LLDYX vs. VFSTX

Last updated Jun 4, 2026

LLDYX (Lord Abbett Short Duration Income Fund) and VFSTX (Vanguard Short-Term Investment-Grade Fund Investor Shares) are both Total Bond Market funds. Over the past 10 years, LLDYX returned 2.72%/yr vs 2.54%/yr for VFSTX. A 0.56 correlation means they provide meaningful diversification when combined. LLDYX charges 0.38%/yr vs 0.20%/yr for VFSTX.

Performance

LLDYX vs. VFSTX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Lord Abbett Short Duration Income Fund (LLDYX) and Vanguard Short-Term Investment-Grade Fund Investor Shares (VFSTX). 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 LLDYX having a 0.78% return and VFSTX slightly lower at 0.77%. Over the past 10 years, LLDYX has outperformed VFSTX with an annualized return of 2.72%, while VFSTX has yielded a comparatively lower 2.54% annualized return.

LLDYX

• 1D: -0.26%
• 1M: 0.16%
• YTD: 0.78%
• 6M: 1.21%
• 1Y: 4.44%
• 3Y*: 5.19%
• 5Y*: 2.33%
• 10Y*: 2.72%

VFSTX

• 1D: 0.00%
• 1M: 0.30%
• YTD: 0.77%
• 6M: 1.05%
• 1Y: 4.69%
• 3Y*: 5.52%
• 5Y*: 2.30%
• 10Y*: 2.54%

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

LLDYX vs. VFSTX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
LLDYX Lord Abbett Short Duration Income Fund	0.78%	6.19%	5.13%	5.41%	-5.35%	1.07%	3.17%	5.64%	1.47%	2.74%
VFSTX Vanguard Short-Term Investment-Grade Fund Investor Shares	0.77%	6.75%	4.98%	6.06%	-5.84%	-0.70%	5.16%	5.75%	0.87%	2.02%

Correlation

The correlation between LLDYX and VFSTX is 0.58, 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	0.58
Correlation (3Y) Calculated over the trailing 3-year period	0.64
Correlation (5Y) Calculated over the trailing 5-year period	0.68
Correlation (10Y) Calculated over the trailing 10-year period	0.62
Correlation (All Time) Calculated using the full available price history since Oct 19, 2004	0.56

The correlation between LLDYX and VFSTX shifts across timeframes, from 0.56 (all time) to 0.68 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

LLDYX vs. VFSTX — Risk / Return Rank

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

LLDYX

LLDYX Risk / Return Rank: 69
LLDYX Sharpe Ratio Rank: 41
LLDYX Sortino Ratio Rank: 63
LLDYX Omega Ratio Rank: 90
LLDYX Calmar Ratio Rank: 76
LLDYX Martin Ratio Rank: 73

VFSTX

VFSTX Risk / Return Rank: 59
VFSTX Sharpe Ratio Rank: 48
VFSTX Sortino Ratio Rank: 75
VFSTX Omega Ratio Rank: 68
VFSTX Calmar Ratio Rank: 52
VFSTX Martin Ratio Rank: 53

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.

LLDYX vs. VFSTX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Lord Abbett Short Duration Income Fund (LLDYX) and Vanguard Short-Term Investment-Grade Fund Investor Shares (VFSTX). 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.

	LLDYX	VFSTX	Difference
Sharpe ratio: Return per unit of total volatility	1.86	2.04	-0.19
Sortino ratio: Return per unit of downside risk	3.33	3.61	-0.28
Omega ratio: Gain probability vs. loss probability	1.65	1.46	+0.19
Calmar ratio: Return relative to maximum drawdown	3.47	2.76	+0.71
Martin ratio: Return relative to average drawdown	13.96	10.82	+3.14
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LLDYX vs. VFSTX - Sharpe Ratio Comparison

The current LLDYX Sharpe Ratio is 1.86, which is comparable to the VFSTX Sharpe Ratio of 2.04. The chart below compares the historical Sharpe Ratios of LLDYX and VFSTX, 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

	LLDYX	VFSTX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.86	2.04	-0.19
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.86	0.78	+0.08
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.05	1.03	+0.03
Sharpe Ratio (All Time) Calculated using the full available price history	1.09	1.51	-0.42

Drawdowns

LLDYX vs. VFSTX - Drawdown Comparison

The maximum LLDYX drawdown since its inception was -10.54%, which is greater than VFSTX's maximum drawdown of -9.35%. Use the drawdown chart below to compare losses from any high point for LLDYX and VFSTX.

Drawdown Indicators

	LLDYX	VFSTX	Difference
Max Drawdown Largest peak-to-trough decline	-10.54%	-9.35%	-1.19%
Max Drawdown (1Y) Largest decline over 1 year	-1.29%	-1.71%	+0.42%
Max Drawdown (3Y) Largest decline over 3 years	-1.29%	-1.71%	+0.42%
Max Drawdown (5Y) Largest decline over 5 years	-7.43%	-9.35%	+1.92%
Max Drawdown (10Y) Largest decline over 10 years	-9.67%	-9.35%	-0.32%
Current Drawdown Current decline from peak	-0.26%	-0.26%	0.00%
Average Drawdown Average peak-to-trough decline	-1.20%	-1.12%	-0.08%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.32%	0.43%	-0.11%

Volatility

LLDYX vs. VFSTX - Volatility Comparison

Lord Abbett Short Duration Income Fund (LLDYX) and Vanguard Short-Term Investment-Grade Fund Investor Shares (VFSTX) have volatilities of 0.73% and 0.74%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LLDYX	VFSTX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.73%	0.74%	-0.01%
Volatility (6M) Calculated over the trailing 6-month period	1.68%	1.65%	+0.03%
Volatility (1Y) Calculated over the trailing 1-year period	2.40%	2.31%	+0.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.74%	2.98%	-0.24%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.59%	2.48%	+0.11%

LLDYX vs. VFSTX - Expense Ratio Comparison

LLDYX has a 0.38% expense ratio, which is higher than VFSTX's 0.20% expense ratio.

Dividends

LLDYX vs. VFSTX - Dividend Comparison

LLDYX's dividend yield for the trailing twelve months is around 5.16%, more than VFSTX's 4.61% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LLDYX Lord Abbett Short Duration Income Fund	5.16%	5.21%	4.73%	4.71%	2.58%	2.52%	3.06%	3.79%	4.11%	3.90%	4.15%	4.15%
VFSTX Vanguard Short-Term Investment-Grade Fund Investor Shares	4.61%	4.48%	4.06%	3.05%	1.93%	1.70%	2.24%	2.83%	2.68%	2.00%	2.04%	1.99%

Frequently Asked Questions

Can I hold both LLDYX and VFSTX in my portfolio?

LLDYX and VFSTX have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LLDYX or VFSTX?

VFSTX has higher volatility (0.74%) compared to LLDYX (0.73%). In terms of maximum drawdown, LLDYX dropped -10.54% vs VFSTX's -9.35%.

Which has better risk-adjusted returns?

VFSTX currently has the higher Sharpe Ratio (2.04 vs 1.86), 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.