LSGBX vs. LSBDX

Last updated Jun 5, 2026

LSGBX (Loomis Sayles Global Bond Fund) and LSBDX (Loomis Sayles Bond Fund) are both mutual funds - LSGBX is a Global Bonds fund managed by Loomis Sayles Funds, while LSBDX is a Multisector Bonds fund managed by Loomis Sayles Funds. Over the past 10 years, LSGBX returned 0.88%/yr vs 3.32%/yr for LSBDX. A 0.57 correlation means they provide meaningful diversification when combined. LSGBX charges 0.69%/yr vs 0.67%/yr for LSBDX.

Performance

LSGBX vs. LSBDX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Loomis Sayles Global Bond Fund (LSGBX) and Loomis Sayles Bond Fund (LSBDX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LSGBX achieves a -0.13% return, which is significantly higher than LSBDX's -0.36% return. Over the past 10 years, LSGBX has underperformed LSBDX with an annualized return of 0.88%, while LSBDX has yielded a comparatively higher 3.32% annualized return.

LSGBX

• 1D: -0.39%
• 1M: -0.00%
• YTD: -0.13%
• 6M: 0.11%
• 1Y: 2.02%
• 3Y*: 3.35%
• 5Y*: -2.19%
• 10Y*: 0.88%

LSBDX

• 1D: -0.17%
• 1M: -0.07%
• YTD: -0.36%
• 6M: 0.13%
• 1Y: 4.50%
• 3Y*: 6.95%
• 5Y*: 2.16%
• 10Y*: 3.32%

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

LSGBX vs. LSBDX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
LSGBX Loomis Sayles Global Bond Fund	-0.13%	8.52%	-2.46%	5.48%	-17.18%	-4.94%	13.49%	7.52%	-2.49%	8.87%
LSBDX Loomis Sayles Bond Fund	-0.36%	8.67%	6.70%	8.05%	-12.50%	3.23%	2.14%	11.72%	-2.87%	7.47%

Correlation

The correlation between LSGBX and LSBDX is 0.81, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.81
Correlation (3Y) Calculated over the trailing 3-year period	0.84
Correlation (5Y) Calculated over the trailing 5-year period	0.81
Correlation (10Y) Calculated over the trailing 10-year period	0.67
Correlation (All Time) Calculated using the full available price history since May 13, 1991	0.57

Over the past year, LSGBX and LSBDX have become more correlated (0.81) than their long-term average of 0.57, meaning their price movements have been converging.

Return for Risk

LSGBX vs. LSBDX — Risk / Return Rank

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

LSGBX

LSGBX Risk / Return Rank: 7
LSGBX Sharpe Ratio Rank: 7
LSGBX Sortino Ratio Rank: 7
LSGBX Omega Ratio Rank: 7
LSGBX Calmar Ratio Rank: 9
LSGBX Martin Ratio Rank: 8

LSBDX

LSBDX Risk / Return Rank: 33
LSBDX Sharpe Ratio Rank: 36
LSBDX Sortino Ratio Rank: 39
LSBDX Omega Ratio Rank: 38
LSBDX Calmar Ratio Rank: 25
LSBDX Martin Ratio Rank: 25

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.

LSGBX vs. LSBDX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Loomis Sayles Global Bond Fund (LSGBX) and Loomis Sayles Bond Fund (LSBDX). 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.

	LSGBX	LSBDX	Difference
Sharpe ratio: Return per unit of total volatility	0.57	1.73	-1.16
Sortino ratio: Return per unit of downside risk	0.87	2.60	-1.73
Omega ratio: Gain probability vs. loss probability	1.10	1.33	-0.23
Calmar ratio: Return relative to maximum drawdown	0.78	1.83	-1.05
Martin ratio: Return relative to average drawdown	2.06	6.09	-4.03
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LSGBX vs. LSBDX - Sharpe Ratio Comparison

The current LSGBX Sharpe Ratio is 0.57, which is lower than the LSBDX Sharpe Ratio of 1.73. The chart below compares the historical Sharpe Ratios of LSGBX and LSBDX, 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

	LSGBX	LSBDX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.57	1.73	-1.16
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.34	0.45	-0.79
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.15	0.70	-0.54
Sharpe Ratio (All Time) Calculated using the full available price history	0.79	1.41	-0.62

Drawdowns

LSGBX vs. LSBDX - Drawdown Comparison

The maximum LSGBX drawdown since its inception was -26.86%, smaller than the maximum LSBDX drawdown of -30.58%. Use the drawdown chart below to compare losses from any high point for LSGBX and LSBDX.

Drawdown Indicators

	LSGBX	LSBDX	Difference
Max Drawdown Largest peak-to-trough decline	-26.86%	-30.58%	+3.72%
Max Drawdown (1Y) Largest decline over 1 year	-4.05%	-3.25%	-0.80%
Max Drawdown (3Y) Largest decline over 3 years	-7.42%	-5.55%	-1.87%
Max Drawdown (5Y) Largest decline over 5 years	-25.41%	-16.60%	-8.81%
Max Drawdown (10Y) Largest decline over 10 years	-26.86%	-16.60%	-10.26%
Current Drawdown Current decline from peak	-12.46%	-1.76%	-10.70%
Average Drawdown Average peak-to-trough decline	-4.80%	-2.80%	-2.00%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.46%	0.98%	+0.48%

Volatility

LSGBX vs. LSBDX - Volatility Comparison

Loomis Sayles Global Bond Fund (LSGBX) has a higher volatility of 1.70% compared to Loomis Sayles Bond Fund (LSBDX) at 1.27%. This indicates that LSGBX's price experiences larger fluctuations and is considered to be riskier than LSBDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LSGBX	LSBDX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.70%	1.27%	+0.43%
Volatility (6M) Calculated over the trailing 6-month period	3.83%	2.58%	+1.25%
Volatility (1Y) Calculated over the trailing 1-year period	5.60%	3.44%	+2.16%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.64%	5.01%	+1.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.80%	4.88%	+0.92%

LSGBX vs. LSBDX - Expense Ratio Comparison

LSGBX has a 0.69% expense ratio, which is higher than LSBDX's 0.67% expense ratio.

Dividends

LSGBX vs. LSBDX - Dividend Comparison

LSGBX's dividend yield for the trailing twelve months is around 0.11%, less than LSBDX's 3.87% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LSBDX Loomis Sayles Bond Fund	3.87%	4.15%	5.51%	5.09%	5.13%	2.88%	3.83%	3.97%	3.78%	5.86%	3.13%	7.37%
LSGBX Loomis Sayles Global Bond Fund	0.11%	0.11%	0.00%	0.00%	0.00%	4.31%	4.94%	1.75%	0.66%	0.28%	0.43%	0.00%

Frequently Asked Questions

Can I hold both LSGBX and LSBDX in my portfolio?

LSGBX and LSBDX have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LSGBX or LSBDX?

LSGBX has higher volatility (1.70%) compared to LSBDX (1.27%). In terms of maximum drawdown, LSGBX dropped -26.86% vs LSBDX's -30.58%.

Which has better risk-adjusted returns?

LSBDX currently has the higher Sharpe Ratio (1.73 vs 0.57), 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.