FITMX vs. FSOSX

Last updated Jun 4, 2026

FITMX (Fidelity SAI International Momentum Index Fund) and FSOSX (Fidelity Series Overseas Fund) are both Foreign Large Cap Equities funds from Fidelity. Over the past 5 years, FITMX returned 10.98%/yr vs 6.73%/yr for FSOSX. Their correlation of 0.95 suggests significant overlap in exposure. FITMX charges 0.18%/yr vs 0.01%/yr for FSOSX.

Performance

FITMX vs. FSOSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity SAI International Momentum Index Fund (FITMX) and Fidelity Series Overseas Fund (FSOSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FITMX achieves a 11.85% return, which is significantly higher than FSOSX's 5.63% return.

FITMX

• 1D: 1.05%
• 1M: 4.42%
• YTD: 11.85%
• 6M: 13.53%
• 1Y: 26.03%
• 3Y*: 22.30%
• 5Y*: 10.98%
• 10Y*: —

FSOSX

• 1D: 0.96%
• 1M: 3.89%
• YTD: 5.63%
• 6M: 7.55%
• 1Y: 8.98%
• 3Y*: 13.16%
• 5Y*: 6.73%
• 10Y*: —

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

FITMX vs. FSOSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
FITMX Fidelity SAI International Momentum Index Fund	11.85%	36.56%	8.97%	21.03%	-21.45%	12.88%	31.10%
FSOSX Fidelity Series Overseas Fund	5.63%	21.29%	5.87%	21.49%	-23.25%	19.59%	34.01%

Correlation

The correlation between FITMX and FSOSX is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.96
Correlation (3Y) Calculated over the trailing 3-year period	0.94
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (All Time) Calculated using the full available price history since May 13, 2020	0.95

The correlation between FITMX and FSOSX has been stable across timeframes, ranging from 0.94 to 0.96 - a consistent structural relationship.

Return for Risk

FITMX vs. FSOSX — Risk / Return Rank

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

FITMX

FITMX Risk / Return Rank: 27
FITMX Sharpe Ratio Rank: 25
FITMX Sortino Ratio Rank: 25
FITMX Omega Ratio Rank: 26
FITMX Calmar Ratio Rank: 27
FITMX Martin Ratio Rank: 34

FSOSX

FSOSX Risk / Return Rank: 7
FSOSX Sharpe Ratio Rank: 6
FSOSX Sortino Ratio Rank: 6
FSOSX Omega Ratio Rank: 6
FSOSX Calmar Ratio Rank: 7
FSOSX Martin Ratio Rank: 8

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.

FITMX vs. FSOSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity SAI International Momentum Index Fund (FITMX) and Fidelity Series Overseas Fund (FSOSX). 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.

	FITMX	FSOSX	Difference
Sharpe ratio: Return per unit of total volatility	1.42	0.50	+0.92
Sortino ratio: Return per unit of downside risk	2.09	0.83	+1.25
Omega ratio: Gain probability vs. loss probability	1.26	1.10	+0.16
Calmar ratio: Return relative to maximum drawdown	1.93	0.68	+1.25
Martin ratio: Return relative to average drawdown	7.73	2.42	+5.31
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FITMX vs. FSOSX - Sharpe Ratio Comparison

The current FITMX Sharpe Ratio is 1.42, which is higher than the FSOSX Sharpe Ratio of 0.50. The chart below compares the historical Sharpe Ratios of FITMX and FSOSX, 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

	FITMX	FSOSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.42	0.50	+0.92
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.62	0.38	+0.24
Sharpe Ratio (All Time) Calculated using the full available price history	0.87	0.51	+0.36

Drawdowns

FITMX vs. FSOSX - Drawdown Comparison

The maximum FITMX drawdown since its inception was -34.28%, roughly equal to the maximum FSOSX drawdown of -35.36%. Use the drawdown chart below to compare losses from any high point for FITMX and FSOSX.

Drawdown Indicators

	FITMX	FSOSX	Difference
Max Drawdown Largest peak-to-trough decline	-34.28%	-35.36%	+1.08%
Max Drawdown (1Y) Largest decline over 1 year	-13.12%	-12.39%	-0.73%
Max Drawdown (3Y) Largest decline over 3 years	-14.10%	-14.07%	-0.03%
Max Drawdown (5Y) Largest decline over 5 years	-34.28%	-35.36%	+1.08%
Current Drawdown Current decline from peak	-0.44%	-1.31%	+0.87%
Average Drawdown Average peak-to-trough decline	-7.23%	-7.78%	+0.55%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.27%	3.46%	-0.19%

Volatility

FITMX vs. FSOSX - Volatility Comparison

Fidelity SAI International Momentum Index Fund (FITMX) has a higher volatility of 6.50% compared to Fidelity Series Overseas Fund (FSOSX) at 6.14%. This indicates that FITMX's price experiences larger fluctuations and is considered to be riskier than FSOSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FITMX	FSOSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.50%	6.14%	+0.36%
Volatility (6M) Calculated over the trailing 6-month period	15.49%	14.30%	+1.19%
Volatility (1Y) Calculated over the trailing 1-year period	17.82%	16.80%	+1.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.76%	17.67%	+0.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.43%	19.05%	-1.62%

FITMX vs. FSOSX - Expense Ratio Comparison

FITMX has a 0.18% expense ratio, which is higher than FSOSX's 0.01% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

FITMX vs. FSOSX - Dividend Comparison

FITMX's dividend yield for the trailing twelve months is around 2.34%, less than FSOSX's 8.66% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
FITMX Fidelity SAI International Momentum Index Fund	2.34%	2.62%	3.50%	3.39%	2.42%	2.52%	0.00%	0.00%
FSOSX Fidelity Series Overseas Fund	8.66%	9.15%	2.25%	1.63%	1.80%	2.92%	1.12%	0.37%

Frequently Asked Questions

Can I hold both FITMX and FSOSX in my portfolio?

With a correlation of 0.96, FITMX and FSOSX 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, FITMX or FSOSX?

FITMX has higher volatility (6.50%) compared to FSOSX (6.14%). In terms of maximum drawdown, FITMX dropped -34.28% vs FSOSX's -35.36%.

Which has better risk-adjusted returns?

FITMX currently has the higher Sharpe Ratio (1.42 vs 0.50), 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.