LDUR vs. LDSF

Last updated Jun 4, 2026

LDUR (PIMCO Enhanced Low Duration Active ETF) and LDSF (First Trust Low Duration Strategic Focus ETF) are both Short-Term Bond funds. Both are actively managed. Over the past 5 years, LDUR returned 2.23%/yr vs 2.38%/yr for LDSF. At a 0.37 correlation, their price movements are largely independent. LDUR charges 0.54%/yr vs 0.87%/yr for LDSF.

Performance

LDUR vs. LDSF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO Enhanced Low Duration Active ETF (LDUR) and First Trust Low Duration Strategic Focus ETF (LDSF). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LDUR achieves a 0.91% return, which is significantly higher than LDSF's 0.74% return.

LDUR

• 1D: -0.02%
• 1M: 0.15%
• YTD: 0.91%
• 6M: 1.29%
• 1Y: 4.37%
• 3Y*: 5.11%
• 5Y*: 2.23%
• 10Y*: 2.43%

LDSF

• 1D: -0.05%
• 1M: 0.26%
• YTD: 0.74%
• 6M: 1.04%
• 1Y: 5.06%
• 3Y*: 5.29%
• 5Y*: 2.38%
• 10Y*: —

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

LDUR vs. LDSF - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
LDUR PIMCO Enhanced Low Duration Active ETF	0.91%	5.76%	5.14%	4.78%	-4.23%	-0.55%	4.49%	4.33%
LDSF First Trust Low Duration Strategic Focus ETF	0.74%	6.82%	4.20%	6.53%	-5.47%	-0.28%	2.48%	4.52%

Correlation

The correlation between LDUR and LDSF is 0.55, 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	0.55
Correlation (3Y) Calculated over the trailing 3-year period	0.51
Correlation (5Y) Calculated over the trailing 5-year period	0.47
Correlation (All Time) Calculated using the full available price history since Jan 8, 2019	0.37

The correlation between LDUR and LDSF shifts across timeframes, from 0.37 (all time) to 0.55 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

LDUR vs. LDSF — Risk / Return Rank

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

LDUR

LDUR Risk / Return Rank: 88
LDUR Sharpe Ratio Rank: 85
LDUR Sortino Ratio Rank: 91
LDUR Omega Ratio Rank: 88
LDUR Calmar Ratio Rank: 85
LDUR Martin Ratio Rank: 92

LDSF

LDSF Risk / Return Rank: 74
LDSF Sharpe Ratio Rank: 75
LDSF Sortino Ratio Rank: 84
LDSF Omega Ratio Rank: 84
LDSF Calmar Ratio Rank: 58
LDSF Martin Ratio Rank: 68

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.

LDUR vs. LDSF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO Enhanced Low Duration Active ETF (LDUR) and First Trust Low Duration Strategic Focus ETF (LDSF). 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.

	LDUR	LDSF	Difference
Sharpe ratio Return per unit of total volatility	2.83	2.47	+0.36
Sortino ratio Return per unit of downside risk	4.32	3.80	+0.52
Omega ratio Gain probability vs. loss probability	1.56	1.51	+0.05
Calmar ratio Return relative to maximum drawdown	4.70	2.92	+1.78
Martin ratio Return relative to average drawdown	22.64	12.40	+10.24
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LDUR vs. LDSF - Sharpe Ratio Comparison

The current LDUR Sharpe Ratio is 2.83, which is comparable to the LDSF Sharpe Ratio of 2.47. The chart below compares the historical Sharpe Ratios of LDUR and LDSF, 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

	LDUR	LDSF	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.83	2.47	+0.36
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.10	0.77	+0.33
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.88	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.87	0.81	+0.06

Drawdowns

LDUR vs. LDSF - Drawdown Comparison

The maximum LDUR drawdown since its inception was -8.68%, roughly equal to the maximum LDSF drawdown of -8.56%. Use the drawdown chart below to compare losses from any high point for LDUR and LDSF.

Drawdown Indicators

	LDUR	LDSF	Difference
Max Drawdown Largest peak-to-trough decline	-8.68%	-8.56%	-0.12%
Max Drawdown (1Y) Largest decline over 1 year	-0.93%	-1.74%	+0.81%
Max Drawdown (3Y) Largest decline over 3 years	-1.17%	-1.74%	+0.57%
Max Drawdown (5Y) Largest decline over 5 years	-6.75%	-7.83%	+1.08%
Max Drawdown (10Y) Largest decline over 10 years	-8.68%	—	—
Current Drawdown Current decline from peak	-0.04%	-0.27%	+0.23%
Average Drawdown Average peak-to-trough decline	-0.85%	-1.46%	+0.61%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.19%	0.41%	-0.22%

Volatility

LDUR vs. LDSF - Volatility Comparison

The current volatility for PIMCO Enhanced Low Duration Active ETF (LDUR) is 0.44%, while First Trust Low Duration Strategic Focus ETF (LDSF) has a volatility of 0.73%. This indicates that LDUR experiences smaller price fluctuations and is considered to be less risky than LDSF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LDUR	LDSF	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.44%	0.73%	-0.29%
Volatility (6M) Calculated over the trailing 6-month period	1.08%	1.65%	-0.57%
Volatility (1Y) Calculated over the trailing 1-year period	1.55%	2.06%	-0.51%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.03%	3.08%	-1.05%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.77%	3.18%	-0.41%

LDUR vs. LDSF - Expense Ratio Comparison

LDUR has a 0.54% expense ratio, which is lower than LDSF's 0.87% expense ratio.

Dividends

LDUR vs. LDSF - Dividend Comparison

LDUR's dividend yield for the trailing twelve months is around 4.35%, less than LDSF's 4.63% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LDSF First Trust Low Duration Strategic Focus ETF	4.63%	4.52%	4.53%	4.08%	2.61%	1.97%	2.65%	3.06%	0.00%	0.00%	0.00%	0.00%
LDUR PIMCO Enhanced Low Duration Active ETF	4.35%	4.60%	4.77%	4.11%	2.22%	0.90%	2.15%	3.14%	2.66%	2.08%	1.85%	2.92%

Frequently Asked Questions

Can I hold both LDUR and LDSF in my portfolio?

LDUR and LDSF have a correlation of 0.55, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LDUR or LDSF?

LDSF has higher volatility (0.73%) compared to LDUR (0.44%). In terms of maximum drawdown, LDUR dropped -8.68% vs LDSF's -8.56%.

Which ETF is better, LDUR or LDSF?

On 5-year performance, LDSF leads with 2.38% vs 2.23% for LDUR. On fees, LDUR is cheaper at 0.54% per year. On volatility, LDUR has been the lower-risk option at 0.44%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, LDUR or LDSF?

Over the 5-year period, LDSF has performed better with a 2.38% return vs 2.23%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, LDUR or LDSF?

LDUR is cheaper with a 0.54% expense ratio, compared with 0.87% for LDSF.

Which ETF pays a higher dividend yield, LDUR or LDSF?

LDSF has the higher dividend yield at 4.63%, compared with 4.35% for LDUR.

What is the main difference between LDUR and LDSF?

They also come from different issuers: PIMCO and First Trust. Their fees differ too: 0.54% for LDUR and 0.87% for LDSF.

Which has better risk-adjusted returns?

LDUR currently has the higher Sharpe Ratio (2.83 vs 2.47), 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.