Today, the maximum buying rates at commercial banks of Yerevan were 408,5 drams for 1 dollar, 541,5drams for 1 EUR and 13,5 drams for 1 Russian ruble. The minimum selling rates stood at 410 drams for 1 dollar, 541,5 drams for 1 EUR and 13,6 drams for 1 Russian ruble.