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BFIX vs ISTB

Build Bond Innovation ETF vs iShares Core 1-5 Year USD Bond ETF

BFIX

Build Bond Innovation ETF

Build Asset Management, LLC

Annual cost

0.45%

Fund size

$13M

ISTB

iShares Core 1-5 Year USD Bond ETF

iShares

Annual cost

0.06%

Fund size

$4.7B

Key differences

  • ISTB costs 0.39% less per year.
  • ISTB is significantly larger than BFIX — larger funds tend to be more liquid and less likely to close.
  • BFIX is classified as alternative, while ISTB is fixed income — different risk/return profiles.
  • BFIX follows a option income strategy; ISTB uses index tracking.
  • Over the last 3 years, BFIX has delivered higher annualized returns.
  • ISTB has a longer track record, which may reduce uncertainty around long-term behavior.

Side-by-side comparison

BFIXISTB
Annual cost (TER)0.45%0.06%
Fund size (AUM)$13M$4.7B
Since20222012
Dividend yield3.60%4.20%
Asset classalternativefixed income
Regionnorth americanorth america
Strategyoption incomeindex tracking
CAGR 1Y+4.7%+4.4%
CAGR 3Y+7.7%+4.7%
CAGR 5YN/A+1.8%
Sharpe 3Y0.810.47
Volatility 1Y2.90%1.77%
Max drawdown-8.03%-9.34%

Green dot indicates the better value for that metric. Performance data is historical and does not predict future results.

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