Found 1 биржа where ETHGas is traded for ETH. According to the data on 7 May the most optimal price to exchange GWEI for ETH is Ξ0 for 1 ETHGas. This rate is fixed at Uniswap V4 (Ethereum) at the maximum trading volume of the pair GWEI/ETH - 0.1 ETH.
The maximum daily trading volume is observed in the GWEI/KRW trading pair at Bithumb and reaches Ξ 1,578.63 (1,331.28% of the exchange's total trading volumes) at the price Ξ 0 per 1 GWEI.