Found 4 exchanges where dYdX is traded for EUR. According to the data on 23 July the most optimal price to exchange DYDX for EUR is €0.111 for 1 dYdX. This rate is fixed at Bitvavo at the maximum trading volume of the pair DYDX/EUR - 41.8 ths. EUR.
The maximum daily trading volume is observed in the DYDX/USDT trading pair at WhiteBIT and reaches € 719,992.46 (0.119% of the exchange's total trading volumes) at the price € 0.107 per 1 DYDX.
The minimum price to buy DYDX for EUR is 0.106 - on the exchange WhiteBIT.
The maximum price to buy DYDX/EUR is 0.112 - on the exchange CEX.IO.