Found 2 биржи where Gasspas is traded for ETH. According to the data on 13 June the most optimal price to exchange GASS for ETH is Ξ0 for 1 Gasspas. This rate is fixed at Bilaxy at the maximum trading volume of the pair GASS/ETH - 13.5 ETH.
The maximum daily trading volume is observed in the GASS/USDT trading pair at KCEX and reaches Ξ 15.14 (2.97% of the exchange's total trading volumes) at the price Ξ 0 per 1 GASS.
The minimum price to buy GASS for ETH is 0 - on the exchange Bilaxy.