Ratio is 2.94, which is higher than the PTEAX Sharpe Ratio of 0.84. The chart below compares the historical Sharpe Ratios of APUSX and PTEAX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	APUSX	PTEAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.94	0.84	+2.10
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.60	0.07	+1.52
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.44	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.40	0.31	+1.09

Correlation

The correlation between APUSX and PTEAX is 0.26, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

APUSX vs. PTEAX - Dividend Comparison

APUSX's dividend yield for the trailing twelve months is around 2.61%, less than PTEAX's 3.89% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
APUSX Cavanal Hill Ultra Short Tax-Free Income Fund	2.61%	3.69%	3.68%	1.69%	0.33%	0.00%	0.25%	0.00%	0.00%	0.00%	0.00%	0.00%
PTEAX Principal Tax-Exempt Bond Fund	3.89%	4.66%	3.73%	2.81%	2.27%	2.15%	2.23%	3.09%	3.68%	3.69%	3.91%	3.75%

Drawdowns

APUSX vs. PTEAX - Drawdown Comparison

The maximum APUSX drawdown since its inception was -1.64%, smaller than the maximum PTEAX drawdown of -38.72%. Use the drawdown chart below to compare losses from any high point for APUSX and PTEAX.

Drawdown Indicators

	APUSX	PTEAX	Difference
Max Drawdown Largest peak-to-trough decline	-1.64%	-38.72%	+37.08%
Max Drawdown (1Y) Largest decline over 1 year	-0.20%	-4.78%	+4.58%
Max Drawdown (5Y) Largest decline over 5 years	-1.45%	-17.37%	+15.92%
Max Drawdown (10Y) Largest decline over 10 years	—	-17.37%	—
Current Drawdown Current decline from peak	-0.10%	-2.95%	+2.85%
Average Drawdown Average peak-to-trough decline	-0.30%	-5.95%	+5.65%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.05%	1.49%	-1.44%

Volatility

APUSX vs. PTEAX - Volatility Comparison

The current volatility for Cavanal Hill Ultra Short Tax-Free Income Fund (APUSX) is 0.10%, while Principal Tax-Exempt Bond Fund (PTEAX) has a volatility of 1.01%. This indicates that APUSX experiences smaller price fluctuations and is considered to be less risky than PTEAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	APUSX	PTEAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.10%	1.01%	-0.91%
Volatility (6M) Calculated over the trailing 6-month period	0.53%	1.80%	-1.27%
Volatility (1Y) Calculated over the trailing 1-year period	1.09%	4.92%	-3.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.24%	3.96%	-2.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.14%	4.39%	-3.25%