Found 3 биржи where AdEx is traded for ETH. According to the data on 12 July the most optimal price to exchange ADX for ETH is Ξ0 for 1 AdEx. This rate is fixed at Binance at the maximum trading volume of the pair ADX/ETH - 165.5 ETH.
The maximum daily trading volume is observed in the ADX/USDT trading pair at Huobi Global and reaches Ξ 1,363.46 (205.44% of the exchange's total trading volumes) at the price Ξ 0 per 1 ADX.
The minimum price to buy ADX for ETH is 0 - on the exchange Binance.