Today, the maximum buying rates at commercial banks of Yerevan were 416,5 drams for 1 dollar, 535 drams for 1 EUR and 13,4 drams for 1 Russian ruble. The minimum selling rates stood at 418,3 drams for 1 dollar, 538 drams for 1 EUR and 13,4 drams for 1 Russian ruble.