FDMO vs. FXAIX
Compare and contrast key facts about Fidelity Momentum Factor ETF (FDMO) and Fidelity 500 Index Fund (FXAIX).
FDMO is a passively managed fund by Fidelity that tracks the performance of the Fidelity U.S. Momentum Factor Index. It was launched on Sep 12, 2016. FXAIX is a passively managed fund by Fidelity that tracks the performance of the S&P 500 Index. It was launched on Feb 17, 1988. Both FDMO and FXAIX are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
FDMO vs. FXAIX - Performance Comparison
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FDMO vs. FXAIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FDMO Fidelity Momentum Factor ETF | -4.46% | 21.43% | 32.78% | 24.79% | -19.32% | 22.23% | 21.71% | 25.29% | -4.13% | 23.93% |
FXAIX Fidelity 500 Index Fund | -7.05% | 17.84% | 25.01% | 26.29% | -18.14% | 28.71% | 18.42% | 31.48% | -4.43% | 21.82% |
Returns By Period
In the year-to-date period, FDMO achieves a -4.46% return, which is significantly higher than FXAIX's -7.05% return.
FDMO
- 1D
- 3.97%
- 1M
- -4.65%
- YTD
- -4.46%
- 6M
- -3.37%
- 1Y
- 23.95%
- 3Y*
- 22.48%
- 5Y*
- 12.99%
- 10Y*
- —
FXAIX
- 1D
- -0.39%
- 1M
- -7.68%
- YTD
- -7.05%
- 6M
- -4.59%
- 1Y
- 14.42%
- 3Y*
- 17.17%
- 5Y*
- 11.40%
- 10Y*
- 13.75%
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FDMO vs. FXAIX - Expense Ratio Comparison
FDMO has a 0.29% expense ratio, which is higher than FXAIX's 0.02% expense ratio.
Return for Risk
FDMO vs. FXAIX — Risk / Return Rank
FDMO
FXAIX
FDMO vs. FXAIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Momentum Factor ETF (FDMO) and Fidelity 500 Index Fund (FXAIX). 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.
| FDMO | FXAIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.08 | 0.84 | +0.25 |
Sortino ratioReturn per unit of downside risk | 1.64 | 1.30 | +0.34 |
Omega ratioGain probability vs. loss probability | 1.23 | 1.20 | +0.04 |
Calmar ratioReturn relative to maximum drawdown | 2.03 | 1.05 | +0.97 |
Martin ratioReturn relative to average drawdown | 7.44 | 5.13 | +2.32 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| FDMO | FXAIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.08 | 0.84 | +0.25 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.69 | 0.68 | +0.01 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.77 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.72 | 0.75 | -0.03 |
Correlation
The correlation between FDMO and FXAIX is 0.92, 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
FDMO vs. FXAIX - Dividend Comparison
FDMO's dividend yield for the trailing twelve months is around 0.67%, less than FXAIX's 1.20% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FDMO Fidelity Momentum Factor ETF | 0.67% | 0.61% | 0.90% | 0.87% | 1.19% | 0.60% | 0.77% | 1.23% | 1.22% | 1.09% | 0.45% | 0.00% |
FXAIX Fidelity 500 Index Fund | 1.20% | 1.11% | 1.25% | 1.45% | 1.69% | 1.22% | 1.60% | 2.06% | 2.72% | 1.97% | 2.52% | 2.83% |
Drawdowns
FDMO vs. FXAIX - Drawdown Comparison
The maximum FDMO drawdown since its inception was -33.94%, roughly equal to the maximum FXAIX drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for FDMO and FXAIX.
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Drawdown Indicators
| FDMO | FXAIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -33.94% | -33.79% | -0.15% |
Max Drawdown (1Y)Largest decline over 1 year | -12.33% | -12.13% | -0.20% |
Max Drawdown (5Y)Largest decline over 5 years | -25.44% | -24.50% | -0.94% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.79% | — |
Current DrawdownCurrent decline from peak | -8.73% | -8.89% | +0.16% |
Average DrawdownAverage peak-to-trough decline | -5.49% | -3.83% | -1.66% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.36% | 2.50% | +0.86% |
Volatility
FDMO vs. FXAIX - Volatility Comparison
Fidelity Momentum Factor ETF (FDMO) has a higher volatility of 7.54% compared to Fidelity 500 Index Fund (FXAIX) at 4.24%. This indicates that FDMO's price experiences larger fluctuations and is considered to be riskier than FXAIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FDMO | FXAIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.54% | 4.24% | +3.30% |
Volatility (6M)Calculated over the trailing 6-month period | 13.62% | 9.08% | +4.54% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.23% | 18.13% | +4.10% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.98% | 16.88% | +2.10% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.55% | 18.03% | +1.52% |