LSIOX vs. LSGSX

Last updated Jun 25, 2026

LSIOX (Loomis Sayles High Income Opps Fund) and LSGSX (Loomis Sayles Inflation Protected Securities Fund) are both mutual funds - LSIOX is a High Yield Bonds fund managed by Loomis Sayles Funds, while LSGSX is a Inflation-Protected Bonds fund managed by Loomis Sayles Funds. Over the past 10 years, LSIOX returned 5.74%/yr vs 2.49%/yr for LSGSX. At a 0.17 correlation, their price movements are largely independent. LSIOX charges 0.00%/yr vs 0.40%/yr for LSGSX.

Performance

LSIOX vs. LSGSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Loomis Sayles High Income Opps Fund (LSIOX) and Loomis Sayles Inflation Protected Securities Fund (LSGSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LSIOX achieves a 2.16% return, which is significantly higher than LSGSX's 0.41% return. Over the past 10 years, LSIOX has outperformed LSGSX with an annualized return of 5.74%, while LSGSX has yielded a comparatively lower 2.49% annualized return.

LSIOX

• 1D: -0.11%
• 1M: 0.52%
• YTD: 2.16%
• 6M: 2.39%
• 1Y: 7.06%
• 3Y*: 9.78%
• 5Y*: 3.60%
• 10Y*: 5.74%

LSGSX

• 1D: -0.31%
• 1M: 0.10%
• YTD: 0.41%
• 6M: 0.31%
• 1Y: 2.07%
• 3Y*: 3.08%
• 5Y*: 0.34%
• 10Y*: 2.49%

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

LSIOX vs. LSGSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
LSIOX Loomis Sayles High Income Opps Fund	2.16%	9.31%	9.95%	10.81%	-12.85%	4.32%	9.25%	13.01%	-2.08%	8.40%
LSGSX Loomis Sayles Inflation Protected Securities Fund	0.41%	5.66%	1.80%	3.63%	-12.50%	5.01%	13.97%	8.63%	-2.23%	3.61%

Correlation

The correlation between LSIOX and LSGSX is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.39
Correlation (3Y) Calculated over the trailing 3-year period	0.43
Correlation (5Y) Calculated over the trailing 5-year period	0.37
Correlation (10Y) Calculated over the trailing 10-year period	0.24
Correlation (All Time) Calculated using the full available price history since Aug 27, 2013	0.17

Over the past year, LSIOX and LSGSX have become more correlated (0.39) than their long-term average of 0.17, meaning their price movements have been converging.

Return for Risk

LSIOX vs. LSGSX — Risk / Return Rank

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

LSIOX

LSIOX Risk / Return Rank: 94
LSIOX Sharpe Ratio Rank: 94
LSIOX Sortino Ratio Rank: 95
LSIOX Omega Ratio Rank: 91
LSIOX Calmar Ratio Rank: 94
LSIOX Martin Ratio Rank: 96

LSGSX

LSGSX Risk / Return Rank: 11
LSGSX Sharpe Ratio Rank: 10
LSGSX Sortino Ratio Rank: 9
LSGSX Omega Ratio Rank: 9
LSGSX Calmar Ratio Rank: 14
LSGSX 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.

LSIOX vs. LSGSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Loomis Sayles High Income Opps Fund (LSIOX) and Loomis Sayles Inflation Protected Securities Fund (LSGSX). 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.

	LSIOX	LSGSX	Difference
Sharpe ratio: Return per unit of total volatility	2.90	0.68	+2.22
Sortino ratio: Return per unit of downside risk	4.64	0.97	+3.66
Omega ratio: Gain probability vs. loss probability	1.61	1.12	+0.48
Calmar ratio: Return relative to maximum drawdown	4.92	1.10	+3.82
Martin ratio: Return relative to average drawdown	21.88	2.46	+19.41

LSIOX vs. LSGSX - Sharpe Ratio Comparison

The current LSIOX Sharpe Ratio is 2.90, which is higher than the LSGSX Sharpe Ratio of 0.68. The chart below compares the historical Sharpe Ratios of LSIOX and LSGSX, 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

LSIOX vs. LSGSX - Drawdown Comparison

The maximum LSIOX drawdown since its inception was -20.94%, which is greater than LSGSX's maximum drawdown of -17.20%. Use the drawdown chart below to compare losses from any high point for LSIOX and LSGSX.

Drawdown Indicators

	LSIOX	LSGSX	Difference
Max Drawdown Largest peak-to-trough decline	-20.94%	-17.20%	-3.74%
Max Drawdown (1Y) Largest decline over 1 year	-1.82%	-2.34%	+0.52%
Max Drawdown (3Y) Largest decline over 3 years	-4.24%	-4.66%	+0.42%
Max Drawdown (5Y) Largest decline over 5 years	-17.13%	-15.23%	-1.90%
Max Drawdown (10Y) Largest decline over 10 years	-20.94%	-15.23%	-5.71%
Current Drawdown Current decline from peak	-0.44%	-2.86%	+2.42%
Average Drawdown Average peak-to-trough decline	-2.79%	-4.59%	+1.80%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.38%	1.03%	-0.65%

Volatility

LSIOX vs. LSGSX - Volatility Comparison

The current volatility for Loomis Sayles High Income Opps Fund (LSIOX) is 0.81%, while Loomis Sayles Inflation Protected Securities Fund (LSGSX) has a volatility of 1.15%. This indicates that LSIOX experiences smaller price fluctuations and is considered to be less risky than LSGSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LSIOX	LSGSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.81%	1.15%	-0.34%
Volatility (6M) Calculated over the trailing 6-month period	2.24%	2.48%	-0.24%
Volatility (1Y) Calculated over the trailing 1-year period	3.10%	3.82%	-0.72%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.30%	6.29%	-0.99%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.69%	5.60%	+0.09%

LSIOX vs. LSGSX - Expense Ratio Comparison

LSIOX has a 0.00% expense ratio, which is lower than LSGSX's 0.40% expense ratio.

Dividends

LSIOX vs. LSGSX - Dividend Comparison

LSIOX's dividend yield for the trailing twelve months is around 6.76%, more than LSGSX's 2.67% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LSGSX Loomis Sayles Inflation Protected Securities Fund	2.67%	3.53%	3.52%	3.88%	8.23%	5.60%	0.99%	1.96%	2.90%	2.38%	1.48%	0.75%
LSIOX Loomis Sayles High Income Opps Fund	6.76%	6.39%	7.34%	7.31%	7.32%	9.02%	5.58%	5.62%	7.50%	5.64%	6.03%	6.18%

Frequently Asked Questions

Can I hold both LSIOX and LSGSX in my portfolio?

LSIOX and LSGSX have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LSIOX or LSGSX?

LSGSX has higher volatility (1.15%) compared to LSIOX (0.81%). In terms of maximum drawdown, LSIOX dropped -20.94% vs LSGSX's -17.20%.

Which has better risk-adjusted returns?

LSIOX currently has the higher Sharpe Ratio (2.90 vs 0.68), 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.