It sold 550 million riyals of three-month bills at a yield of 2.65 percent, 300 million riyals of six-month bills with a 2.8 percent yield, and 150 million riyals of nine-month bills at 3 percent.

Last month, the central bank sold 900 million riyals of Treasury bills with three-month yields at 2.52 percent, six-month at 2.63 percent and nine-month at 2.9 percent .