Dhaka, Dec. 29 -- The yields on treasury bills (T-bills) edged down on Sunday as the central bank purchased US$115 million more from three banks on the day to keep the exchange rate stable.

On the day, the government raised Tk 70 billion by issuing three types of T-bills to partially finance its budget deficit.

The cut-off yield, generally known as interest rate, on the 91-Day T-bills fell to 10.52 per cent on the day from 10.53 per cent of the previous level while the yield on 182-day T-bills remained almost unchanged at 10.65 per cent.

The yield on the 364-day T-bills declined to 10.71 per cent from 10.72 per cent earlier, according to the auction results.

"Most banks preferred to invest their excess liquidity in the risk-free secur...