BTG is trading at 0.039 BTC on hitbtc.com 
It should be 0. I don't see the value proposition with this one.....

It should be 0. I don't see the value proposition with this one.....
Exchanges are probably given a percentage of the coins to put on their exchange along with the founders adding some coins for liquidity.
This gives it a price as people trade them for bitcoins slowly eating them up.