FTLTX vs. VTBIX
FTLTX (Fidelity Series Long-Term Treasury Bond Index Fund) and VTBIX (Vanguard Total Bond Market II Index Fund Investor Shares) are both mutual funds - FTLTX is a Government Bonds fund managed by Fidelity, while VTBIX is a Total Bond Market fund managed by Vanguard. Over the past 5 years, FTLTX returned -7.24%/yr vs -0.68%/yr for VTBIX. Their correlation of 0.91 means they have usually moved in the same direction. FTLTX charges 0.00%/yr vs 0.09%/yr for VTBIX.
Performance
FTLTX vs. VTBIX - Performance Comparison
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Returns By Period
In the year-to-date period, FTLTX achieves a -3.70% return, which is significantly lower than VTBIX's -1.06% return.
FTLTX
- 1D
- -0.78%
- 1M
- -3.96%
- 6M
- -3.30%
- YTD
- -3.70%
- 1Y
- -1.97%
- 3Y*
- -0.65%
- 5Y*
- -7.24%
- 10Y*
- —
- ALL TIME*
- -0.70%
VTBIX
- 1D
- -0.32%
- 1M
- -1.48%
- 6M
- -1.08%
- YTD
- -1.06%
- 1Y
- 1.31%
- 3Y*
- 3.63%
- 5Y*
- -0.68%
- 10Y*
- 1.16%
- ALL TIME*
- 1.10%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
FTLTX vs. VTBIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FTLTX Fidelity Series Long-Term Treasury Bond Index Fund | -3.70% | 5.45% | -6.13% | 3.27% | -29.89% | -5.13% | 17.45% | 14.23% | -1.63% | 8.22% |
VTBIX Vanguard Total Bond Market II Index Fund Investor Shares | -1.06% | 7.11% | 1.25% | 5.03% | -13.18% | -1.88% | 7.47% | 8.62% | -0.32% | 3.53% |
Correlation
The correlation between FTLTX and VTBIX is 0.86, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.86 |
Correlation (3Y) Balances recent behavior with more history. | 0.92 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.92 |
Correlation (All Time) Calculated using the full available price history since Jan 3, 2017 | 0.91 |
The correlation between FTLTX and VTBIX has been stable across timeframes, ranging from 0.86 to 0.92 - a consistent structural relationship.
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Return for Risk
FTLTX vs. VTBIX — Risk / Return Rank
FTLTX
VTBIX
FTLTX vs. VTBIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Series Long-Term Treasury Bond Index Fund (FTLTX) and Vanguard Total Bond Market II Index Fund Investor Shares (VTBIX). 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.
| FTLTX | VTBIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.68 | ||
| Sortino ratioReturn per unit of downside risk | -0.94 | ||
| Omega ratioGain probability vs. loss probability | 0.99 | 1.10 | -0.11 |
| Calmar ratioReturn relative to maximum drawdown | -0.12 | 0.77 | -0.88 |
| Martin ratioReturn relative to average drawdown | -0.27 | 1.87 | -2.14 |
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Drawdowns
FTLTX vs. VTBIX - Drawdown Comparison
The maximum FTLTX drawdown since its inception was -46.86%, which is greater than VTBIX's maximum drawdown of -18.72%. Use the drawdown chart below to compare losses from any high point for FTLTX and VTBIX.
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Drawdown Indicators
| FTLTX | VTBIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -46.86% | -18.72% | -28.14% |
Max Drawdown (1Y)Largest decline over 1 year | -7.38% | -2.84% | -4.54% |
Max Drawdown (3Y)Largest decline over 3 years | -13.45% | -4.93% | -8.52% |
Max Drawdown (5Y)Largest decline over 5 years | -41.52% | -17.94% | -23.58% |
Max Drawdown (10Y)Largest decline over 10 years | — | -18.72% | — |
Current DrawdownCurrent decline from peak | -39.39% | -4.31% | -35.08% |
Average DrawdownAverage peak-to-trough decline | -20.28% | -4.41% | -15.87% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.25% | 1.16% | +2.09% |
Volatility
FTLTX vs. VTBIX - Volatility Comparison
Fidelity Series Long-Term Treasury Bond Index Fund (FTLTX) has a higher volatility of 2.35% compared to Vanguard Total Bond Market II Index Fund Investor Shares (VTBIX) at 1.02%. This indicates that FTLTX's price experiences larger fluctuations and is considered to be riskier than VTBIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FTLTX | VTBIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.35% | 1.02% | +1.33% |
Volatility (6M)Calculated over the trailing 6-month period | 6.29% | 2.97% | +3.32% |
Volatility (1Y)Calculated over the trailing 1-year period | 8.42% | 3.81% | +4.61% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 14.46% | 5.95% | +8.51% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.79% | 4.92% | +8.87% |
FTLTX vs. VTBIX - Expense Ratio Comparison
FTLTX has a 0.00% expense ratio, which is lower than VTBIX's 0.09% 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
FTLTX vs. VTBIX - Dividend Comparison
FTLTX's dividend yield for the trailing twelve months is around 3.77%, more than VTBIX's 3.72% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FTLTX Fidelity Series Long-Term Treasury Bond Index Fund | 3.77% | 3.83% | 3.71% | 3.17% | 2.20% | 2.06% | 12.95% | 10.68% | 2.89% | 2.44% | 0.00% | 0.00% |
VTBIX Vanguard Total Bond Market II Index Fund Investor Shares | 3.72% | 3.88% | 3.70% | 2.53% | 2.47% | 1.75% | 3.20% | 2.72% | 2.51% | 2.43% | 2.48% | 2.64% |
Frequently Asked Questions
FTLTX and VTBIX have a correlation of 0.86, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FTLTX has higher volatility (2.35%) compared to VTBIX (1.02%). In terms of maximum drawdown, FTLTX dropped -46.86% vs VTBIX's -18.72%.
VTBIX currently has the higher Sharpe Ratio (0.57 vs -0.10), 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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