Found 1 exchange where ARK is traded for BTC. According to the data on 14 August the most optimal price to exchange ARK for BTC is ₿0.0000015 for 1 ARK. This rate is fixed at CoinEx at the maximum trading volume of the pair ARK/BTC - 0.1 BTC.
The maximum daily trading volume is observed in the ARK/USDT trading pair at BitVenus and reaches ₿ 3.19 (0.0145% of the exchange's total trading volumes) at the price ₿ 0.0000014 per 1 ARK.
The minimum price to buy ARK for BTC is 0.0000015 - on the exchange CoinEx.
The maximum price to buy ARK/BTC is 0.0000015 - on the exchange CoinEx.