MOSCOW, October 31. /TASS/. Russia's Central Bank has begun analysis of the highly offbeat currency trading at the Moscow Exchange on October 30, the press service of the country's chief financial regulator told TASS on Friday answering a question on whether the CBR was going to investigate the circumstances, in which the US dollar weakened by more than two rubles.

"The dynamics of the exchange rate on the Moscow exchange on October 30 had an unconventional character and we have begun to scrutinize it," a spokesperson for the press service said. "On the basis of the findings that will be made, a decision on a possible investigation will be taken."

He stressed the CBR's permanent monitoring of trading sessions at the Moscow Exchange.

"Unconventional situations are subjected to preliminary analysis that helps expose possible manipulations or insider trading," the spokesperson said.