FSIGX vs. FSMOX

Last updated Aug 1, 2026

FSIGX (Fidelity Series Investment Grade Bond Fund) and FSMOX (Fidelity SAI Investment Grade Securitized Fund) are both mutual funds - FSIGX is a Investment Grade Bonds fund managed by Fidelity, while FSMOX is a Intermediate Core Bond fund managed by Fidelity. Over the past 3 years, FSIGX returned 4.14%/yr vs 4.19%/yr for FSMOX. Their 0.96 correlation means they have historically moved very closely together.

Performance

FSIGX vs. FSMOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Series Investment Grade Bond Fund (FSIGX) and Fidelity SAI Investment Grade Securitized Fund (FSMOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FSIGX achieves a -0.48% return, which is significantly lower than FSMOX's 0.15% return.

FSIGX

• 1D: 0.00%
• 1M: -1.19%
• 6M: -0.73%
• YTD: -0.48%
• 1Y: 1.91%
• 3Y*: 4.14%
• 5Y*: 0.03%
• 10Y*: 2.10%
• ALL TIME*: 3.84%

FSMOX

• 1D: 0.10%
• 1M: -1.01%
• 6M: -0.37%
• YTD: 0.15%
• 1Y: 3.63%
• 3Y*: 4.19%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 3.46%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
FSIGX Fidelity Series Investment Grade Bond Fund	$0.00	$0.00	$0.00
FSMOX Fidelity SAI Investment Grade Securitized Fund	$0.00	$0.00	$0.00

FSIGX vs. FSMOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
FSIGX Fidelity Series Investment Grade Bond Fund	-0.48%	7.65%	1.79%	3.58%
FSMOX Fidelity SAI Investment Grade Securitized Fund	0.15%	8.52%	1.45%	1.16%

Correlation

The correlation between FSIGX and FSMOX is 0.95, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.95
Correlation (3Y) Balances recent behavior with more history.	0.96
Correlation (All Time) Calculated using the full available price history since May 17, 2023	0.96

The correlation between FSIGX and FSMOX has been stable across timeframes, ranging from 0.95 to 0.96 - a consistent structural relationship.

Return for Risk

FSIGX vs. FSMOX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

FSIGX

FSIGX Risk / Return Rank: 22
FSIGX Sharpe Ratio Rank: 24
FSIGX Sortino Ratio Rank: 23
FSIGX Omega Ratio Rank: 22
FSIGX Calmar Ratio Rank: 23
FSIGX Martin Ratio Rank: 19

FSMOX

FSMOX Risk / Return Rank: 41
FSMOX Sharpe Ratio Rank: 43
FSMOX Sortino Ratio Rank: 46
FSMOX Omega Ratio Rank: 41
FSMOX Calmar Ratio Rank: 44
FSMOX Martin Ratio Rank: 32

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

FSIGX vs. FSMOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Series Investment Grade Bond Fund (FSIGX) and Fidelity SAI Investment Grade Securitized Fund (FSMOX). 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.

	FSIGX	FSMOX	Difference
Sharpe ratio: Return per unit of total volatility	0.83	1.24	-0.42
Sortino ratio: Return per unit of downside risk	1.23	1.87	-0.64
Omega ratio: Gain probability vs. loss probability	1.15	1.22	-0.08
Calmar ratio: Return relative to maximum drawdown	1.08	1.73	-0.66
Martin ratio: Return relative to average drawdown	2.62	4.77	-2.14

FSIGX vs. FSMOX - Sharpe Ratio Comparison

The current FSIGX Sharpe Ratio is 0.83, which is lower than the FSMOX Sharpe Ratio of 1.24. The chart below compares the historical Sharpe Ratios of FSIGX and FSMOX, 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

FSIGX vs. FSMOX - Drawdown Comparison

The maximum FSIGX drawdown since its inception was -18.22%, which is greater than FSMOX's maximum drawdown of -8.65%. Use the drawdown chart below to compare losses from any high point for FSIGX and FSMOX.

Drawdown Indicators

	FSIGX	FSMOX	Difference
Max Drawdown Largest peak-to-trough decline	-18.22%	-8.65%	-9.57%
Max Drawdown (1Y) Largest decline over 1 year	-2.99%	-2.84%	-0.15%
Max Drawdown (3Y) Largest decline over 3 years	-5.20%	-6.98%	+1.78%
Max Drawdown (5Y) Largest decline over 5 years	-18.22%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-18.22%	—	—
Current Drawdown Current decline from peak	-2.48%	-1.98%	-0.50%
Average Drawdown Average peak-to-trough decline	-2.68%	-1.75%	-0.93%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.22%	1.03%	+0.19%

Volatility

FSIGX vs. FSMOX - Volatility Comparison

Fidelity Series Investment Grade Bond Fund (FSIGX) and Fidelity SAI Investment Grade Securitized Fund (FSMOX) have volatilities of 1.02% and 1.06%, 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

	FSIGX	FSMOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.02%	1.06%	-0.04%
Volatility (6M) Calculated over the trailing 6-month period	3.03%	3.07%	-0.04%
Volatility (1Y) Calculated over the trailing 1-year period	3.89%	3.96%	-0.07%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.08%	6.11%	-0.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.03%	6.11%	-1.08%

Dividends

FSIGX vs. FSMOX - Dividend Comparison

FSIGX's dividend yield for the trailing twelve months is around 3.97%, less than FSMOX's 4.14% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSIGX Fidelity Series Investment Grade Bond Fund	3.97%	4.24%	4.01%	4.00%	2.37%	1.88%	6.32%	3.09%	3.20%	2.86%	4.32%	3.07%
FSMOX Fidelity SAI Investment Grade Securitized Fund	4.14%	4.44%	5.07%	1.21%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FSIGX and FSMOX in my portfolio?

With a correlation of 0.95, FSIGX and FSMOX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, FSIGX or FSMOX?

FSMOX has higher volatility (1.06%) compared to FSIGX (1.02%). In terms of maximum drawdown, FSIGX dropped -18.22% vs FSMOX's -8.65%.

Which has better risk-adjusted returns?

FSMOX currently has the higher Sharpe Ratio (1.24 vs 0.83), 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.