FXAIX vs. VFITX
FXAIX (Fidelity 500 Index Fund) and VFITX (Vanguard Intermediate-Term Treasury Fund Investor Shares) are both mutual funds - FXAIX is a S&P 500 fund tracking the S&P 500 Index, while VFITX is a Government Bonds fund managed by Vanguard. Over the past 10 years, FXAIX returned 15.57%/yr vs 1.30%/yr for VFITX. At a correlation of -0.19, they often move in opposite directions. FXAIX charges 0.02%/yr vs 0.20%/yr for VFITX.
Performance
FXAIX vs. VFITX - Performance Comparison
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Returns By Period
In the year-to-date period, FXAIX achieves a 11.36% return, which is significantly higher than VFITX's -0.41% return. Over the past 10 years, FXAIX has outperformed VFITX with an annualized return of 15.57%, while VFITX has yielded a comparatively lower 1.30% annualized return.
FXAIX
- 1D
- 0.42%
- 1M
- 2.62%
- YTD
- 11.36%
- 6M
- 11.04%
- 1Y
- 27.91%
- 3Y*
- 22.71%
- 5Y*
- 14.00%
- 10Y*
- 15.57%
VFITX
- 1D
- 0.20%
- 1M
- -0.17%
- YTD
- -0.41%
- 6M
- -0.08%
- 1Y
- 4.27%
- 3Y*
- 3.48%
- 5Y*
- 0.06%
- 10Y*
- 1.30%
FXAIX vs. VFITX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FXAIX Fidelity 500 Index Fund | 11.36% | 17.84% | 25.01% | 26.29% | -18.14% | 28.71% | 18.42% | 31.48% | -4.43% | 21.82% |
VFITX Vanguard Intermediate-Term Treasury Fund Investor Shares | -0.41% | 7.54% | 1.39% | 4.08% | -10.43% | -2.38% | 8.20% | 6.29% | 1.01% | 1.57% |
Correlation
The correlation between FXAIX and VFITX is 0.18, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.18 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.13 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.08 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.07 |
Correlation (All Time) Calculated using the full available price history since May 5, 2011 | -0.19 |
The correlation between FXAIX and VFITX shifts across timeframes, from -0.19 (all time) to 0.18 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
FXAIX vs. VFITX — Risk / Return Rank
FXAIX
VFITX
FXAIX vs. VFITX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity 500 Index Fund (FXAIX) and Vanguard Intermediate-Term Treasury Fund Investor Shares (VFITX). 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.
| FXAIX | VFITX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.55 | ||
| Sortino ratioReturn per unit of downside risk | +1.98 | ||
| Omega ratioGain probability vs. loss probability | 1.44 | 1.15 | +0.29 |
| Calmar ratioReturn relative to maximum drawdown | 3.23 | 1.04 | +2.19 |
| Martin ratioReturn relative to average drawdown | 15.07 | 3.00 | +12.07 |
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
| FXAIX | VFITX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.42 | 0.87 | +1.55 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.83 | 0.01 | +0.82 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.86 | 0.28 | +0.59 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.82 | 0.92 | -0.10 |
Drawdowns
FXAIX vs. VFITX - Drawdown Comparison
The maximum FXAIX drawdown since its inception was -33.79%, which is greater than VFITX's maximum drawdown of -15.58%. Use the drawdown chart below to compare losses from any high point for FXAIX and VFITX.
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Drawdown Indicators
| FXAIX | VFITX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -33.79% | -15.58% | -18.21% |
Max Drawdown (1Y)Largest decline over 1 year | -8.89% | -3.21% | -5.68% |
Max Drawdown (3Y)Largest decline over 3 years | -18.76% | -4.78% | -13.98% |
Max Drawdown (5Y)Largest decline over 5 years | -24.50% | -14.98% | -9.52% |
Max Drawdown (10Y)Largest decline over 10 years | -33.79% | -15.58% | -18.21% |
Current DrawdownCurrent decline from peak | -0.31% | -2.09% | +1.78% |
Average DrawdownAverage peak-to-trough decline | -3.79% | -2.64% | -1.15% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.90% | 1.11% | +0.79% |
Volatility
FXAIX vs. VFITX - Volatility Comparison
Fidelity 500 Index Fund (FXAIX) has a higher volatility of 2.87% compared to Vanguard Intermediate-Term Treasury Fund Investor Shares (VFITX) at 1.26%. This indicates that FXAIX's price experiences larger fluctuations and is considered to be riskier than VFITX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FXAIX | VFITX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.87% | 1.26% | +1.61% |
Volatility (6M)Calculated over the trailing 6-month period | 9.00% | 2.74% | +6.26% |
Volatility (1Y)Calculated over the trailing 1-year period | 11.88% | 3.88% | +8.00% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.91% | 5.63% | +11.28% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.07% | 4.66% | +13.41% |
FXAIX vs. VFITX - Expense Ratio Comparison
FXAIX has a 0.02% expense ratio, which is lower than VFITX's 0.20% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
FXAIX vs. VFITX - Dividend Comparison
FXAIX's dividend yield for the trailing twelve months is around 1.03%, less than VFITX's 3.93% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FXAIX Fidelity 500 Index Fund | 1.03% | 1.11% | 1.25% | 1.45% | 1.69% | 1.22% | 1.60% | 2.06% | 2.72% | 1.97% | 2.52% | 2.83% |
VFITX Vanguard Intermediate-Term Treasury Fund Investor Shares | 3.93% | 3.90% | 4.05% | 3.45% | 1.97% | 0.99% | 4.84% | 2.30% | 2.34% | 1.75% | 2.77% | 2.50% |
Frequently Asked Questions
FXAIX and VFITX have a correlation of 0.18, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FXAIX has higher volatility (2.87%) compared to VFITX (1.26%). In terms of maximum drawdown, FXAIX dropped -33.79% vs VFITX's -15.58%.
FXAIX currently has the higher Sharpe Ratio (2.42 vs 0.87), 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.
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