FTTHX vs. FBLTX

Last updated Jun 5, 2026

FTTHX (Fidelity Advisor Freedom 2035 Fund Class M) and FBLTX (Fidelity SAI Long-Term Treasury Bond Index Fund) are both mutual funds - FTTHX is a Target Retirement Date fund managed by Fidelity, while FBLTX is a Government Bonds fund managed by Fidelity. Over the past 10 years, FTTHX returned 9.87%/yr vs -1.70%/yr for FBLTX. At a correlation of -0.04, they often move in opposite directions. FTTHX charges 1.21%/yr vs 0.03%/yr for FBLTX.

Performance

FTTHX vs. FBLTX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Freedom 2035 Fund Class M (FTTHX) and Fidelity SAI Long-Term Treasury Bond Index Fund (FBLTX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FTTHX achieves a 8.41% return, which is significantly higher than FBLTX's -0.38% return. Over the past 10 years, FTTHX has outperformed FBLTX with an annualized return of 9.87%, while FBLTX has yielded a comparatively lower -1.70% annualized return.

FTTHX

• 1D: -0.49%
• 1M: 2.18%
• YTD: 8.41%
• 6M: 9.40%
• 1Y: 19.97%
• 3Y*: 15.07%
• 5Y*: 6.62%
• 10Y*: 9.87%

FBLTX

• 1D: -0.30%
• 1M: 0.36%
• YTD: -0.38%
• 6M: -1.50%
• 1Y: 3.38%
• 3Y*: -1.80%
• 5Y*: -6.47%
• 10Y*: -1.70%

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

FTTHX vs. FBLTX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FTTHX Fidelity Advisor Freedom 2035 Fund Class M	8.41%	18.17%	10.14%	16.09%	-17.95%	13.40%	15.99%	25.02%	-8.23%	19.99%
FBLTX Fidelity SAI Long-Term Treasury Bond Index Fund	-0.38%	4.39%	-8.05%	2.71%	-31.84%	-4.89%	18.27%	14.36%	-1.24%	9.06%

Correlation

The correlation between FTTHX and FBLTX is 0.37, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.37
Correlation (3Y) Calculated over the trailing 3-year period	0.36
Correlation (5Y) Calculated over the trailing 5-year period	0.21
Correlation (10Y) Calculated over the trailing 10-year period	-0.01
Correlation (All Time) Calculated using the full available price history since Oct 19, 2015	-0.04

The correlation between FTTHX and FBLTX shifts across timeframes, from -0.04 (all time) to 0.37 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

FTTHX vs. FBLTX — Risk / Return Rank

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

FTTHX

FTTHX Risk / Return Rank: 55
FTTHX Sharpe Ratio Rank: 54
FTTHX Sortino Ratio Rank: 53
FTTHX Omega Ratio Rank: 55
FTTHX Calmar Ratio Rank: 52
FTTHX Martin Ratio Rank: 59

FBLTX

FBLTX Risk / Return Rank: 7
FBLTX Sharpe Ratio Rank: 7
FBLTX Sortino Ratio Rank: 6
FBLTX Omega Ratio Rank: 6
FBLTX Calmar Ratio Rank: 7
FBLTX Martin Ratio Rank: 7

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.

FTTHX vs. FBLTX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Freedom 2035 Fund Class M (FTTHX) and Fidelity SAI Long-Term Treasury Bond Index Fund (FBLTX). 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.

	FTTHX	FBLTX	Difference
Sharpe ratio: Return per unit of total volatility	2.14	0.51	+1.63
Sortino ratio: Return per unit of downside risk	3.02	0.80	+2.22
Omega ratio: Gain probability vs. loss probability	1.41	1.09	+0.32
Calmar ratio: Return relative to maximum drawdown	2.71	0.65	+2.06
Martin ratio: Return relative to average drawdown	11.65	1.65	+10.01
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FTTHX vs. FBLTX - Sharpe Ratio Comparison

The current FTTHX Sharpe Ratio is 2.14, which is higher than the FBLTX Sharpe Ratio of 0.51. The chart below compares the historical Sharpe Ratios of FTTHX and FBLTX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	FTTHX	FBLTX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.14	0.51	+1.63
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.54	-0.41	+0.95
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.73	-0.12	+0.84
Sharpe Ratio (All Time) Calculated using the full available price history	0.44	-0.05	+0.49

Drawdowns

FTTHX vs. FBLTX - Drawdown Comparison

The maximum FTTHX drawdown since its inception was -54.89%, which is greater than FBLTX's maximum drawdown of -49.06%. Use the drawdown chart below to compare losses from any high point for FTTHX and FBLTX.

Drawdown Indicators

	FTTHX	FBLTX	Difference
Max Drawdown Largest peak-to-trough decline	-54.89%	-49.06%	-5.83%
Max Drawdown (1Y) Largest decline over 1 year	-7.61%	-7.66%	+0.05%
Max Drawdown (3Y) Largest decline over 3 years	-11.47%	-19.12%	+7.65%
Max Drawdown (5Y) Largest decline over 5 years	-26.21%	-44.19%	+17.98%
Max Drawdown (10Y) Largest decline over 10 years	-29.22%	-49.06%	+19.84%
Current Drawdown Current decline from peak	-0.49%	-41.18%	+40.69%
Average Drawdown Average peak-to-trough decline	-7.53%	-21.00%	+13.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.77%	3.03%	-1.26%

Volatility

FTTHX vs. FBLTX - Volatility Comparison

Fidelity Advisor Freedom 2035 Fund Class M (FTTHX) has a higher volatility of 3.44% compared to Fidelity SAI Long-Term Treasury Bond Index Fund (FBLTX) at 2.71%. This indicates that FTTHX's price experiences larger fluctuations and is considered to be riskier than FBLTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FTTHX	FBLTX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.44%	2.71%	+0.73%
Volatility (6M) Calculated over the trailing 6-month period	7.99%	6.56%	+1.43%
Volatility (1Y) Calculated over the trailing 1-year period	9.65%	9.78%	-0.13%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.39%	15.70%	-3.31%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.65%	14.59%	-0.94%

FTTHX vs. FBLTX - Expense Ratio Comparison

FTTHX has a 1.21% expense ratio, which is higher than FBLTX's 0.03% expense ratio.

Dividends

FTTHX vs. FBLTX - Dividend Comparison

FTTHX's dividend yield for the trailing twelve months is around 7.32%, more than FBLTX's 4.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FBLTX Fidelity SAI Long-Term Treasury Bond Index Fund	4.18%	4.04%	3.60%	3.29%	2.25%	1.81%	6.73%	2.39%	2.87%	2.68%	3.70%	0.39%
FTTHX Fidelity Advisor Freedom 2035 Fund Class M	7.32%	7.24%	3.07%	1.32%	9.80%	9.34%	5.96%	7.02%	11.72%	4.09%	4.55%	2.50%

Frequently Asked Questions

Can I hold both FTTHX and FBLTX in my portfolio?

FTTHX and FBLTX have a correlation of 0.37, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FTTHX or FBLTX?

FTTHX has higher volatility (3.44%) compared to FBLTX (2.71%). In terms of maximum drawdown, FTTHX dropped -54.89% vs FBLTX's -49.06%.

Which has better risk-adjusted returns?

FTTHX currently has the higher Sharpe Ratio (2.14 vs 0.51), 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.