I'm not so sure if this one called trading, And I think its risky to deposit any amount on the Bitcoin address in the site platform.
in short, there is danger if you try to deposit in any address to their platform, which is you are gambling your money in it.
You should read more carefully mate. That's OP's site, he wants create a daily trade about predict bitcoin price.
OP, this kind of gambling (Yea, for me it's gambling, not trading) have been in some other sites, that's called binary options