FSIAX vs. VBTIX
FSIAX (Fidelity Advisor Strategic Income Fund Class M) and VBTIX (Vanguard Total Bond Market Index Fund Institutional Shares) are both Total Bond Market funds. Over the past 10 years, FSIAX returned 4.08%/yr vs 1.50%/yr for VBTIX. A 0.56 correlation means they provide meaningful diversification when combined. FSIAX charges 0.96%/yr vs 0.03%/yr for VBTIX.
Performance
FSIAX vs. VBTIX - Performance Comparison
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Returns By Period
In the year-to-date period, FSIAX achieves a 3.28% return, which is significantly higher than VBTIX's 0.12% return. Over the past 10 years, FSIAX has outperformed VBTIX with an annualized return of 4.08%, while VBTIX has yielded a comparatively lower 1.50% annualized return.
FSIAX
- 1D
- -0.08%
- 1M
- 1.24%
- YTD
- 3.28%
- 6M
- 3.57%
- 1Y
- 8.93%
- 3Y*
- 7.49%
- 5Y*
- 2.73%
- 10Y*
- 4.08%
VBTIX
- 1D
- -0.31%
- 1M
- 0.66%
- YTD
- 0.12%
- 6M
- 0.45%
- 1Y
- 4.16%
- 3Y*
- 3.95%
- 5Y*
- 0.04%
- 10Y*
- 1.50%
FSIAX vs. VBTIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FSIAX Fidelity Advisor Strategic Income Fund Class M | 3.28% | 8.59% | 5.03% | 8.83% | -12.06% | 3.22% | 7.30% | 10.76% | -2.93% | 7.54% |
VBTIX Vanguard Total Bond Market Index Fund Institutional Shares | 0.12% | 7.18% | 1.27% | 5.75% | -13.15% | -1.95% | 7.75% | 8.74% | -0.24% | 3.56% |
Correlation
The correlation between FSIAX and VBTIX is 0.73, 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 | 0.73 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.79 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.79 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.64 |
Correlation (All Time) Calculated using the full available price history since Sep 18, 1995 | 0.56 |
The correlation between FSIAX and VBTIX shifts across timeframes, from 0.56 (all time) to 0.79 (3 years), reflecting how their relationship changes across market environments.
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Return for Risk
FSIAX vs. VBTIX — Risk / Return Rank
FSIAX
VBTIX
FSIAX vs. VBTIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Strategic Income Fund Class M (FSIAX) and Vanguard Total Bond Market Index Fund Institutional Shares (VBTIX). 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.
| FSIAX | VBTIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.39 | ||
| Sortino ratioReturn per unit of downside risk | +2.11 | ||
| Omega ratioGain probability vs. loss probability | 1.53 | 1.20 | +0.33 |
| Calmar ratioReturn relative to maximum drawdown | 3.48 | 1.52 | +1.96 |
| Martin ratioReturn relative to average drawdown | 14.83 | 4.30 | +10.52 |
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Drawdowns
FSIAX vs. VBTIX - Drawdown Comparison
The maximum FSIAX drawdown since its inception was -17.81%, smaller than the maximum VBTIX drawdown of -18.90%. Use the drawdown chart below to compare losses from any high point for FSIAX and VBTIX.
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Drawdown Indicators
| FSIAX | VBTIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.81% | -18.90% | +1.09% |
Max Drawdown (1Y)Largest decline over 1 year | -2.66% | -2.89% | +0.23% |
Max Drawdown (3Y)Largest decline over 3 years | -4.13% | -5.99% | +1.86% |
Max Drawdown (5Y)Largest decline over 5 years | -16.19% | -18.13% | +1.94% |
Max Drawdown (10Y)Largest decline over 10 years | -16.19% | -18.90% | +2.71% |
Current DrawdownCurrent decline from peak | -0.08% | -2.55% | +2.47% |
Average DrawdownAverage peak-to-trough decline | -1.83% | -2.32% | +0.49% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.62% | 1.02% | -0.40% |
Volatility
FSIAX vs. VBTIX - Volatility Comparison
Fidelity Advisor Strategic Income Fund Class M (FSIAX) has a higher volatility of 1.36% compared to Vanguard Total Bond Market Index Fund Institutional Shares (VBTIX) at 1.17%. This indicates that FSIAX's price experiences larger fluctuations and is considered to be riskier than VBTIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FSIAX | VBTIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.36% | 1.17% | +0.19% |
Volatility (6M)Calculated over the trailing 6-month period | 3.12% | 2.88% | +0.24% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.69% | 3.92% | -0.23% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.54% | 6.02% | -1.48% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.46% | 4.99% | -0.53% |
FSIAX vs. VBTIX - Expense Ratio Comparison
FSIAX has a 0.96% expense ratio, which is higher than VBTIX's 0.03% expense ratio.
Dividends
FSIAX vs. VBTIX - Dividend Comparison
FSIAX's dividend yield for the trailing twelve months is around 4.01%, which matches VBTIX's 4.01% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FSIAX Fidelity Advisor Strategic Income Fund Class M | 4.01% | 4.06% | 3.21% | 3.71% | 2.71% | 4.01% | 4.32% | 4.07% | 3.51% | 3.70% | 3.49% | 3.18% |
VBTIX Vanguard Total Bond Market Index Fund Institutional Shares | 4.01% | 3.88% | 3.69% | 3.12% | 2.61% | 1.81% | 2.41% | 2.75% | 2.58% | 2.56% | 2.54% | 2.84% |
Frequently Asked Questions
FSIAX and VBTIX have a correlation of 0.73, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FSIAX has higher volatility (1.36%) compared to VBTIX (1.17%). In terms of maximum drawdown, FSIAX dropped -17.81% vs VBTIX's -18.90%.
FSIAX currently has the higher Sharpe Ratio (2.52 vs 1.12), 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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