Analysts estimated how long the dollar can trade at 60 rubles.

A sharp rise in the ruble to highs in several years will be short-lived, experts say. But the factors that ensured it - the tax period for oil workers and gas payments under the new scheme,

The strengthening of the ruble has two main reasons, experts interviewed by RBC say. First, exporters began to sell more foreign exchange earnings to pay the mineral extraction tax. Secondly, settlements for Russian gas have started under a new scheme that provides for the conversion of currency into rubles, they say.