Found 4 exchanges where Zcash is traded for ETH. According to the data on 28 July the most optimal price to exchange ZEC for ETH is Ξ0.253 for 1 Zcash. This rate is fixed at Vindax at the maximum trading volume of the pair ZEC/ETH - 62.9 ETH.
The maximum daily trading volume is observed in the ZEC/USDT trading pair at Binance and reaches Ξ 42,799.06 (1.98% of the exchange's total trading volumes) at the price Ξ 0.288 per 1 ZEC.
The minimum price to buy ZEC for ETH is 0.259 - on the exchange XT.
The maximum price to buy ZEC/ETH is 0.288 - on the exchange Binance.