Found 1 exchange where Union is traded. As of 18 September, the best price to buy Union — BNB0.00000034 — is on Bitvavo, the venue with the highest trading volume for the U/EUR pair (10.2 BNB).
The maximum daily trading volume is observed in the U/EUR trading pair at Bitvavo and reaches BNB 10.17 (0.0027% of the exchange's total trading volumes) at the price BNB 0.00000034 per 1 U.