Found 4 биржи where HEX is traded for ETH. According to the data on 17 May the most optimal price to exchange HEX for ETH is Ξ0 for 1 HEX. This rate is fixed at OpenOcean at the maximum trading volume of the pair HEX/ETH - 19.3 ETH.
The maximum daily trading volume is observed in the HEX/WETH trading pair at Uniswap (v3) and reaches Ξ 46.74 (30.87% of the exchange's total trading volumes) at the price Ξ 0 per 1 HEX.
The minimum price to buy HEX for ETH is 0 - on the exchange OpenOcean.