Found 2 exchanges where ARPA is traded for EUR. According to the data on 23 July the most optimal price to exchange ARPA for EUR is €0.0073 for 1 ARPA. This rate is fixed at Bitvavo at the maximum trading volume of the pair ARPA/EUR - 751.7 EUR.
The maximum daily trading volume is observed in the ARPA/USDT trading pair at LBank and reaches € 1,919,741.35 (0.155% of the exchange's total trading volumes) at the price € 0.0074 per 1 ARPA.
The minimum price to buy ARPA for EUR is 0.0073 - on the exchange Bitvavo.
The maximum price to buy ARPA/EUR is 0.0074 - on the exchange Kraken.