Found 1 биржа where GYEN is traded for ETH. According to the data on 1 August the most optimal price to exchange GYEN for ETH is Ξ0 for 1 GYEN. This rate is fixed at Uniswap V4 (Ethereum) at the maximum trading volume of the pair GYEN/ETH - 0 ETH.
The maximum daily trading volume is observed in the GYEN/USDC trading pair at Uniswap (v2) and reaches Ξ 0.22 (5.0047% of the exchange's total trading volumes) at the price Ξ 0 per 1 GYEN.