and daily sales are 5-15 thousand US dollars. I think people are day trading it or something.
Actually I see fake volume on cryptopia on many pairs. Not only on BIP.
What does that mean? Is it something Cryptopia is doing?
I bet it's a witch^W exchange's craft, ask/bid appears then immediate sell/buy happens, this is how you pump volume to attract customers. Hitbtc is/have been famous for this kind of advertisement.
And the only way to buy/sell something is market buy or dump.