IGLB vs. FLDR

Last updated Apr 1, 2026

Compare and contrast key facts about iShares 10+ Year Investment Grade Corporate Bond ETF (IGLB) and Fidelity Low Duration Bond Factor ETF (FLDR).

IGLB and FLDR are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. IGLB is a passively managed fund by iShares that tracks the performance of the ICE BofAML10+ Year US Corporate Index. It was launched on Dec 8, 2009. FLDR is a passively managed fund by Fidelity that tracks the performance of the Fidelity Low Duration Investment Grade Factor Index. It was launched on Jun 12, 2018. Both IGLB and FLDR are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

IGLB vs. FLDR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares 10+ Year Investment Grade Corporate Bond ETF (IGLB) and Fidelity Low Duration Bond Factor ETF (FLDR). The values are adjusted to include any dividend payments, if applicable.

IGLB vs. FLDR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
IGLB iShares 10+ Year Investment Grade Corporate Bond ETF	-0.77%	7.53%	-1.50%	11.03%	-25.38%	-1.68%	13.30%	23.19%	-0.65%
FLDR Fidelity Low Duration Bond Factor ETF	0.65%	5.41%	5.71%	6.32%	-0.33%	-0.18%	2.01%	4.52%	0.94%

Returns By Period

In the year-to-date period, IGLB achieves a -0.77% return, which is significantly lower than FLDR's 0.65% return.

IGLB

• 1D: 0.73%
• 1M: -3.01%
• YTD: -0.77%
• 6M: -1.22%
• 1Y: 4.05%
• 3Y*: 3.25%
• 5Y*: -1.62%
• 10Y*: 2.45%

FLDR

• 1D: 0.12%
• 1M: -0.15%
• YTD: 0.65%
• 6M: 1.86%
• 1Y: 4.49%
• 3Y*: 5.52%
• 5Y*: 3.58%
• 10Y*: —

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

IGLB vs. FLDR - Expense Ratio Comparison

IGLB has a 0.06% expense ratio, which is lower than FLDR's 0.15% 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%.

FLDR

Fidelity Low Duration Bond Factor ETF

IGLB

iShares 10+ Year Investment Grade Corporate Bond ETF

Return for Risk

IGLB vs. FLDR — Risk / Return Rank

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

IGLB

IGLB Risk / Return Rank: 27
IGLB Sharpe Ratio Rank: 26
IGLB Sortino Ratio Rank: 23
IGLB Omega Ratio Rank: 23
IGLB Calmar Ratio Rank: 35
IGLB Martin Ratio Rank: 27

FLDR

FLDR Risk / Return Rank: 98
FLDR Sharpe Ratio Rank: 99
FLDR Sortino Ratio Rank: 99
FLDR Omega Ratio Rank: 99
FLDR Calmar Ratio Rank: 98
FLDR Martin Ratio Rank: 98

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.

IGLB vs. FLDR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares 10+ Year Investment Grade Corporate Bond ETF (IGLB) and Fidelity Low Duration Bond Factor ETF (FLDR). 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.

	IGLB	FLDR	Difference
Sharpe ratio Return per unit of total volatility	0.41	4.59	-4.18
Sortino ratio Return per unit of downside risk	0.61	6.89	-6.28
Omega ratio Gain probability vs. loss probability	1.08	2.22	-1.13
Calmar ratio Return relative to maximum drawdown	0.83	5.98	-5.15
Martin ratio Return relative to average drawdown	1.97	31.24	-29.27
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IGLB vs. FLDR - Sharpe Ratio Comparison

The current IGLB Sharpe Ratio is 0.41, which is lower than the FLDR Sharpe Ratio of 4.59. The chart below compares the historical Sharpe Ratios of IGLB and FLDR, 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

	IGLB	FLDR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.41	4.59	-4.18
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.13	2.98	-3.11
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.20	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.37	0.60	-0.23

Correlation

The correlation between IGLB and FLDR is 0.45, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

IGLB vs. FLDR - Dividend Comparison

IGLB's dividend yield for the trailing twelve months is around 5.25%, more than FLDR's 4.54% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IGLB iShares 10+ Year Investment Grade Corporate Bond ETF	5.25%	5.14%	5.10%	4.59%	4.56%	3.16%	3.22%	3.73%	4.56%	3.94%	4.21%	4.58%
FLDR Fidelity Low Duration Bond Factor ETF	4.54%	4.66%	5.50%	5.28%	2.09%	0.51%	1.22%	2.69%	1.38%	0.00%	0.00%	0.00%

Drawdowns

IGLB vs. FLDR - Drawdown Comparison

The maximum IGLB drawdown since its inception was -34.12%, which is greater than FLDR's maximum drawdown of -12.23%. Use the drawdown chart below to compare losses from any high point for IGLB and FLDR.

Drawdown Indicators

	IGLB	FLDR	Difference
Max Drawdown Largest peak-to-trough decline	-34.12%	-12.23%	-21.89%
Max Drawdown (1Y) Largest decline over 1 year	-5.41%	-0.76%	-4.65%
Max Drawdown (5Y) Largest decline over 5 years	-34.12%	-2.33%	-31.79%
Max Drawdown (10Y) Largest decline over 10 years	-34.12%	—	—
Current Drawdown Current decline from peak	-15.08%	-0.15%	-14.93%
Average Drawdown Average peak-to-trough decline	-8.04%	-0.36%	-7.68%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.27%	0.14%	+2.13%

Volatility

IGLB vs. FLDR - Volatility Comparison

iShares 10+ Year Investment Grade Corporate Bond ETF (IGLB) has a higher volatility of 3.94% compared to Fidelity Low Duration Bond Factor ETF (FLDR) at 0.42%. This indicates that IGLB's price experiences larger fluctuations and is considered to be riskier than FLDR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IGLB	FLDR	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.94%	0.42%	+3.52%
Volatility (6M) Calculated over the trailing 6-month period	5.53%	0.56%	+4.97%
Volatility (1Y) Calculated over the trailing 1-year period	9.95%	0.98%	+8.97%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.42%	1.21%	+11.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	12.53%	5.32%	+7.21%