The fees always refer to the purchase & sale and are billed to the two parties according to the table.

Pair	Buyer	Seller
ALP/BTC	0.00%	0.20%
ALP/ETH	0.00%	0.20%
BTC/ETH	0.40%	0.40%
ALP/CHF	0.00%	0.20%
ALP/EURO	0.00%	0.20%
ALP/USD	0.00%	0.20%