APSTX vs. AIWEX

Last updated Aug 4, 2026

APSTX (Cavanal Hill Limited Duration Fund) and AIWEX (Cavanal Hill World Energy Fund Institutional Class) are both mutual funds - APSTX is a Short-Term Bond fund managed by Cavanal Hill, while AIWEX is a Energy Equities fund actively managed by Cavanal Hill. Over the past 10 years, APSTX returned 1.81%/yr vs 12.17%/yr for AIWEX. Their -0.12 correlation means they have often moved in opposite directions in the past. APSTX charges 0.76%/yr vs 0.91%/yr for AIWEX.

Performance

APSTX vs. AIWEX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Cavanal Hill Limited Duration Fund (APSTX) and Cavanal Hill World Energy Fund Institutional Class (AIWEX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, APSTX achieves a 0.27% return, which is significantly lower than AIWEX's 26.43% return. Over the past 10 years, APSTX has underperformed AIWEX with an annualized return of 1.81%, while AIWEX has yielded a comparatively higher 12.17% annualized return.

APSTX

• 1D: -0.32%
• 1M: -0.64%
• 6M: 0.02%
• YTD: 0.27%
• 1Y: 1.84%
• 3Y*: 4.57%
• 5Y*: 1.69%
• 10Y*: 1.81%
• ALL TIME*: 4.06%

AIWEX

• 1D: 1.38%
• 1M: 3.58%
• 6M: 13.17%
• YTD: 26.43%
• 1Y: 35.22%
• 3Y*: 20.04%
• 5Y*: 22.25%
• 10Y*: 12.17%
• ALL TIME*: 9.19%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
AIWEX Cavanal Hill World Energy Fund Institutional Class	$0.00	$0.00	$0.00
APSTX Cavanal Hill Limited Duration Fund	$0.00	$0.00	$0.00

APSTX vs. AIWEX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
APSTX Cavanal Hill Limited Duration Fund	0.27%	5.21%	4.96%	5.13%	-5.78%	-0.73%	3.83%	4.02%	1.17%	1.06%
AIWEX Cavanal Hill World Energy Fund Institutional Class	26.43%	21.74%	13.42%	4.93%	32.76%	36.90%	0.25%	8.00%	-24.31%	-1.59%

Correlation

The correlation between APSTX and AIWEX is -0.20, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	-0.20
Correlation (3Y) Balances recent behavior with more history.	-0.07
Correlation (5Y) Shows whether the relationship held over a longer period.	-0.06
Correlation (10Y) Provides a long-term view across more market conditions.	-0.13
Correlation (All Time) Calculated using the full available price history since Jan 2, 2015	-0.12

The correlation between APSTX and AIWEX shifts across timeframes, from -0.20 (1 year) to -0.06 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

APSTX vs. AIWEX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

APSTX

APSTX Risk / Return Rank: 32
APSTX Sharpe Ratio Rank: 30
APSTX Sortino Ratio Rank: 33
APSTX Omega Ratio Rank: 32
APSTX Calmar Ratio Rank: 35
APSTX Martin Ratio Rank: 29

AIWEX

AIWEX Risk / Return Rank: 67
AIWEX Sharpe Ratio Rank: 69
AIWEX Sortino Ratio Rank: 64
AIWEX Omega Ratio Rank: 58
AIWEX Calmar Ratio Rank: 83
AIWEX Martin Ratio Rank: 61

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

APSTX vs. AIWEX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Cavanal Hill Limited Duration Fund (APSTX) and Cavanal Hill World Energy Fund Institutional Class (AIWEX). 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.

	APSTX	AIWEX	Difference
Sharpe ratio: Return per unit of total volatility	1.08	1.72	-0.65
Sortino ratio: Return per unit of downside risk	1.69	2.37	-0.69
Omega ratio: Gain probability vs. loss probability	1.21	1.29	-0.08
Calmar ratio: Return relative to maximum drawdown	1.63	2.92	-1.29
Martin ratio: Return relative to average drawdown	4.58	8.45	-3.87

APSTX vs. AIWEX - Sharpe Ratio Comparison

The current APSTX Sharpe Ratio is 1.08, which is lower than the AIWEX Sharpe Ratio of 1.72. The chart below compares the historical Sharpe Ratios of APSTX and AIWEX, 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

APSTX vs. AIWEX - Drawdown Comparison

The maximum APSTX drawdown since its inception was -19.32%, smaller than the maximum AIWEX drawdown of -57.44%. Use the drawdown chart below to compare losses from any high point for APSTX and AIWEX.

Drawdown Indicators

	APSTX	AIWEX	Difference
Max Drawdown Largest peak-to-trough decline	-19.32%	-57.44%	+38.12%
Max Drawdown (1Y) Largest decline over 1 year	-1.48%	-10.96%	+9.48%
Max Drawdown (3Y) Largest decline over 3 years	-1.48%	-23.00%	+21.52%
Max Drawdown (5Y) Largest decline over 5 years	-8.38%	-25.68%	+17.30%
Max Drawdown (10Y) Largest decline over 10 years	-8.57%	-57.44%	+48.87%
Current Drawdown Current decline from peak	-0.97%	-7.29%	+6.32%
Average Drawdown Average peak-to-trough decline	-1.17%	-12.72%	+11.55%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.52%	3.85%	-3.33%

Volatility

APSTX vs. AIWEX - Volatility Comparison

The current volatility for Cavanal Hill Limited Duration Fund (APSTX) is 0.65%, while Cavanal Hill World Energy Fund Institutional Class (AIWEX) has a volatility of 5.52%. This indicates that APSTX experiences smaller price fluctuations and is considered to be less risky than AIWEX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	APSTX	AIWEX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.65%	5.52%	-4.87%
Volatility (6M) Calculated over the trailing 6-month period	1.74%	14.03%	-12.29%
Volatility (1Y) Calculated over the trailing 1-year period	2.25%	18.59%	-16.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.57%	25.56%	-22.99%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.13%	25.85%	-23.72%

APSTX vs. AIWEX - Expense Ratio Comparison

APSTX has a 0.76% expense ratio, which is lower than AIWEX's 0.91% expense ratio.

Dividends

APSTX vs. AIWEX - Dividend Comparison

APSTX's dividend yield for the trailing twelve months is around 3.03%, more than AIWEX's 0.93% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AIWEX Cavanal Hill World Energy Fund Institutional Class	0.93%	0.81%	1.97%	1.80%	2.18%	1.63%	1.81%	2.27%	1.65%	0.67%	1.22%	1.00%
APSTX Cavanal Hill Limited Duration Fund	3.03%	3.23%	2.85%	2.60%	2.02%	1.46%	1.58%	2.24%	2.00%	1.38%	1.24%	21.97%

Frequently Asked Questions

Can I hold both APSTX and AIWEX in my portfolio?

APSTX and AIWEX have a correlation of -0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, APSTX or AIWEX?

AIWEX has higher volatility (5.52%) compared to APSTX (0.65%). In terms of maximum drawdown, APSTX dropped -19.32% vs AIWEX's -57.44%.

Which has better risk-adjusted returns?

AIWEX currently has the higher Sharpe Ratio (1.72 vs 1.08), 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.