Interactive Brokers Website

Usual dumb password restrictions, but this one has incredibly dumb username restrictions too:


  • Length of 8 or 9 letters and numbers
  • Contain at least 3 letters and 3 numbers
  • Begin with a letter
  • Lower case only, no spaces, no special characters


  • Cannot match username
  • Length of 8 to 40 characters
  • Contain at least 1 letter
  • Contain at least 1 number
  • Case sensitive, no spaces, no special characters
Interactive Brokers dumb password rule screenshot