Found 2 exchanges where Swell is traded for EUR. According to the data on 29 August the most optimal price to exchange SWELL for EUR is €0.00065 for 1 Swell. This rate is fixed at Bitvavo at the maximum trading volume of the pair SWELL/EUR - 79.7 ths. EUR.
The maximum daily trading volume is observed in the SWELL/USD trading pair at Coinbase Pro and reaches € 733 397.21 (0.046% of the exchange's total trading volumes) at the price € 0.00092 per 1 SWELL.
The minimum price to buy SWELL for EUR is 0.00055 - on the exchange Kraken.
The maximum price to buy SWELL/EUR is 0.00065 - on the exchange Bitvavo.
Warning: some SWELL markets show an abnormally wide spread — those quotes may be unreliable (thin liquidity or off-market trades). Cross-check the volume against several venues.