Found 2 exchanges where Spark is traded for BTC. According to the data on 29 July the most optimal price to exchange SPK for BTC is ₿0.00000026 for 1 Spark. This rate is fixed at Upbit Indonesia at the maximum trading volume of the pair SPK/BTC - 0 BTC.
The maximum daily trading volume is observed in the SPK/KRW trading pair at Upbit and reaches ₿ 23.15 (0.343% of the exchange's total trading volumes) at the price ₿ 0.00000025 per 1 SPK.
The minimum price to buy SPK for BTC is 0.00000026 - on the exchange Upbit Indonesia.
The maximum price to buy SPK/BTC is 0.00000026 - on the exchange Upbit.
Внимание: у части рынков SPK аномально широкий спред — такие котировки могут быть ненадёжными (низкая ликвидность или нерыночные сделки). Сверяйтесь с объёмом и несколькими площадками.