Found 3 exchanges where Sky is traded for BTC. According to the data on 8 August the most optimal price to exchange SKY for BTC is ₿0.00000084 for 1 Sky. This rate is fixed at WhiteBIT at the maximum trading volume of the pair SKY/BTC - 1.2 BTC.
The maximum daily trading volume is observed in the SKY/USDT trading pair at Toobit and reaches ₿ 7.25 (0.0587% of the exchange's total trading volumes) at the price ₿ 0.00000084 per 1 SKY.
The minimum price to buy SKY for BTC is 0.00000084 - on the exchange WhiteBIT.
The maximum price to buy SKY/BTC is 0.00000087 - on the exchange Byte Exchange.