Today, the maximum buying rates at commercial banks of Yerevan were 416 drams for 1 dollar, 353,5drams for 1 EUR and 13,2 drams for 1 Russian ruble. The minimum selling rates stood at 417,5 drams for 1 dollar, 536,5 drams for 1 EUR and 13,3 drams for 1 Russian ruble .