FDIAX vs. FSIAX
FDIAX (Fidelity Advisor Limited Term Bond Fund Class A) and FSIAX (Fidelity Advisor Strategic Income Fund Class M) are both Total Bond Market funds from Fidelity. Over the past 10 years, FDIAX returned 1.93%/yr vs 3.63%/yr for FSIAX. Their 0.53 correlation means they have sometimes moved together and sometimes differently. FDIAX charges 0.75%/yr vs 0.96%/yr for FSIAX.
Performance
FDIAX vs. FSIAX - Performance Comparison
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Returns By Period
In the year-to-date period, FDIAX achieves a 0.29% return, which is significantly lower than FSIAX's 1.69% return. Over the past 10 years, FDIAX has underperformed FSIAX with an annualized return of 1.93%, while FSIAX has yielded a comparatively higher 3.63% annualized return.
FDIAX
- 1D
- 0.00%
- 1M
- -0.44%
- 6M
- 0.07%
- YTD
- 0.29%
- 1Y
- 2.46%
- 3Y*
- 4.71%
- 5Y*
- 1.63%
- 10Y*
- 1.93%
- ALL TIME*
- 3.20%
FSIAX
- 1D
- 0.08%
- 1M
- -1.25%
- 6M
- 0.97%
- YTD
- 1.69%
- 1Y
- 5.25%
- 3Y*
- 6.58%
- 5Y*
- 2.19%
- 10Y*
- 3.63%
- ALL TIME*
- 6.27%
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 |
FDIAX vs. FSIAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FDIAX Fidelity Advisor Limited Term Bond Fund Class A | 0.29% | 6.38% | 4.09% | 5.76% | -6.45% | -1.62% | 4.86% | 5.72% | 0.40% | 1.58% |
FSIAX Fidelity Advisor Strategic Income Fund Class M | 1.69% | 8.59% | 5.03% | 8.83% | -12.06% | 3.22% | 7.30% | 10.76% | -2.93% | 7.54% |
Correlation
The correlation between FDIAX and FSIAX is 0.66, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.66 |
Correlation (3Y) Balances recent behavior with more history. | 0.73 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.74 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.63 |
Correlation (All Time) Calculated using the full available price history since Oct 31, 1994 | 0.53 |
The correlation between FDIAX and FSIAX shifts across timeframes, from 0.53 (all time) to 0.74 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
FDIAX vs. FSIAX — Risk / Return Rank
FDIAX
FSIAX
FDIAX vs. FSIAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Limited Term Bond Fund Class A (FDIAX) and Fidelity Advisor Strategic Income Fund Class M (FSIAX). 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.
| FDIAX | FSIAX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.02 | ||
| Sortino ratioReturn per unit of downside risk | +0.15 | ||
| Omega ratioGain probability vs. loss probability | 1.29 | 1.27 | +0.01 |
| Calmar ratioReturn relative to maximum drawdown | 1.79 | 2.02 | -0.23 |
| Martin ratioReturn relative to average drawdown | 6.16 | 7.51 | -1.35 |
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Drawdowns
FDIAX vs. FSIAX - Drawdown Comparison
The maximum FDIAX drawdown since its inception was -12.45%, smaller than the maximum FSIAX drawdown of -17.81%. Use the drawdown chart below to compare losses from any high point for FDIAX and FSIAX.
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Drawdown Indicators
| FDIAX | FSIAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -12.45% | -17.81% | +5.36% |
Max Drawdown (1Y)Largest decline over 1 year | -1.63% | -2.66% | +1.03% |
Max Drawdown (3Y)Largest decline over 3 years | -1.63% | -3.72% | +2.09% |
Max Drawdown (5Y)Largest decline over 5 years | -9.83% | -16.19% | +6.36% |
Max Drawdown (10Y)Largest decline over 10 years | -10.20% | -16.19% | +5.99% |
Current DrawdownCurrent decline from peak | -0.63% | -1.74% | +1.11% |
Average DrawdownAverage peak-to-trough decline | -1.71% | -1.83% | +0.12% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.47% | 0.71% | -0.24% |
Volatility
FDIAX vs. FSIAX - Volatility Comparison
The current volatility for Fidelity Advisor Limited Term Bond Fund Class A (FDIAX) is 0.45%, while Fidelity Advisor Strategic Income Fund Class M (FSIAX) has a volatility of 0.98%. This indicates that FDIAX experiences smaller price fluctuations and is considered to be less risky than FSIAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FDIAX | FSIAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.45% | 0.98% | -0.53% |
Volatility (6M)Calculated over the trailing 6-month period | 1.72% | 3.28% | -1.56% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.10% | 3.77% | -1.67% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.77% | 4.56% | -1.79% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.40% | 4.45% | -2.05% |
FDIAX vs. FSIAX - Expense Ratio Comparison
FDIAX has a 0.75% expense ratio, which is lower than FSIAX's 0.96% expense ratio.
Dividends
FDIAX vs. FSIAX - Dividend Comparison
FDIAX's dividend yield for the trailing twelve months is around 3.51%, less than FSIAX's 3.78% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FDIAX Fidelity Advisor Limited Term Bond Fund Class A | 3.51% | 3.63% | 2.57% | 1.90% | 1.03% | 1.09% | 2.09% | 2.14% | 1.99% | 1.48% | 1.55% | 1.31% |
FSIAX Fidelity Advisor Strategic Income Fund Class M | 3.78% | 4.06% | 3.21% | 3.71% | 2.71% | 4.01% | 4.32% | 4.07% | 3.51% | 3.70% | 3.49% | 3.18% |
Frequently Asked Questions
FDIAX and FSIAX have a correlation of 0.66, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FSIAX has higher volatility (0.98%) compared to FDIAX (0.45%). In terms of maximum drawdown, FDIAX dropped -12.45% vs FSIAX's -17.81%.
FSIAX currently has the higher Sharpe Ratio (1.43 vs 1.40), 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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