Dhaka, May 19 -- The interbank exchange rate of the US dollar against Bangladeshi taka starts moving up slowly following the implementation of market-driven exchange-rate regime.

Because of the rise, the reference rate published by Bangladesh Bank (BB), the country's central bank, rose to Tk 122.31 per dollar at the end of the business hours on Monday, up from Tk 121.99 on Sunday.

According to BB data, commercial banks on Monday traded deals amounting to $16.10 million on the interbank spot market where the lowest and the highest rates were recorded at Tk 122.60 and Tk 122.75 per dollar respectively.

Requesting anonymity, a BB official said the exchange rate has started rising on the market under the floating exchange rate regime and t...