SEATX vs. SLDAX

Last updated Jun 4, 2026

SEATX (SEI Tax Exempt Trust Tax-Advantaged Income Fund) and SLDAX (SEI Institutional Investments Trust Long Duration Credit Fund) are both mutual funds - SEATX is a Intermediate Core-Plus Bond fund managed by SEI, while SLDAX is a Long-Term Bond fund managed by SEI. Over the past 10 years, SEATX returned 2.79%/yr vs 1.68%/yr for SLDAX. At a 0.45 correlation, their price movements are largely independent. SEATX charges 0.86%/yr vs 0.14%/yr for SLDAX.

Performance

SEATX vs. SLDAX - 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 Long Duration Credit Fund (SLDAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SEATX achieves a 2.21% return, which is significantly higher than SLDAX's 0.71% return. Over the past 10 years, SEATX has outperformed SLDAX with an annualized return of 2.79%, while SLDAX has yielded a comparatively lower 1.68% annualized return.

SEATX

• 1D: 0.11%
• 1M: 0.70%
• YTD: 2.21%
• 6M: 2.31%
• 1Y: 5.40%
• 3Y*: 4.68%
• 5Y*: 0.48%
• 10Y*: 2.79%

SLDAX

• 1D: 0.13%
• 1M: 1.76%
• YTD: 0.71%
• 6M: -0.12%
• 1Y: 7.57%
• 3Y*: 3.25%
• 5Y*: -2.59%
• 10Y*: 1.68%

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

SEATX vs. SLDAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SEATX SEI Tax Exempt Trust Tax-Advantaged Income Fund	2.21%	2.12%	5.75%	5.57%	-13.10%	4.00%	6.20%	10.58%	0.56%	8.54%
SLDAX SEI Institutional Investments Trust Long Duration Credit Fund	0.71%	7.37%	-2.78%	8.14%	-26.58%	-2.80%	16.56%	21.45%	-6.23%	11.67%

Correlation

The correlation between SEATX and SLDAX is 0.63, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.63
Correlation (3Y) Calculated over the trailing 3-year period	0.65
Correlation (5Y) Calculated over the trailing 5-year period	0.57
Correlation (10Y) Calculated over the trailing 10-year period	0.52
Correlation (All Time) Calculated using the full available price history since Jul 3, 2012	0.45

The correlation between SEATX and SLDAX shifts across timeframes, from 0.45 (all time) to 0.65 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

SEATX vs. SLDAX — Risk / Return Rank

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

SEATX

SEATX Risk / Return Rank: 39
SEATX Sharpe Ratio Rank: 38
SEATX Sortino Ratio Rank: 48
SEATX Omega Ratio Rank: 53
SEATX Calmar Ratio Rank: 26
SEATX Martin Ratio Rank: 31

SLDAX

SLDAX Risk / Return Rank: 14
SLDAX Sharpe Ratio Rank: 13
SLDAX Sortino Ratio Rank: 13
SLDAX Omega Ratio Rank: 13
SLDAX Calmar Ratio Rank: 17
SLDAX Martin Ratio Rank: 13

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. SLDAX - 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 Long Duration Credit Fund (SLDAX). 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.

	SEATX	SLDAX	Difference
Sharpe ratio: Return per unit of total volatility	1.80	1.01	+0.78
Sortino ratio: Return per unit of downside risk	2.91	1.50	+1.41
Omega ratio: Gain probability vs. loss probability	1.40	1.18	+0.22
Calmar ratio: Return relative to maximum drawdown	1.91	1.49	+0.42
Martin ratio: Return relative to average drawdown	7.08	3.77	+3.31
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SEATX vs. SLDAX - Sharpe Ratio Comparison

The current SEATX Sharpe Ratio is 1.80, which is higher than the SLDAX Sharpe Ratio of 1.01. The chart below compares the historical Sharpe Ratios of SEATX and SLDAX, 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

	SEATX	SLDAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.80	1.01	+0.78
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.11	-0.21	+0.33
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.61	0.15	+0.46
Sharpe Ratio (All Time) Calculated using the full available price history	0.84	0.23	+0.61

Drawdowns

SEATX vs. SLDAX - Drawdown Comparison

The maximum SEATX drawdown since its inception was -28.46%, smaller than the maximum SLDAX drawdown of -36.12%. Use the drawdown chart below to compare losses from any high point for SEATX and SLDAX.

Drawdown Indicators

	SEATX	SLDAX	Difference
Max Drawdown Largest peak-to-trough decline	-28.46%	-36.12%	+7.66%
Max Drawdown (1Y) Largest decline over 1 year	-2.84%	-5.19%	+2.35%
Max Drawdown (3Y) Largest decline over 3 years	-6.80%	-13.62%	+6.82%
Max Drawdown (5Y) Largest decline over 5 years	-17.71%	-35.17%	+17.46%
Max Drawdown (10Y) Largest decline over 10 years	-17.71%	-36.12%	+18.41%
Current Drawdown Current decline from peak	0.00%	-19.71%	+19.71%
Average Drawdown Average peak-to-trough decline	-3.49%	-10.62%	+7.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.76%	2.05%	-1.29%

Volatility

SEATX vs. SLDAX - Volatility Comparison

The current volatility for SEI Tax Exempt Trust Tax-Advantaged Income Fund (SEATX) is 1.14%, while SEI Institutional Investments Trust Long Duration Credit Fund (SLDAX) has a volatility of 2.50%. This indicates that SEATX experiences smaller price fluctuations and is considered to be less risky than SLDAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SEATX	SLDAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.14%	2.50%	-1.36%
Volatility (6M) Calculated over the trailing 6-month period	2.28%	5.50%	-3.22%
Volatility (1Y) Calculated over the trailing 1-year period	3.04%	7.66%	-4.62%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.28%	12.15%	-7.87%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.56%	11.27%	-6.71%

SEATX vs. SLDAX - Expense Ratio Comparison

SEATX has a 0.86% expense ratio, which is higher than SLDAX's 0.14% expense ratio.

Dividends

SEATX vs. SLDAX - Dividend Comparison

SEATX's dividend yield for the trailing twelve months is around 4.68%, less than SLDAX's 5.12% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
SLDAX SEI Institutional Investments Trust Long Duration Credit Fund	5.12%	5.03%	4.63%	3.38%	3.27%	5.81%	7.64%	3.79%	4.26%	4.41%	4.22%	6.63%

Frequently Asked Questions

Can I hold both SEATX and SLDAX in my portfolio?

SEATX and SLDAX have a correlation of 0.63, 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 SLDAX?

SLDAX has higher volatility (2.50%) compared to SEATX (1.14%). In terms of maximum drawdown, SEATX dropped -28.46% vs SLDAX's -36.12%.

Which has better risk-adjusted returns?

SEATX currently has the higher Sharpe Ratio (1.80 vs 1.01), 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.