VTBIX vs. FIFZX
Compare and contrast key facts about Vanguard Total Bond Market II Index Fund Investor Shares (VTBIX) and Fidelity Series Bond Index Fund (FIFZX).
VTBIX is managed by Vanguard. FIFZX is managed by Fidelity. It was launched on Apr 26, 2019.
Performance
VTBIX vs. FIFZX - Performance Comparison
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VTBIX vs. FIFZX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
VTBIX Vanguard Total Bond Market II Index Fund Investor Shares | -0.40% | 7.11% | 1.25% | 5.03% | -13.18% | -1.88% | 7.47% | 5.81% |
FIFZX Fidelity Series Bond Index Fund | -0.24% | 7.15% | 1.41% | 5.54% | -13.46% | -1.96% | 7.65% | 5.12% |
Returns By Period
In the year-to-date period, VTBIX achieves a -0.40% return, which is significantly lower than FIFZX's -0.24% return.
VTBIX
- 1D
- 0.21%
- 1M
- -1.65%
- YTD
- -0.40%
- 6M
- 0.38%
- 1Y
- 3.55%
- 3Y*
- 3.21%
- 5Y*
- 0.02%
- 10Y*
- 1.47%
FIFZX
- 1D
- 0.22%
- 1M
- -1.63%
- YTD
- -0.24%
- 6M
- 0.53%
- 1Y
- 3.78%
- 3Y*
- 3.53%
- 5Y*
- 0.07%
- 10Y*
- —
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VTBIX vs. FIFZX - Expense Ratio Comparison
VTBIX has a 0.09% expense ratio, which is higher than FIFZX's 0.00% 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%.
Return for Risk
VTBIX vs. FIFZX — Risk / Return Rank
VTBIX
FIFZX
VTBIX vs. FIFZX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Total Bond Market II Index Fund Investor Shares (VTBIX) and Fidelity Series Bond Index Fund (FIFZX). 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.
| VTBIX | FIFZX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.89 | 0.93 | -0.04 |
Sortino ratioReturn per unit of downside risk | 1.28 | 1.34 | -0.06 |
Omega ratioGain probability vs. loss probability | 1.15 | 1.16 | -0.01 |
Calmar ratioReturn relative to maximum drawdown | 1.62 | 1.63 | -0.01 |
Martin ratioReturn relative to average drawdown | 4.54 | 4.68 | -0.14 |
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
| VTBIX | FIFZX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.89 | 0.93 | -0.04 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.00 | 0.01 | -0.01 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.30 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.26 | 0.24 | +0.02 |
Correlation
The correlation between VTBIX and FIFZX is 0.97, 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
VTBIX vs. FIFZX - Dividend Comparison
VTBIX's dividend yield for the trailing twelve months is around 3.61%, which matches FIFZX's 3.61% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VTBIX Vanguard Total Bond Market II Index Fund Investor Shares | 3.61% | 3.88% | 3.70% | 2.53% | 2.47% | 1.75% | 3.20% | 2.72% | 2.51% | 2.43% | 2.48% | 2.64% |
FIFZX Fidelity Series Bond Index Fund | 3.61% | 3.87% | 3.66% | 3.09% | 1.74% | 1.42% | 3.20% | 1.64% | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
VTBIX vs. FIFZX - Drawdown Comparison
The maximum VTBIX drawdown since its inception was -18.72%, roughly equal to the maximum FIFZX drawdown of -19.27%. Use the drawdown chart below to compare losses from any high point for VTBIX and FIFZX.
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Drawdown Indicators
| VTBIX | FIFZX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.72% | -19.27% | +0.55% |
Max Drawdown (1Y)Largest decline over 1 year | -2.67% | -2.81% | +0.14% |
Max Drawdown (5Y)Largest decline over 5 years | -18.11% | -18.47% | +0.36% |
Max Drawdown (10Y)Largest decline over 10 years | -18.72% | — | — |
Current DrawdownCurrent decline from peak | -3.67% | -3.43% | -0.24% |
Average DrawdownAverage peak-to-trough decline | -4.43% | -6.79% | +2.36% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.95% | 0.98% | -0.03% |
Volatility
VTBIX vs. FIFZX - Volatility Comparison
Vanguard Total Bond Market II Index Fund Investor Shares (VTBIX) and Fidelity Series Bond Index Fund (FIFZX) have volatilities of 1.52% and 1.56%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VTBIX | FIFZX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.52% | 1.56% | -0.04% |
Volatility (6M)Calculated over the trailing 6-month period | 2.54% | 2.60% | -0.06% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.30% | 4.38% | -0.08% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.91% | 6.05% | -0.14% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.91% | 5.66% | -0.75% |