IBTF vs. FTABX

Last updated Apr 2, 2026

Compare and contrast key facts about iShares iBonds Dec 2025 Term Treasury ETF (IBTF) and Fidelity Tax-Free Bond Fund (FTABX).

IBTF is a passively managed fund by iShares that tracks the performance of the ICE 2025 Maturity US Treasury Index. It was launched on Feb 25, 2020. FTABX is managed by Fidelity. It was launched on Apr 10, 2001.

Performance

IBTF vs. FTABX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares iBonds Dec 2025 Term Treasury ETF (IBTF) and Fidelity Tax-Free Bond Fund (FTABX). The values are adjusted to include any dividend payments, if applicable.

IBTF vs. FTABX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
IBTF iShares iBonds Dec 2025 Term Treasury ETF	0.00%	3.81%	4.60%	4.12%	-6.39%	-2.31%	3.60%
FTABX Fidelity Tax-Free Bond Fund	-0.50%	5.60%	1.54%	7.51%	-10.74%	2.20%	1.04%

Returns By Period

IBTF

• 1D: 0.00%
• 1M: 0.00%
• YTD: 0.00%
• 6M: 0.73%
• 1Y: 2.82%
• 3Y*: 3.59%
• 5Y*: 1.00%
• 10Y*: —

FTABX

• 1D: 0.27%
• 1M: -2.32%
• YTD: -0.50%
• 6M: 1.06%
• 1Y: 4.23%
• 3Y*: 3.59%
• 5Y*: 0.97%
• 10Y*: 2.32%

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

IBTF vs. FTABX - Expense Ratio Comparison

IBTF has a 0.07% expense ratio, which is lower than FTABX's 0.25% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

FTABX

Fidelity Tax-Free Bond Fund

IBTF

iShares iBonds Dec 2025 Term Treasury ETF

Return for Risk

IBTF vs. FTABX — Risk / Return Rank

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

IBTF

IBTF Risk / Return Rank: 99
IBTF Sharpe Ratio Rank: 99
IBTF Sortino Ratio Rank: 99
IBTF Omega Ratio Rank: 99
IBTF Calmar Ratio Rank: 100
IBTF Martin Ratio Rank: 100

FTABX

FTABX Risk / Return Rank: 48
FTABX Sharpe Ratio Rank: 48
FTABX Sortino Ratio Rank: 40
FTABX Omega Ratio Rank: 69
FTABX Calmar Ratio Rank: 44
FTABX Martin Ratio Rank: 37

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.

IBTF vs. FTABX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2025 Term Treasury ETF (IBTF) and Fidelity Tax-Free Bond Fund (FTABX). 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.

	IBTF	FTABX	Difference
Sharpe ratio Return per unit of total volatility	7.30	0.97	+6.32
Sortino ratio Return per unit of downside risk	16.95	1.31	+15.64
Omega ratio Gain probability vs. loss probability	4.26	1.27	+2.99
Calmar ratio Return relative to maximum drawdown	83.22	1.15	+82.07
Martin ratio Return relative to average drawdown	246.06	4.00	+242.06
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IBTF vs. FTABX - Sharpe Ratio Comparison

The current IBTF Sharpe Ratio is 7.30, which is higher than the FTABX Sharpe Ratio of 0.97. The chart below compares the historical Sharpe Ratios of IBTF and FTABX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	IBTF	FTABX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	7.30	0.97	+6.32
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.43	0.24	+0.20
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.54	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.45	1.04	-0.59

Correlation

The correlation between IBTF and FTABX is 0.27, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

IBTF vs. FTABX - Dividend Comparison

IBTF's dividend yield for the trailing twelve months is around 2.78%, less than FTABX's 3.20% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IBTF iShares iBonds Dec 2025 Term Treasury ETF	2.78%	3.83%	4.32%	4.03%	1.93%	0.57%	0.59%	0.00%	0.00%	0.00%	0.00%	0.00%
FTABX Fidelity Tax-Free Bond Fund	3.20%	4.18%	2.81%	2.90%	2.16%	2.27%	2.64%	2.94%	3.01%	3.49%	4.22%	3.29%

Drawdowns

IBTF vs. FTABX - Drawdown Comparison

The maximum IBTF drawdown since its inception was -10.45%, smaller than the maximum FTABX drawdown of -16.14%. Use the drawdown chart below to compare losses from any high point for IBTF and FTABX.

Drawdown Indicators

	IBTF	FTABX	Difference
Max Drawdown Largest peak-to-trough decline	-10.45%	-16.14%	+5.69%
Max Drawdown (1Y) Largest decline over 1 year	-0.04%	-4.74%	+4.70%
Max Drawdown (5Y) Largest decline over 5 years	-9.53%	-16.14%	+6.61%
Max Drawdown (10Y) Largest decline over 10 years	—	-16.14%	—
Current Drawdown Current decline from peak	0.00%	-2.66%	+2.66%
Average Drawdown Average peak-to-trough decline	-3.42%	-2.13%	-1.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.01%	1.37%	-1.36%

Volatility

IBTF vs. FTABX - Volatility Comparison

The current volatility for iShares iBonds Dec 2025 Term Treasury ETF (IBTF) is 0.00%, while Fidelity Tax-Free Bond Fund (FTABX) has a volatility of 1.15%. This indicates that IBTF experiences smaller price fluctuations and is considered to be less risky than FTABX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IBTF	FTABX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.00%	1.15%	-1.15%
Volatility (6M) Calculated over the trailing 6-month period	0.25%	1.79%	-1.54%
Volatility (1Y) Calculated over the trailing 1-year period	0.46%	4.84%	-4.38%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.39%	4.12%	-1.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.59%	4.27%	-1.68%