FTKFX vs. FTBFX

Last updated Jun 13, 2026

FTKFX (Fidelity Total Bond K6 Fund) and FTBFX (Fidelity Total Bond Fund) are both mutual funds - FTKFX is a Total Bond Market fund managed by Fidelity, while FTBFX is a Intermediate Core-Plus Bond fund actively managed by Fidelity. Over the past 5 years, FTKFX returned 0.63%/yr vs 0.60%/yr for FTBFX. With a 0.96 correlation, they move nearly in lockstep. FTKFX charges 0.30%/yr vs 0.45%/yr for FTBFX.

Performance

FTKFX vs. FTBFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Total Bond K6 Fund (FTKFX) and Fidelity Total Bond Fund (FTBFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FTKFX achieves a 0.69% return, which is significantly higher than FTBFX's 0.57% return.

FTKFX

• 1D: 0.57%
• 1M: 1.30%
• YTD: 0.69%
• 6M: 1.27%
• 1Y: 5.52%
• 3Y*: 4.74%
• 5Y*: 0.63%
• 10Y*: —

FTBFX

• 1D: 0.53%
• 1M: 1.21%
• YTD: 0.57%
• 6M: 1.02%
• 1Y: 5.30%
• 3Y*: 4.80%
• 5Y*: 0.60%
• 10Y*: 2.43%

*Multi-year figures are annualized to reflect compound growth (CAGR)

FTKFX vs. FTBFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FTKFX Fidelity Total Bond K6 Fund	0.69%	7.53%	2.36%	6.65%	-13.23%	-0.46%	8.75%	10.03%	-0.75%	1.14%
FTBFX Fidelity Total Bond Fund	0.57%	7.50%	2.13%	7.25%	-13.58%	-0.44%	9.34%	9.89%	-0.66%	1.15%

Correlation

The correlation between FTKFX and FTBFX is 0.95 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.95
Correlation (3Y) Calculated over the trailing 3-year period	0.97
Correlation (5Y) Calculated over the trailing 5-year period	0.98
Correlation (All Time) Calculated using the full available price history since Jun 5, 2017	0.96

The correlation between FTKFX and FTBFX has been stable across timeframes, ranging from 0.95 to 0.98 - a consistent structural relationship.

Return for Risk

FTKFX vs. FTBFX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

FTKFX

FTKFX Risk / Return Rank: 37
FTKFX Sharpe Ratio Rank: 38
FTKFX Sortino Ratio Rank: 40
FTKFX Omega Ratio Rank: 35
FTKFX Calmar Ratio Rank: 40
FTKFX Martin Ratio Rank: 30

FTBFX

FTBFX Risk / Return Rank: 34
FTBFX Sharpe Ratio Rank: 36
FTBFX Sortino Ratio Rank: 39
FTBFX Omega Ratio Rank: 35
FTBFX Calmar Ratio Rank: 34
FTBFX Martin Ratio Rank: 28

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

FTKFX vs. FTBFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Total Bond K6 Fund (FTKFX) 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.

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.

	FTKFX	FTBFX	Difference
Sharpe ratio: Return per unit of total volatility	1.40	1.36	+0.04
Sortino ratio: Return per unit of downside risk	2.10	2.05	+0.05
Omega ratio: Gain probability vs. loss probability	1.25	1.24	0.00
Calmar ratio: Return relative to maximum drawdown	1.98	1.80	+0.17
Martin ratio: Return relative to average drawdown	5.65	5.30	+0.35

FTKFX vs. FTBFX - Sharpe Ratio Comparison

The current FTKFX Sharpe Ratio is 1.40, which is comparable to the FTBFX Sharpe Ratio of 1.36. The chart below compares the historical Sharpe Ratios of FTKFX and FTBFX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

FTKFX vs. FTBFX - Drawdown Comparison

The maximum FTKFX drawdown since its inception was -17.81%, roughly equal to the maximum FTBFX drawdown of -18.25%. Use the drawdown chart below to compare losses from any high point for FTKFX and FTBFX.

Drawdown Indicators

	FTKFX	FTBFX	Difference
Max Drawdown Largest peak-to-trough decline	-17.81%	-18.25%	+0.44%
Max Drawdown (1Y) Largest decline over 1 year	-2.82%	-2.89%	+0.07%
Max Drawdown (3Y) Largest decline over 3 years	-5.77%	-5.82%	+0.05%
Max Drawdown (5Y) Largest decline over 5 years	-17.81%	-18.25%	+0.44%
Max Drawdown (10Y) Largest decline over 10 years	—	-18.25%	—
Current Drawdown Current decline from peak	-1.22%	-1.31%	+0.09%
Average Drawdown Average peak-to-trough decline	-4.18%	-2.32%	-1.86%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.98%	0.98%	0.00%

Volatility

FTKFX vs. FTBFX - Volatility Comparison

Fidelity Total Bond K6 Fund (FTKFX) and Fidelity Total Bond Fund (FTBFX) have volatilities of 1.38% and 1.43%, 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.

Volatility by Period

	FTKFX	FTBFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.38%	1.43%	-0.05%
Volatility (6M) Calculated over the trailing 6-month period	2.95%	2.85%	+0.10%
Volatility (1Y) Calculated over the trailing 1-year period	3.97%	3.84%	+0.13%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.67%	5.67%	0.00%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.92%	4.73%	+0.19%

FTKFX vs. FTBFX - Expense Ratio Comparison

FTKFX has a 0.30% expense ratio, which is lower than FTBFX's 0.45% expense ratio.

Dividends

FTKFX vs. FTBFX - Dividend Comparison

FTKFX's dividend yield for the trailing twelve months is around 4.61%, more than FTBFX's 4.36% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
FTKFX Fidelity Total Bond K6 Fund	4.61%	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

Can I hold both FTKFX and FTBFX in my portfolio?

With a correlation of 0.95, FTKFX 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.

Which is riskier, FTKFX or FTBFX?

FTBFX has higher volatility (1.43%) compared to FTKFX (1.38%). In terms of maximum drawdown, FTKFX dropped -17.81% vs FTBFX's -18.25%.

Which has better risk-adjusted returns?

FTKFX currently has the higher Sharpe Ratio (1.40 vs 1.36), 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.