The dollar and yuan have decreased in value, while the Russian ruble has increased in value on the trades of October 30. This information is posted on the website of the Belarusian Currency and Stock Exchange, according to Belta. The dollar has decreased by 0.0002 rubles, with its exchange rate standing at 2.946 rubles. The yuan's exchange rate has decreased by 0.002 rubles and now stands at 4.4266 rubles per 10 yuan. The exchange rate of the Russian ruble has increased by 0.0011 and now stands at 3.6635.