CAIRO, July 31 (Reuters) - Yields on Egypt's three-month and nine-month treasury bills edged down at Sunday's auction, data from the central bank website showed.
The average yield on the 91-day bill dropped to 14.212 percent from 14.272 percent at the last auction on July 24. The 266-day bill also dropped to 15.653 percent from 15.752 percent at a similar auction a week ago.