FTKFX vs. AGG
FTKFX (Fidelity Total Bond K6 Fund) and AGG (iShares Core U.S. Aggregate Bond ETF) are both Total Bond Market funds. Over the past 5 years, FTKFX returned 0.68%/yr vs 0.13%/yr for AGG. Their correlation of 0.90 suggests significant overlap in exposure. FTKFX charges 0.30%/yr vs 0.03%/yr for AGG.
Performance
FTKFX vs. AGG - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, FTKFX achieves a 0.46% return, which is significantly higher than AGG's 0.42% return.
FTKFX
- 1D
- -0.23%
- 1M
- 0.15%
- YTD
- 0.46%
- 6M
- 0.59%
- 1Y
- 5.04%
- 3Y*
- 4.66%
- 5Y*
- 0.68%
- 10Y*
- —
AGG
- 1D
- 0.16%
- 1M
- 0.22%
- YTD
- 0.42%
- 6M
- 0.49%
- 1Y
- 4.69%
- 3Y*
- 4.01%
- 5Y*
- 0.13%
- 10Y*
- 1.60%
FTKFX vs. AGG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FTKFX Fidelity Total Bond K6 Fund | 0.46% | 7.53% | 2.36% | 6.65% | -13.23% | -0.46% | 8.75% | 10.03% | -0.75% | 1.14% |
AGG iShares Core U.S. Aggregate Bond ETF | 0.42% | 7.19% | 1.31% | 5.65% | -13.02% | -1.77% | 7.48% | 8.46% | 0.09% | 0.98% |
Correlation
The correlation between FTKFX and AGG is 0.90, 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 | 0.90 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.92 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.94 |
Correlation (All Time) Calculated using the full available price history since Jun 6, 2017 | 0.90 |
The correlation between FTKFX and AGG has been stable across timeframes, ranging from 0.90 to 0.94 - a consistent structural relationship.
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
FTKFX vs. AGG — Risk / Return Rank
FTKFX
AGG
FTKFX vs. AGG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Total Bond K6 Fund (FTKFX) and iShares Core U.S. Aggregate Bond ETF (AGG). 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.
| FTKFX | AGG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.19 | ||
| Sortino ratioReturn per unit of downside risk | +0.30 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 1.22 | +0.04 |
| Calmar ratioReturn relative to maximum drawdown | 2.02 | 1.70 | +0.32 |
| Martin ratioReturn relative to average drawdown | 5.96 | 5.21 | +0.75 |
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
| FTKFX | AGG | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.42 | 1.24 | +0.19 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.12 | 0.02 | +0.10 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.30 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.46 | 0.59 | -0.13 |
Drawdowns
FTKFX vs. AGG - Drawdown Comparison
The maximum FTKFX drawdown since its inception was -17.81%, roughly equal to the maximum AGG drawdown of -18.43%. Use the drawdown chart below to compare losses from any high point for FTKFX and AGG.
Loading charts...
Drawdown Indicators
| FTKFX | AGG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.81% | -18.43% | +0.62% |
Max Drawdown (1Y)Largest decline over 1 year | -2.82% | -2.76% | -0.06% |
Max Drawdown (3Y)Largest decline over 3 years | -5.77% | -6.11% | +0.34% |
Max Drawdown (5Y)Largest decline over 5 years | -17.81% | -17.82% | +0.01% |
Max Drawdown (10Y)Largest decline over 10 years | — | -18.43% | — |
Current DrawdownCurrent decline from peak | -1.44% | -1.98% | +0.54% |
Average DrawdownAverage peak-to-trough decline | -4.19% | -2.71% | -1.48% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.95% | 0.90% | +0.05% |
Volatility
FTKFX vs. AGG - Volatility Comparison
Fidelity Total Bond K6 Fund (FTKFX) and iShares Core U.S. Aggregate Bond ETF (AGG) have volatilities of 1.32% and 1.29%, 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.
Loading charts...
Volatility by Period
| FTKFX | AGG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.32% | 1.29% | +0.03% |
Volatility (6M)Calculated over the trailing 6-month period | 2.90% | 2.74% | +0.16% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.99% | 3.85% | +0.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.66% | 6.09% | -0.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.92% | 5.40% | -0.48% |
FTKFX vs. AGG - Expense Ratio Comparison
FTKFX has a 0.30% expense ratio, which is higher than AGG's 0.03% expense ratio.
Dividends
FTKFX vs. AGG - Dividend Comparison
FTKFX's dividend yield for the trailing twelve months is around 4.62%, more than AGG's 3.98% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AGG iShares Core U.S. Aggregate Bond ETF | 3.98% | 3.89% | 3.74% | 3.13% | 2.39% | 1.77% | 2.14% | 2.70% | 2.72% | 2.32% | 2.39% | 2.45% |
FTKFX Fidelity Total Bond K6 Fund | 4.62% | 4.61% | 4.76% | 3.86% | 2.53% | 2.24% | 5.51% | 3.26% | 2.94% | 1.63% | 0.00% | 0.00% |
Frequently Asked Questions
With a correlation of 0.90, FTKFX and AGG 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.
FTKFX has higher volatility (1.32%) compared to AGG (1.29%). In terms of maximum drawdown, FTKFX dropped -17.81% vs AGG's -18.43%.
FTKFX currently has the higher Sharpe Ratio (1.42 vs 1.24), 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 FTKFX and AGG
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