Found 3 exchanges where Dash is traded for EUR. According to the data on 27 July the most optimal price to exchange DASH for EUR is €30.12 for 1 Dash. This rate is fixed at Kraken at the maximum trading volume of the pair DASH/EUR - 21 ths. EUR.
The maximum daily trading volume is observed in the DASH/USDT trading pair at Azbit and reaches € 6,485,343.84 (0.576% of the exchange's total trading volumes) at the price € 28.9 per 1 DASH.
The minimum price to buy DASH for EUR is 28.61 - on the exchange CEX.IO.
The maximum price to buy DASH/EUR is 30.14 - on the exchange OKEx.