Dhaka, Sept. 23 -- Bangladesh Bank has purchased another $129.5 million at Tk121.75 per dollar from commercial banks in its latest effort to stabilize the foreign exchange market amid signs of excess supply.

With the latest intervention on Monday the central bank has, so far, bought US dollars amounting to $1.88 billion through auctions.

Earlier, On September 15, $353 million BB has been bought from more than 10 banks with exchange rates ranging between Tk121 and Tk121.75 under the Multiple Price Auction method.

On 9 September, Bangladesh Bank purchased $265 million from commercial banks through another auction with a cut-off rate of Tk121.70.

In the mid of July month the exchange rate of the American greenback continued to fall again...