Found 1 биржа where GYEN is traded for ETH. According to the data on 24 October 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/USD trading pair at Bitstamp and reaches Ξ 0 (0.0149% of the exchange's total trading volumes) at the price Ξ 0 per 1 GYEN.