Found 2 биржи where Brevis is traded for BNB. According to the data on 10 January the most optimal price to exchange BREV for BNB is BNB0 for 1 Brevis. This rate is fixed at Binance at the maximum trading volume of the pair BREV/BNB - 25.1 BNB.
The maximum daily trading volume is observed in the BREV/KRW trading pair at Upbit and reaches BNB 38,885.34 (2,434.03% of the exchange's total trading volumes) at the price BNB 0 per 1 BREV.