Found 3 биржи where Numeraire is traded for ETH. According to the data on 29 December the most optimal price to exchange NMR for ETH is Ξ0 for 1 Numeraire. This rate is fixed at Gate.io at the maximum trading volume of the pair NMR/ETH - 35.6 ETH.
The maximum daily trading volume is observed in the NMR/USDT trading pair at Binance and reaches Ξ 416.2 (83.97% of the exchange's total trading volumes) at the price Ξ 0 per 1 NMR.
The minimum price to buy NMR for ETH is 0 - on the exchange Gate.io.