Found 2 биржи where NEXO is traded for ETH. According to the data on 28 April the most optimal price to exchange NEXO for ETH is Ξ0 for 1 NEXO. This rate is fixed at HitBTC at the maximum trading volume of the pair NEXO/ETH - 0 ETH.
The maximum daily trading volume is observed in the NEXO/USDT trading pair at Binance and reaches Ξ 3,179.77 (90.61% of the exchange's total trading volumes) at the price Ξ 0 per 1 NEXO.
The minimum price to buy NEXO for ETH is 0 - on the exchange HitBTC.