SEATX vs. ENIAX

Last updated Jun 23, 2026

SEATX (SEI Tax Exempt Trust Tax-Advantaged Income Fund) and ENIAX (SEI Institutional Investments Trust Opportunistic Income Fund) are both mutual funds - SEATX is a Intermediate Core-Plus Bond fund managed by SEI, while ENIAX is a Ultrashort Bond fund managed by SEI. Over the past 10 years, SEATX returned 2.72%/yr vs 4.17%/yr for ENIAX. At a 0.20 correlation, their price movements are largely independent. SEATX charges 0.86%/yr vs 0.23%/yr for ENIAX.

Performance

SEATX vs. ENIAX - Performance Comparison

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

Returns By Period

In the year-to-date period, SEATX achieves a 2.33% return, which is significantly higher than ENIAX's 1.65% return. Over the past 10 years, SEATX has underperformed ENIAX with an annualized return of 2.72%, while ENIAX has yielded a comparatively higher 4.17% annualized return.

SEATX

• 1D: 0.11%
• 1M: 1.49%
• YTD: 2.33%
• 6M: 2.76%
• 1Y: 5.51%
• 3Y*: 4.64%
• 5Y*: 0.39%
• 10Y*: 2.72%

ENIAX

• 1D: 0.00%
• 1M: 0.38%
• YTD: 1.65%
• 6M: 1.81%
• 1Y: 5.02%
• 3Y*: 6.59%
• 5Y*: 4.69%
• 10Y*: 4.17%

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

SEATX vs. ENIAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SEATX SEI Tax Exempt Trust Tax-Advantaged Income Fund	2.33%	2.12%	5.75%	5.57%	-13.10%	4.00%	6.20%	10.58%	0.56%	8.54%
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%

Correlation

The correlation between SEATX and ENIAX is 0.13, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.13
Correlation (3Y) Calculated over the trailing 3-year period	0.22
Correlation (5Y) Calculated over the trailing 5-year period	0.28
Correlation (10Y) Calculated over the trailing 10-year period	0.21
Correlation (All Time) Calculated using the full available price history since Jan 2, 2008	0.20

The correlation between SEATX and ENIAX shifts across timeframes, from 0.13 (1 year) to 0.28 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

SEATX vs. ENIAX — Risk / Return Rank

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

SEATX

SEATX Risk / Return Rank: 48
SEATX Sharpe Ratio Rank: 46
SEATX Sortino Ratio Rank: 60
SEATX Omega Ratio Rank: 67
SEATX Calmar Ratio Rank: 31
SEATX Martin Ratio Rank: 34

ENIAX

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

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.

SEATX vs. ENIAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SEI Tax Exempt Trust Tax-Advantaged Income Fund (SEATX) and SEI Institutional Investments Trust Opportunistic Income Fund (ENIAX). 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.

	SEATX	ENIAX	Difference
Sharpe ratio: Return per unit of total volatility	1.84	5.28	-3.43
Sortino ratio: Return per unit of downside risk	2.98	10.93	-7.95
Omega ratio: Gain probability vs. loss probability	1.41	4.03	-2.61
Calmar ratio: Return relative to maximum drawdown	1.96	13.48	-11.52
Martin ratio: Return relative to average drawdown	7.28	82.04	-74.76

SEATX vs. ENIAX - Sharpe Ratio Comparison

The current SEATX Sharpe Ratio is 1.84, which is lower than the ENIAX Sharpe Ratio of 5.28. The chart below compares the historical Sharpe Ratios of SEATX and ENIAX, 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

SEATX vs. ENIAX - Drawdown Comparison

The maximum SEATX drawdown since its inception was -28.46%, smaller than the maximum ENIAX drawdown of -33.30%. Use the drawdown chart below to compare losses from any high point for SEATX and ENIAX.

Drawdown Indicators

	SEATX	ENIAX	Difference
Max Drawdown Largest peak-to-trough decline	-28.46%	-33.30%	+4.84%
Max Drawdown (1Y) Largest decline over 1 year	-2.84%	-0.37%	-2.47%
Max Drawdown (3Y) Largest decline over 3 years	-6.80%	-2.11%	-4.69%
Max Drawdown (5Y) Largest decline over 5 years	-17.71%	-3.52%	-14.19%
Max Drawdown (10Y) Largest decline over 10 years	-17.71%	-13.45%	-4.26%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-3.48%	-7.77%	+4.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.76%	0.06%	+0.70%

Volatility

SEATX vs. ENIAX - Volatility Comparison

SEI Tax Exempt Trust Tax-Advantaged Income Fund (SEATX) has a higher volatility of 0.81% compared to SEI Institutional Investments Trust Opportunistic Income Fund (ENIAX) at 0.27%. This indicates that SEATX's price experiences larger fluctuations and is considered to be riskier than ENIAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SEATX	ENIAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.81%	0.27%	+0.54%
Volatility (6M) Calculated over the trailing 6-month period	2.27%	0.70%	+1.57%
Volatility (1Y) Calculated over the trailing 1-year period	3.02%	0.96%	+2.06%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.29%	2.86%	+1.43%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.56%	2.79%	+1.77%

SEATX vs. ENIAX - Expense Ratio Comparison

SEATX has a 0.86% expense ratio, which is higher than ENIAX's 0.23% expense ratio.

Dividends

SEATX vs. ENIAX - Dividend Comparison

SEATX's dividend yield for the trailing twelve months is around 4.68%, less than ENIAX's 5.92% 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%
SEATX SEI Tax Exempt Trust Tax-Advantaged Income Fund	4.68%	4.52%	4.63%	3.38%	3.16%	3.37%	4.28%	5.63%	4.76%	4.65%	4.10%	4.25%

Frequently Asked Questions

Can I hold both SEATX and ENIAX in my portfolio?

SEATX and ENIAX have a correlation of 0.13, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SEATX or ENIAX?

SEATX has higher volatility (0.81%) compared to ENIAX (0.27%). In terms of maximum drawdown, SEATX dropped -28.46% vs ENIAX's -33.30%.

Which has better risk-adjusted returns?

ENIAX currently has the higher Sharpe Ratio (5.28 vs 1.84), 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.