TBFAX vs. FUAMX

Last updated Jun 23, 2026

TBFAX (Thrivent Government Bond) and FUAMX (Fidelity Intermediate Treasury Bond Index Fund) are both Government Bonds funds. Over the past 5 years, TBFAX returned -0.09%/yr vs -0.53%/yr for FUAMX. Their correlation of 0.95 suggests significant overlap in exposure. TBFAX charges 0.77%/yr vs 0.03%/yr for FUAMX.

Performance

TBFAX vs. FUAMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Thrivent Government Bond (TBFAX) and Fidelity Intermediate Treasury Bond Index Fund (FUAMX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TBFAX achieves a -0.32% return, which is significantly higher than FUAMX's -0.47% return.

TBFAX

• 1D: 0.23%
• 1M: 0.62%
• YTD: -0.32%
• 6M: -0.01%
• 1Y: 3.86%
• 3Y*: 3.18%
• 5Y*: -0.09%
• 10Y*: 0.91%

FUAMX

• 1D: 0.21%
• 1M: 0.62%
• YTD: -0.47%
• 6M: -0.27%
• 1Y: 3.45%
• 3Y*: 3.30%
• 5Y*: -0.53%
• 10Y*: —

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

TBFAX vs. FUAMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TBFAX Thrivent Government Bond	-0.32%	7.00%	0.96%	3.52%	-10.67%	-1.92%	6.93%	5.70%	-0.02%	-0.40%
FUAMX Fidelity Intermediate Treasury Bond Index Fund	-0.47%	8.00%	0.40%	4.07%	-13.06%	-3.19%	8.86%	7.25%	1.25%	-0.35%

Correlation

The correlation between TBFAX and FUAMX 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	0.96
Correlation (5Y) Calculated over the trailing 5-year period	0.96
Correlation (All Time) Calculated using the full available price history since Oct 19, 2017	0.95

The correlation between TBFAX and FUAMX has been stable across timeframes, ranging from 0.95 to 0.96 - a consistent structural relationship.

Return for Risk

TBFAX vs. FUAMX — Risk / Return Rank

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

TBFAX

TBFAX Risk / Return Rank: 15
TBFAX Sharpe Ratio Rank: 16
TBFAX Sortino Ratio Rank: 17
TBFAX Omega Ratio Rank: 15
TBFAX Calmar Ratio Rank: 15
TBFAX Martin Ratio Rank: 13

FUAMX

FUAMX Risk / Return Rank: 10
FUAMX Sharpe Ratio Rank: 10
FUAMX Sortino Ratio Rank: 11
FUAMX Omega Ratio Rank: 10
FUAMX Calmar Ratio Rank: 10
FUAMX Martin Ratio Rank: 9

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.

TBFAX vs. FUAMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Thrivent Government Bond (TBFAX) and Fidelity Intermediate Treasury Bond Index Fund (FUAMX). 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.

	TBFAX	FUAMX	Difference
Sharpe ratio: Return per unit of total volatility	1.07	0.81	+0.26
Sortino ratio: Return per unit of downside risk	1.60	1.23	+0.37
Omega ratio: Gain probability vs. loss probability	1.19	1.14	+0.05
Calmar ratio: Return relative to maximum drawdown	1.25	0.93	+0.31
Martin ratio: Return relative to average drawdown	3.44	2.51	+0.93

TBFAX vs. FUAMX - Sharpe Ratio Comparison

The current TBFAX Sharpe Ratio is 1.07, which is higher than the FUAMX Sharpe Ratio of 0.81. The chart below compares the historical Sharpe Ratios of TBFAX and FUAMX, 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

TBFAX vs. FUAMX - Drawdown Comparison

The maximum TBFAX drawdown since its inception was -17.68%, smaller than the maximum FUAMX drawdown of -20.25%. Use the drawdown chart below to compare losses from any high point for TBFAX and FUAMX.

Drawdown Indicators

	TBFAX	FUAMX	Difference
Max Drawdown Largest peak-to-trough decline	-17.68%	-20.25%	+2.57%
Max Drawdown (1Y) Largest decline over 1 year	-3.21%	-3.72%	+0.51%
Max Drawdown (3Y) Largest decline over 3 years	-6.55%	-6.04%	-0.51%
Max Drawdown (5Y) Largest decline over 5 years	-16.03%	-18.27%	+2.24%
Max Drawdown (10Y) Largest decline over 10 years	-17.68%	—	—
Current Drawdown Current decline from peak	-3.61%	-6.89%	+3.28%
Average Drawdown Average peak-to-trough decline	-4.17%	-7.32%	+3.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.16%	1.38%	-0.22%

Volatility

TBFAX vs. FUAMX - Volatility Comparison

The current volatility for Thrivent Government Bond (TBFAX) is 1.12%, while Fidelity Intermediate Treasury Bond Index Fund (FUAMX) has a volatility of 1.36%. This indicates that TBFAX experiences smaller price fluctuations and is considered to be less risky than FUAMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TBFAX	FUAMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.12%	1.36%	-0.24%
Volatility (6M) Calculated over the trailing 6-month period	2.72%	3.19%	-0.47%
Volatility (1Y) Calculated over the trailing 1-year period	3.73%	4.28%	-0.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.65%	6.63%	-0.98%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.73%	5.84%	-1.11%

TBFAX vs. FUAMX - Expense Ratio Comparison

TBFAX has a 0.77% expense ratio, which is higher than FUAMX's 0.03% expense ratio.

Dividends

TBFAX vs. FUAMX - Dividend Comparison

TBFAX's dividend yield for the trailing twelve months is around 3.48%, less than FUAMX's 3.76% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FUAMX Fidelity Intermediate Treasury Bond Index Fund	3.76%	3.52%	3.58%	2.19%	1.24%	1.76%	2.90%	2.16%	2.23%	0.49%	0.00%	0.00%
TBFAX Thrivent Government Bond	3.48%	3.54%	3.73%	2.29%	2.08%	0.92%	3.29%	2.08%	2.02%	1.48%	1.25%	0.91%

Frequently Asked Questions

Can I hold both TBFAX and FUAMX in my portfolio?

With a correlation of 0.95, TBFAX and FUAMX 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, TBFAX or FUAMX?

FUAMX has higher volatility (1.36%) compared to TBFAX (1.12%). In terms of maximum drawdown, TBFAX dropped -17.68% vs FUAMX's -20.25%.

Which has better risk-adjusted returns?

TBFAX currently has the higher Sharpe Ratio (1.07 vs 0.81), 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.