AGG vs. FTBFX
AGG (iShares Core U.S. Aggregate Bond ETF) and FTBFX (Fidelity Total Bond Fund) are both funds - AGG is a Total Bond Market fund tracking the Bloomberg U.S. Aggregate Bond Index, while FTBFX is a Intermediate Core-Plus Bond fund actively managed by Fidelity. AGG is passively managed, while FTBFX is actively managed. Over the past 10 years, AGG returned 1.57%/yr vs 2.47%/yr for FTBFX. Their correlation of 0.83 suggests significant overlap in exposure. AGG charges 0.03%/yr vs 0.45%/yr for FTBFX.
Performance
AGG vs. FTBFX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, AGG achieves a 0.25% return, which is significantly lower than FTBFX's 0.57% return. Over the past 10 years, AGG has underperformed FTBFX with an annualized return of 1.57%, while FTBFX has yielded a comparatively higher 2.47% annualized return.
AGG
- 1D
- -0.21%
- 1M
- 0.24%
- YTD
- 0.25%
- 6M
- 0.09%
- 1Y
- 5.14%
- 3Y*
- 3.95%
- 5Y*
- 0.10%
- 10Y*
- 1.57%
FTBFX
- 1D
- 0.00%
- 1M
- 0.47%
- YTD
- 0.57%
- 6M
- 0.40%
- 1Y
- 5.75%
- 3Y*
- 4.84%
- 5Y*
- 0.76%
- 10Y*
- 2.47%
AGG vs. FTBFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AGG iShares Core U.S. Aggregate Bond ETF | 0.25% | 7.19% | 1.31% | 5.65% | -13.02% | -1.77% | 7.48% | 8.46% | 0.09% | 3.55% |
FTBFX Fidelity Total Bond Fund | 0.57% | 7.50% | 2.13% | 7.25% | -13.58% | -0.44% | 9.34% | 9.89% | -0.66% | 4.19% |
Correlation
The correlation between AGG and FTBFX is 0.92, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.92 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.93 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.94 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.90 |
Correlation (All Time) Calculated using the full available price history since Sep 29, 2003 | 0.83 |
The correlation between AGG and FTBFX shifts across timeframes, from 0.83 (all time) to 0.94 (5 years), reflecting how their relationship changes across market environments.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
AGG vs. FTBFX — Risk / Return Rank
AGG
FTBFX
AGG vs. FTBFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Core U.S. Aggregate Bond ETF (AGG) and Fidelity Total Bond Fund (FTBFX). 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.
| AGG | FTBFX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.15 | ||
| Sortino ratioReturn per unit of downside risk | -0.25 | ||
| Omega ratioGain probability vs. loss probability | 1.24 | 1.27 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 1.87 | 1.99 | -0.13 |
| Martin ratioReturn relative to average drawdown | 5.73 | 6.10 | -0.37 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| AGG | FTBFX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.34 | 1.49 | -0.15 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.02 | 0.13 | -0.12 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.29 | 0.52 | -0.23 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.59 | 0.93 | -0.33 |
Drawdowns
AGG vs. FTBFX - Drawdown Comparison
The maximum AGG drawdown since its inception was -18.43%, roughly equal to the maximum FTBFX drawdown of -18.25%. Use the drawdown chart below to compare losses from any high point for AGG and FTBFX.
Loading charts...
Drawdown Indicators
| AGG | FTBFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.43% | -18.25% | -0.18% |
Max Drawdown (1Y)Largest decline over 1 year | -2.76% | -2.89% | +0.13% |
Max Drawdown (3Y)Largest decline over 3 years | -6.11% | -5.82% | -0.29% |
Max Drawdown (5Y)Largest decline over 5 years | -17.82% | -18.25% | +0.43% |
Max Drawdown (10Y)Largest decline over 10 years | -18.43% | -18.25% | -0.18% |
Current DrawdownCurrent decline from peak | -2.14% | -1.31% | -0.83% |
Average DrawdownAverage peak-to-trough decline | -2.71% | -2.32% | -0.39% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.90% | 0.94% | -0.04% |
Volatility
AGG vs. FTBFX - Volatility Comparison
The current volatility for iShares Core U.S. Aggregate Bond ETF (AGG) is 1.30%, while Fidelity Total Bond Fund (FTBFX) has a volatility of 1.40%. This indicates that AGG experiences smaller price fluctuations and is considered to be less risky than FTBFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| AGG | FTBFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.30% | 1.40% | -0.10% |
Volatility (6M)Calculated over the trailing 6-month period | 2.74% | 2.80% | -0.06% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.85% | 3.88% | -0.03% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.09% | 5.67% | +0.42% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.40% | 4.73% | +0.67% |
AGG vs. FTBFX - Expense Ratio Comparison
AGG has a 0.03% expense ratio, which is lower than FTBFX's 0.45% expense ratio.
Dividends
AGG vs. FTBFX - Dividend Comparison
AGG's dividend yield for the trailing twelve months is around 3.99%, less than FTBFX's 4.36% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AGG iShares Core U.S. Aggregate Bond ETF | 3.99% | 3.89% | 3.74% | 3.13% | 2.39% | 1.77% | 2.14% | 2.70% | 2.72% | 2.32% | 2.39% | 2.45% |
FTBFX Fidelity Total Bond Fund | 4.36% | 4.36% | 4.15% | 4.15% | 2.54% | 1.89% | 5.22% | 3.03% | 3.19% | 2.97% | 3.61% | 3.30% |
Frequently Asked Questions
With a correlation of 0.92, AGG and FTBFX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
FTBFX has higher volatility (1.40%) compared to AGG (1.30%). In terms of maximum drawdown, AGG dropped -18.43% vs FTBFX's -18.25%.
FTBFX currently has the higher Sharpe Ratio (1.49 vs 1.34), 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.
Find the right allocation for AGG and FTBFX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer