Found 2 exchanges where Hydration is traded for EUR. According to the data on 15 July the most optimal price to exchange HDX for EUR is €0.0045 for 1 Hydration. This rate is fixed at Kraken at the maximum trading volume of the pair HDX/EUR - 3 ths. EUR.
The maximum daily trading volume is observed in the HDX/USD trading pair at Kraken and reaches € 16,948.11 (0.0021% of the exchange's total trading volumes) at the price € 0.0046 per 1 HDX.
The minimum price to buy HDX for EUR is 0.0045 - on the exchange Kraken.
The maximum price to buy HDX/EUR is 0.0045 - on the exchange Kraken.