Found 1 биржа where Changer is traded for ETH. According to the data on 24 February the most optimal price to exchange CNG for ETH is Ξ0 for 1 Changer. This rate is fixed at Uniswap V4 (Ethereum) at the maximum trading volume of the pair CNG/ETH - 0.2 ETH.
The maximum daily trading volume is observed in the CNG/USDT trading pair at MXC and reaches Ξ 0.24 (0.0377% of the exchange's total trading volumes) at the price Ξ 0 per 1 CNG.