SLDAX vs. LDRAX

Last updated Jun 23, 2026

SLDAX (SEI Institutional Investments Trust Long Duration Credit Fund) and LDRAX (SEI Institutional Investments Trust Long Duration Fund) are both Long-Term Bond funds from SEI. Over the past 10 years, SLDAX returned 1.69%/yr vs 1.45%/yr for LDRAX. With a 0.99 correlation, they move nearly in lockstep. Both charge a 0.14% expense ratio.

Performance

SLDAX vs. LDRAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SEI Institutional Investments Trust Long Duration Credit Fund (SLDAX) and SEI Institutional Investments Trust Long Duration Fund (LDRAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with SLDAX having a 0.97% return and LDRAX slightly lower at 0.95%. Over the past 10 years, SLDAX has outperformed LDRAX with an annualized return of 1.69%, while LDRAX has yielded a comparatively lower 1.45% annualized return.

SLDAX

• 1D: 0.39%
• 1M: 1.89%
• YTD: 0.97%
• 6M: 1.41%
• 1Y: 6.58%
• 3Y*: 3.16%
• 5Y*: -3.39%
• 10Y*: 1.69%

LDRAX

• 1D: 0.34%
• 1M: 2.02%
• YTD: 0.95%
• 6M: 1.39%
• 1Y: 6.13%
• 3Y*: 2.47%
• 5Y*: -3.91%
• 10Y*: 1.45%

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

SLDAX vs. LDRAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SLDAX SEI Institutional Investments Trust Long Duration Credit Fund	0.97%	7.37%	-2.78%	8.14%	-26.58%	-2.80%	16.56%	21.45%	-6.23%	11.67%
LDRAX SEI Institutional Investments Trust Long Duration Fund	0.95%	6.81%	-3.28%	7.16%	-27.73%	-2.19%	18.23%	21.19%	-5.16%	11.74%

Correlation

The correlation between SLDAX and LDRAX is 0.98 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.98
Correlation (3Y) Calculated over the trailing 3-year period	0.99
Correlation (5Y) Calculated over the trailing 5-year period	0.99
Correlation (10Y) Calculated over the trailing 10-year period	0.99
Correlation (All Time) Calculated using the full available price history since Jul 2, 2012	0.99

The correlation between SLDAX and LDRAX has been stable across timeframes, ranging from 0.98 to 0.99 - a consistent structural relationship.

Return for Risk

SLDAX vs. LDRAX — Risk / Return Rank

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

SLDAX

SLDAX Risk / Return Rank: 12
SLDAX Sharpe Ratio Rank: 11
SLDAX Sortino Ratio Rank: 11
SLDAX Omega Ratio Rank: 11
SLDAX Calmar Ratio Rank: 15
SLDAX Martin Ratio Rank: 11

LDRAX

LDRAX Risk / Return Rank: 10
LDRAX Sharpe Ratio Rank: 10
LDRAX Sortino Ratio Rank: 10
LDRAX Omega Ratio Rank: 9
LDRAX Calmar Ratio Rank: 13
LDRAX Martin Ratio Rank: 10

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.

SLDAX vs. LDRAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SEI Institutional Investments Trust Long Duration Credit Fund (SLDAX) and SEI Institutional Investments Trust Long Duration Fund (LDRAX). 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.

	SLDAX	LDRAX	Difference
Sharpe ratio: Return per unit of total volatility	0.86	0.76	+0.10
Sortino ratio: Return per unit of downside risk	1.28	1.14	+0.14
Omega ratio: Gain probability vs. loss probability	1.15	1.13	+0.02
Calmar ratio: Return relative to maximum drawdown	1.25	1.12	+0.13
Martin ratio: Return relative to average drawdown	3.08	2.74	+0.34

SLDAX vs. LDRAX - Sharpe Ratio Comparison

The current SLDAX Sharpe Ratio is 0.86, which is comparable to the LDRAX Sharpe Ratio of 0.76. The chart below compares the historical Sharpe Ratios of SLDAX and LDRAX, 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

SLDAX vs. LDRAX - Drawdown Comparison

The maximum SLDAX drawdown since its inception was -36.12%, roughly equal to the maximum LDRAX drawdown of -37.23%. Use the drawdown chart below to compare losses from any high point for SLDAX and LDRAX.

Drawdown Indicators

	SLDAX	LDRAX	Difference
Max Drawdown Largest peak-to-trough decline	-36.12%	-37.23%	+1.11%
Max Drawdown (1Y) Largest decline over 1 year	-5.19%	-5.34%	+0.15%
Max Drawdown (3Y) Largest decline over 3 years	-13.62%	-14.49%	+0.87%
Max Drawdown (5Y) Largest decline over 5 years	-35.17%	-36.35%	+1.18%
Max Drawdown (10Y) Largest decline over 10 years	-36.12%	-37.23%	+1.11%
Current Drawdown Current decline from peak	-19.50%	-22.10%	+2.60%
Average Drawdown Average peak-to-trough decline	-10.64%	-12.41%	+1.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.10%	2.18%	-0.08%

Volatility

SLDAX vs. LDRAX - Volatility Comparison

SEI Institutional Investments Trust Long Duration Credit Fund (SLDAX) has a higher volatility of 2.16% compared to SEI Institutional Investments Trust Long Duration Fund (LDRAX) at 2.02%. This indicates that SLDAX's price experiences larger fluctuations and is considered to be riskier than LDRAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SLDAX	LDRAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.16%	2.02%	+0.14%
Volatility (6M) Calculated over the trailing 6-month period	5.60%	5.69%	-0.09%
Volatility (1Y) Calculated over the trailing 1-year period	7.55%	7.87%	-0.32%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.13%	12.51%	-0.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.27%	11.40%	-0.13%

SLDAX vs. LDRAX - Expense Ratio Comparison

Both SLDAX and LDRAX have an expense ratio of 0.14%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

SLDAX vs. LDRAX - Dividend Comparison

SLDAX's dividend yield for the trailing twelve months is around 5.11%, which matches LDRAX's 5.13% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LDRAX SEI Institutional Investments Trust Long Duration Fund	5.13%	5.04%	4.62%	3.42%	3.23%	4.30%	12.32%	8.60%	4.80%	4.46%	6.21%	9.23%
SLDAX SEI Institutional Investments Trust Long Duration Credit Fund	5.11%	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 SLDAX and LDRAX in my portfolio?

With a correlation of 0.98, SLDAX and LDRAX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, SLDAX or LDRAX?

SLDAX has higher volatility (2.16%) compared to LDRAX (2.02%). In terms of maximum drawdown, SLDAX dropped -36.12% vs LDRAX's -37.23%.

Which has better risk-adjusted returns?

SLDAX currently has the higher Sharpe Ratio (0.86 vs 0.76), 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.