LSIIX vs. BND

Last updated Jun 23, 2026

LSIIX (Loomis Sayles Investment Grade Bond Fund Class Y) and BND (Vanguard Total Bond Market ETF) are both Total Bond Market funds. Over the past 10 years, LSIIX returned 3.09%/yr vs 1.55%/yr for BND. A 0.66 correlation means they provide meaningful diversification when combined. LSIIX charges 0.54%/yr vs 0.03%/yr for BND.

Performance

LSIIX vs. BND - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Loomis Sayles Investment Grade Bond Fund Class Y (LSIIX) and Vanguard Total Bond Market ETF (BND). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LSIIX achieves a 0.46% return, which is significantly higher than BND's 0.38% return. Over the past 10 years, LSIIX has outperformed BND with an annualized return of 3.09%, while BND has yielded a comparatively lower 1.55% annualized return.

LSIIX

• 1D: 0.21%
• 1M: 0.94%
• YTD: 0.46%
• 6M: 0.56%
• 1Y: 3.36%
• 3Y*: 4.56%
• 5Y*: 0.83%
• 10Y*: 3.09%

BND

• 1D: -0.27%
• 1M: 0.53%
• YTD: 0.38%
• 6M: 0.45%
• 1Y: 4.37%
• 3Y*: 3.92%
• 5Y*: 0.04%
• 10Y*: 1.55%

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

LSIIX vs. BND - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
LSIIX Loomis Sayles Investment Grade Bond Fund Class Y	0.46%	5.58%	2.91%	7.50%	-11.31%	0.18%	11.60%	9.04%	-0.31%	6.65%
BND Vanguard Total Bond Market ETF	0.38%	7.08%	1.38%	5.65%	-13.11%	-1.86%	7.71%	8.84%	-0.12%	3.57%

Correlation

The correlation between LSIIX and BND is 0.76, 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	0.76
Correlation (3Y) Calculated over the trailing 3-year period	0.86
Correlation (5Y) Calculated over the trailing 5-year period	0.88
Correlation (10Y) Calculated over the trailing 10-year period	0.80
Correlation (All Time) Calculated using the full available price history since Apr 10, 2007	0.66

The correlation between LSIIX and BND shifts across timeframes, from 0.66 (all time) to 0.88 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

LSIIX vs. BND — Risk / Return Rank

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

LSIIX

LSIIX Risk / Return Rank: 15
LSIIX Sharpe Ratio Rank: 15
LSIIX Sortino Ratio Rank: 14
LSIIX Omega Ratio Rank: 14
LSIIX Calmar Ratio Rank: 16
LSIIX Martin Ratio Rank: 14

BND

BND Risk / Return Rank: 33
BND Sharpe Ratio Rank: 33
BND Sortino Ratio Rank: 34
BND Omega Ratio Rank: 31
BND Calmar Ratio Rank: 33
BND Martin Ratio Rank: 33

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.

LSIIX vs. BND - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Loomis Sayles Investment Grade Bond Fund Class Y (LSIIX) and Vanguard Total Bond Market ETF (BND). 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.

	LSIIX	BND	Difference
Sharpe ratio: Return per unit of total volatility	1.01	1.18	-0.16
Sortino ratio: Return per unit of downside risk	1.49	1.76	-0.27
Omega ratio: Gain probability vs. loss probability	1.18	1.21	-0.02
Calmar ratio: Return relative to maximum drawdown	1.34	1.64	-0.30
Martin ratio: Return relative to average drawdown	3.69	4.69	-1.00

LSIIX vs. BND - Sharpe Ratio Comparison

The current LSIIX Sharpe Ratio is 1.01, which is comparable to the BND Sharpe Ratio of 1.18. The chart below compares the historical Sharpe Ratios of LSIIX and BND, 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

LSIIX vs. BND - Drawdown Comparison

The maximum LSIIX drawdown since its inception was -20.77%, which is greater than BND's maximum drawdown of -18.58%. Use the drawdown chart below to compare losses from any high point for LSIIX and BND.

Drawdown Indicators

	LSIIX	BND	Difference
Max Drawdown Largest peak-to-trough decline	-20.77%	-18.58%	-2.19%
Max Drawdown (1Y) Largest decline over 1 year	-2.99%	-2.68%	-0.31%
Max Drawdown (3Y) Largest decline over 3 years	-5.45%	-5.92%	+0.47%
Max Drawdown (5Y) Largest decline over 5 years	-15.62%	-17.91%	+2.29%
Max Drawdown (10Y) Largest decline over 10 years	-15.62%	-18.58%	+2.96%
Current Drawdown Current decline from peak	-1.13%	-2.26%	+1.13%
Average Drawdown Average peak-to-trough decline	-2.42%	-3.06%	+0.64%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.03%	0.93%	+0.10%

Volatility

LSIIX vs. BND - Volatility Comparison

Loomis Sayles Investment Grade Bond Fund Class Y (LSIIX) has a higher volatility of 1.16% compared to Vanguard Total Bond Market ETF (BND) at 1.08%. This indicates that LSIIX's price experiences larger fluctuations and is considered to be riskier than BND based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LSIIX	BND	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.16%	1.08%	+0.08%
Volatility (6M) Calculated over the trailing 6-month period	2.89%	2.77%	+0.12%
Volatility (1Y) Calculated over the trailing 1-year period	3.96%	3.74%	+0.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.29%	6.03%	-0.74%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.51%	5.54%	-1.03%

LSIIX vs. BND - Expense Ratio Comparison

LSIIX has a 0.54% expense ratio, which is higher than BND's 0.03% expense ratio.

Dividends

LSIIX vs. BND - Dividend Comparison

LSIIX's dividend yield for the trailing twelve months is around 3.53%, less than BND's 3.96% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BND Vanguard Total Bond Market ETF	3.96%	3.86%	3.67%	3.09%	2.60%	2.12%	2.38%	2.72%	2.81%	2.54%	2.51%	2.57%
LSIIX Loomis Sayles Investment Grade Bond Fund Class Y	3.53%	3.68%	4.86%	4.25%	3.32%	4.10%	8.20%	3.56%	2.18%	4.10%	6.71%	3.91%

Frequently Asked Questions

Can I hold both LSIIX and BND in my portfolio?

LSIIX and BND have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LSIIX or BND?

LSIIX has higher volatility (1.16%) compared to BND (1.08%). In terms of maximum drawdown, LSIIX dropped -20.77% vs BND's -18.58%.

Which has better risk-adjusted returns?

BND currently has the higher Sharpe Ratio (1.18 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.