MCSIX vs. FIFGX

Last updated Apr 1, 2026

Compare and contrast key facts about MFS Commodity Strategy Fund (MCSIX) and Fidelity SAI Inflation-Focused (FIFGX).

MCSIX is managed by MFS. It was launched on Jun 1, 2010. FIFGX is managed by Fidelity. It was launched on Dec 20, 2018.

Performance

MCSIX vs. FIFGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Commodity Strategy Fund (MCSIX) and Fidelity SAI Inflation-Focused (FIFGX). The values are adjusted to include any dividend payments, if applicable.

MCSIX vs. FIFGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
MCSIX MFS Commodity Strategy Fund	20.44%	18.47%	5.08%	-6.13%	13.40%	27.55%	-0.02%	7.79%	-2.14%
FIFGX Fidelity SAI Inflation-Focused	40.42%	7.44%	6.34%	-11.90%	9.30%	32.92%	1.48%	9.32%	-2.00%

Returns By Period

In the year-to-date period, MCSIX achieves a 20.44% return, which is significantly lower than FIFGX's 40.42% return.

MCSIX

• 1D: 0.46%
• 1M: 7.13%
• YTD: 20.44%
• 6M: 27.27%
• 1Y: 30.89%
• 3Y*: 13.89%
• 5Y*: 13.85%
• 10Y*: 8.18%

FIFGX

• 1D: 1.03%
• 1M: 22.58%
• YTD: 40.42%
• 6M: 39.86%
• 1Y: 40.86%
• 3Y*: 13.84%
• 5Y*: 13.85%
• 10Y*: —

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

MCSIX vs. FIFGX - Expense Ratio Comparison

MCSIX has a 0.90% expense ratio, which is higher than FIFGX's 0.39% expense ratio.

MCSIX

MFS Commodity Strategy Fund

FIFGX

Fidelity SAI Inflation-Focused

Return for Risk

MCSIX vs. FIFGX — Risk / Return Rank

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

MCSIX

MCSIX Risk / Return Rank: 90
MCSIX Sharpe Ratio Rank: 91
MCSIX Sortino Ratio Rank: 88
MCSIX Omega Ratio Rank: 86
MCSIX Calmar Ratio Rank: 95
MCSIX Martin Ratio Rank: 89

FIFGX

FIFGX Risk / Return Rank: 90
FIFGX Sharpe Ratio Rank: 92
FIFGX Sortino Ratio Rank: 91
FIFGX Omega Ratio Rank: 86
FIFGX Calmar Ratio Rank: 96
FIFGX Martin Ratio Rank: 87

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.

MCSIX vs. FIFGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Commodity Strategy Fund (MCSIX) and Fidelity SAI Inflation-Focused (FIFGX). 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.

	MCSIX	FIFGX	Difference
Sharpe ratio Return per unit of total volatility	1.90	2.00	-0.10
Sortino ratio Return per unit of downside risk	2.41	2.62	-0.21
Omega ratio Gain probability vs. loss probability	1.35	1.36	0.00
Calmar ratio Return relative to maximum drawdown	3.27	3.50	-0.23
Martin ratio Return relative to average drawdown	9.88	9.26	+0.63
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MCSIX vs. FIFGX - Sharpe Ratio Comparison

The current MCSIX Sharpe Ratio is 1.90, which is comparable to the FIFGX Sharpe Ratio of 2.00. The chart below compares the historical Sharpe Ratios of MCSIX and FIFGX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	MCSIX	FIFGX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.90	2.00	-0.10
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.40	0.03	+0.37
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.32	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.11	0.03	+0.08

Correlation

The correlation between MCSIX and FIFGX is 0.89, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

MCSIX vs. FIFGX - Dividend Comparison

MCSIX's dividend yield for the trailing twelve months is around 13.32%, more than FIFGX's 3.87% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MCSIX MFS Commodity Strategy Fund	13.32%	16.04%	3.30%	2.21%	27.42%	56.01%	0.88%	1.87%	3.50%	3.14%	0.61%	0.47%
FIFGX Fidelity SAI Inflation-Focused	3.87%	5.44%	4.73%	2.43%	12.64%	35.77%	3.10%	1.59%	0.00%	0.00%	0.00%	0.00%

Drawdowns

MCSIX vs. FIFGX - Drawdown Comparison

The maximum MCSIX drawdown since its inception was -64.20%, smaller than the maximum FIFGX drawdown of -92.38%. Use the drawdown chart below to compare losses from any high point for MCSIX and FIFGX.

Drawdown Indicators

	MCSIX	FIFGX	Difference
Max Drawdown Largest peak-to-trough decline	-64.20%	-92.38%	+28.18%
Max Drawdown (1Y) Largest decline over 1 year	-9.74%	-12.22%	+2.48%
Max Drawdown (5Y) Largest decline over 5 years	-37.61%	-92.38%	+54.77%
Max Drawdown (10Y) Largest decline over 10 years	-37.61%	—	—
Current Drawdown Current decline from peak	-1.58%	0.00%	-1.58%
Average Drawdown Average peak-to-trough decline	-33.63%	-14.19%	-19.44%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.23%	4.63%	-1.40%

Volatility

MCSIX vs. FIFGX - Volatility Comparison

The current volatility for MFS Commodity Strategy Fund (MCSIX) is 6.29%, while Fidelity SAI Inflation-Focused (FIFGX) has a volatility of 10.69%. This indicates that MCSIX experiences smaller price fluctuations and is considered to be less risky than FIFGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MCSIX	FIFGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.29%	10.69%	-4.40%
Volatility (6M) Calculated over the trailing 6-month period	13.48%	16.35%	-2.87%
Volatility (1Y) Calculated over the trailing 1-year period	16.72%	21.61%	-4.89%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	34.64%	408.16%	-373.52%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.03%	338.61%	-312.58%