ENIAX vs. HICOX

Last updated Jun 17, 2026

ENIAX (SEI Institutional Investments Trust Opportunistic Income Fund) and HICOX (Colorado Bond Shares A Tax Exempt Fund) are both mutual funds - ENIAX is a Ultrashort Bond fund managed by SEI, while HICOX is a Municipal Bonds fund managed by Freedom Funds. Over the past 10 years, ENIAX returned 4.18%/yr vs 4.14%/yr for HICOX. At a 0.08 correlation, their price movements are largely independent. ENIAX charges 0.23%/yr vs 0.55%/yr for HICOX.

Performance

ENIAX vs. HICOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SEI Institutional Investments Trust Opportunistic Income Fund (ENIAX) and Colorado Bond Shares A Tax Exempt Fund (HICOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ENIAX achieves a 1.65% return, which is significantly lower than HICOX's 2.57% return. Both investments have delivered pretty close results over the past 10 years, with ENIAX having a 4.18% annualized return and HICOX not far behind at 4.14%.

ENIAX

• 1D: 0.00%
• 1M: 0.38%
• YTD: 1.65%
• 6M: 1.93%
• 1Y: 5.15%
• 3Y*: 6.59%
• 5Y*: 4.69%
• 10Y*: 4.18%

HICOX

• 1D: 0.54%
• 1M: 0.88%
• YTD: 2.57%
• 6M: 2.69%
• 1Y: 6.56%
• 3Y*: 6.11%
• 5Y*: 3.09%
• 10Y*: 4.14%

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

ENIAX vs. HICOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ENIAX SEI Institutional Investments Trust Opportunistic Income Fund	1.65%	6.14%	8.34%	7.94%	-1.16%	2.67%	2.47%	5.82%	1.82%	3.93%
HICOX Colorado Bond Shares A Tax Exempt Fund	2.57%	4.36%	8.64%	5.10%	-6.14%	4.44%	4.69%	6.42%	4.64%	5.63%

Correlation

The correlation between ENIAX and HICOX is 0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.09
Correlation (3Y) Calculated over the trailing 3-year period	0.17
Correlation (5Y) Calculated over the trailing 5-year period	0.19
Correlation (10Y) Calculated over the trailing 10-year period	0.15
Correlation (All Time) Calculated using the full available price history since Sep 4, 2007	0.08

The correlation between ENIAX and HICOX shifts across timeframes, from 0.08 (all time) to 0.19 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

ENIAX vs. HICOX — Risk / Return Rank

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

ENIAX

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

HICOX

HICOX Risk / Return Rank: 98
HICOX Sharpe Ratio Rank: 97
HICOX Sortino Ratio Rank: 98
HICOX Omega Ratio Rank: 98
HICOX Calmar Ratio Rank: 97
HICOX 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.

ENIAX vs. HICOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SEI Institutional Investments Trust Opportunistic Income Fund (ENIAX) and Colorado Bond Shares A Tax Exempt Fund (HICOX). 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.

	ENIAX	HICOX	Difference
Sharpe ratio: Return per unit of total volatility	5.38	3.28	+2.10
Sortino ratio: Return per unit of downside risk	11.21	6.11	+5.10
Omega ratio: Gain probability vs. loss probability	4.10	2.05	+2.05
Calmar ratio: Return relative to maximum drawdown	13.83	6.70	+7.12
Martin ratio: Return relative to average drawdown	84.16	25.65	+58.51

ENIAX vs. HICOX - Sharpe Ratio Comparison

The current ENIAX Sharpe Ratio is 5.38, which is higher than the HICOX Sharpe Ratio of 3.28. The chart below compares the historical Sharpe Ratios of ENIAX and HICOX, 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

ENIAX vs. HICOX - Drawdown Comparison

The maximum ENIAX drawdown since its inception was -33.30%, which is greater than HICOX's maximum drawdown of -11.00%. Use the drawdown chart below to compare losses from any high point for ENIAX and HICOX.

Drawdown Indicators

	ENIAX	HICOX	Difference
Max Drawdown Largest peak-to-trough decline	-33.30%	-11.00%	-22.30%
Max Drawdown (1Y) Largest decline over 1 year	-0.37%	-1.10%	+0.73%
Max Drawdown (3Y) Largest decline over 3 years	-2.11%	-4.45%	+2.34%
Max Drawdown (5Y) Largest decline over 5 years	-3.52%	-9.66%	+6.14%
Max Drawdown (10Y) Largest decline over 10 years	-13.45%	-9.66%	-3.79%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-7.77%	-2.56%	-5.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.06%	0.28%	-0.22%

Volatility

ENIAX vs. HICOX - Volatility Comparison

The current volatility for SEI Institutional Investments Trust Opportunistic Income Fund (ENIAX) is 0.27%, while Colorado Bond Shares A Tax Exempt Fund (HICOX) has a volatility of 0.78%. This indicates that ENIAX experiences smaller price fluctuations and is considered to be less risky than HICOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ENIAX	HICOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.27%	0.78%	-0.51%
Volatility (6M) Calculated over the trailing 6-month period	0.70%	1.64%	-0.94%
Volatility (1Y) Calculated over the trailing 1-year period	0.96%	2.24%	-1.28%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.86%	3.55%	-0.69%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.79%	3.09%	-0.30%

ENIAX vs. HICOX - Expense Ratio Comparison

ENIAX has a 0.23% expense ratio, which is lower than HICOX's 0.55% expense ratio.

Dividends

ENIAX vs. HICOX - Dividend Comparison

ENIAX's dividend yield for the trailing twelve months is around 5.92%, more than HICOX's 4.29% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ENIAX SEI Institutional Investments Trust Opportunistic Income Fund	5.92%	6.00%	6.78%	5.33%	4.07%	2.66%	2.96%	4.32%	3.96%	3.02%	2.75%	2.54%
HICOX Colorado Bond Shares A Tax Exempt Fund	4.29%	3.98%	6.34%	2.53%	2.85%	3.60%	3.64%	4.11%	4.54%	4.56%	5.49%	4.32%

Frequently Asked Questions

Can I hold both ENIAX and HICOX in my portfolio?

ENIAX and HICOX have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ENIAX or HICOX?

HICOX has higher volatility (0.78%) compared to ENIAX (0.27%). In terms of maximum drawdown, ENIAX dropped -33.30% vs HICOX's -11.00%.

Which has better risk-adjusted returns?

ENIAX currently has the higher Sharpe Ratio (5.38 vs 3.28), 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.