Found 2 биржи where HEX is traded for USDT. According to the data on 26 February the most optimal price to exchange HEX for USDT is ₮0 for 1 HEX. This rate is fixed at Uniswap (v2) at the maximum trading volume of the pair HEX/USDT - 156.3 USDT.
The maximum daily trading volume is observed in the HEX/WETH trading pair at Uniswap (v3) and reaches ₮ 52,858 (0.0101% of the exchange's total trading volumes) at the price ₮ 0 per 1 HEX.
The minimum price to buy HEX for USDT is 0 - on the exchange Uniswap (v2).