Banks buy dollar for more than Br 8600 (photo fact)
They sell even for Br 8720.
The official exchange rate of the USD is Br 8630. This is the new record. Yesterday dollar was Br 8570. The National Bank is ready to pay Br 11170 for a euro, and Br 277,5 for a Russian rouble.
The currency rates of other banks are available here.