FITMX vs. VOO

Last updated Jun 24, 2026

FITMX (Fidelity SAI International Momentum Index Fund) and VOO (Vanguard S&P 500 ETF) are both funds - FITMX is a Foreign Large Cap Equities fund managed by Fidelity, while VOO is a S&P 500 fund tracking the S&P 500 Index. Over the past 5 years, FITMX returned 12.05%/yr vs 13.13%/yr for VOO. A 0.72 correlation means they provide meaningful diversification when combined. FITMX charges 0.18%/yr vs 0.03%/yr for VOO.

Performance

FITMX vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity SAI International Momentum Index Fund (FITMX) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FITMX achieves a 16.09% return, which is significantly higher than VOO's 8.19% return.

FITMX

• 1D: 1.01%
• 1M: 5.30%
• YTD: 16.09%
• 6M: 15.39%
• 1Y: 32.09%
• 3Y*: 23.32%
• 5Y*: 12.05%
• 10Y*: —

VOO

• 1D: -1.42%
• 1M: -1.34%
• YTD: 8.19%
• 6M: 7.24%
• 1Y: 23.69%
• 3Y*: 20.78%
• 5Y*: 13.13%
• 10Y*: 15.61%

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

FITMX vs. VOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
FITMX Fidelity SAI International Momentum Index Fund	16.09%	36.56%	8.97%	21.03%	-21.45%	12.88%	31.10%
VOO Vanguard S&P 500 ETF	8.19%	17.82%	24.98%	26.32%	-18.17%	28.79%	29.59%

Correlation

The correlation between FITMX and VOO is 0.75, 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	0.75
Correlation (3Y) Calculated over the trailing 3-year period	0.70
Correlation (5Y) Calculated over the trailing 5-year period	0.73
Correlation (All Time) Calculated using the full available price history since May 12, 2020	0.72

The correlation between FITMX and VOO has been stable across timeframes, ranging from 0.70 to 0.75 - a consistent structural relationship.

Return for Risk

FITMX vs. VOO — Risk / Return Rank

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

FITMX

FITMX Risk / Return Rank: 46
FITMX Sharpe Ratio Rank: 43
FITMX Sortino Ratio Rank: 43
FITMX Omega Ratio Rank: 44
FITMX Calmar Ratio Rank: 48
FITMX Martin Ratio Rank: 52

VOO

VOO Risk / Return Rank: 59
VOO Sharpe Ratio Rank: 59
VOO Sortino Ratio Rank: 56
VOO Omega Ratio Rank: 58
VOO Calmar Ratio Rank: 56
VOO Martin Ratio Rank: 67

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. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity SAI International Momentum Index Fund (FITMX) and Vanguard S&P 500 ETF (VOO). 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.

	FITMX	VOO	Difference
Sharpe ratio: Return per unit of total volatility	1.79	1.91	-0.13
Sortino ratio: Return per unit of downside risk	2.54	2.60	-0.06
Omega ratio: Gain probability vs. loss probability	1.33	1.35	-0.02
Calmar ratio: Return relative to maximum drawdown	2.53	2.67	-0.14
Martin ratio: Return relative to average drawdown	10.04	11.96	-1.92

FITMX vs. VOO - Sharpe Ratio Comparison

The current FITMX Sharpe Ratio is 1.79, which is comparable to the VOO Sharpe Ratio of 1.91. The chart below compares the historical Sharpe Ratios of FITMX and VOO, 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

FITMX vs. VOO - Drawdown Comparison

The maximum FITMX drawdown since its inception was -34.28%, roughly equal to the maximum VOO drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for FITMX and VOO.

Drawdown Indicators

	FITMX	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-34.28%	-33.99%	-0.29%
Max Drawdown (1Y) Largest decline over 1 year	-13.12%	-8.90%	-4.22%
Max Drawdown (3Y) Largest decline over 3 years	-14.10%	-18.69%	+4.59%
Max Drawdown (5Y) Largest decline over 5 years	-34.28%	-24.52%	-9.76%
Max Drawdown (10Y) Largest decline over 10 years	—	-33.99%	—
Current Drawdown Current decline from peak	0.00%	-3.14%	+3.14%
Average Drawdown Average peak-to-trough decline	-7.17%	-3.68%	-3.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.30%	1.99%	+1.31%

Volatility

FITMX vs. VOO - Volatility Comparison

Fidelity SAI International Momentum Index Fund (FITMX) has a higher volatility of 6.68% compared to Vanguard S&P 500 ETF (VOO) at 4.83%. This indicates that FITMX's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FITMX	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.68%	4.83%	+1.85%
Volatility (6M) Calculated over the trailing 6-month period	16.48%	9.82%	+6.66%
Volatility (1Y) Calculated over the trailing 1-year period	18.62%	12.46%	+6.16%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.94%	16.91%	+1.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.53%	18.02%	-0.49%

FITMX vs. VOO - Expense Ratio Comparison

FITMX has a 0.18% expense ratio, which is higher than VOO's 0.03% 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. VOO - Dividend Comparison

FITMX's dividend yield for the trailing twelve months is around 2.25%, more than VOO's 1.05% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FITMX Fidelity SAI International Momentum Index Fund	2.25%	2.62%	3.50%	3.39%	2.42%	2.52%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VOO Vanguard S&P 500 ETF	1.05%	1.13%	1.24%	1.46%	1.69%	1.25%	1.54%	1.88%	2.06%	1.78%	2.02%	2.10%

Frequently Asked Questions

Can I hold both FITMX and VOO in my portfolio?

FITMX and VOO have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FITMX or VOO?

FITMX has higher volatility (6.68%) compared to VOO (4.83%). In terms of maximum drawdown, FITMX dropped -34.28% vs VOO's -33.99%.

Which has better risk-adjusted returns?

VOO currently has the higher Sharpe Ratio (1.91 vs 1.79), 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.