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XFLX vs DDXX

FundX Flexible ETF vs Defined Duration 20 ETF

XFLX

FundX Flexible ETF

Fund X

Annual cost

0.97%

Fund size

$49M

DDXX

Defined Duration 20 ETF

Discipline Funds

Annual cost

0.25%

Fund size

$14M

Key differences

  • DDXX costs 0.72% less per year.
  • XFLX is significantly larger than DDXX — larger funds tend to be more liquid and less likely to close.
  • XFLX is classified as fixed income, while DDXX is equity — different risk/return profiles.
  • XFLX has a longer track record, which may reduce uncertainty around long-term behavior.

Side-by-side comparison

XFLXDDXX
Annual cost (TER)0.97%0.25%
Fund size (AUM)$49M$14M
Since20022025
Dividend yield9.73%
Asset classfixed incomeequity
Regionnorth america
Strategyactive selectionactive selection
CAGR 1Y+5.1%N/A
CAGR 3YN/AN/A
CAGR 5YN/AN/A
Sharpe 3YN/AN/A
Volatility 1Y3.52%
Max drawdown-6.54%-9.30%

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

Similar to XFLX and DDXX