Found 2 exchanges where NEO is traded for BTC. According to the data on 30 July the most optimal price to exchange NEO for BTC is ₿0.000031 for 1 NEO. This rate is fixed at WhiteBIT at the maximum trading volume of the pair NEO/BTC - 0.1 BTC.
The maximum daily trading volume is observed in the NEO/USDT trading pair at BitMart and reaches ₿ 14.43 (0.0531% of the exchange's total trading volumes) at the price ₿ 0.000031 per 1 NEO.
The minimum price to buy NEO for BTC is 0.00003 - on the exchange HitBTC.
The maximum price to buy NEO/BTC is 0.000031 - on the exchange WhiteBIT.