The currency (no risk) spot trading firm earn not to compensate

For example
1, the currency now cost $18000
2, if up to 19000 dollars, cash profit $1000
3, if fell to $17000, spot losses of $1000

If you buy a BTC at the same time, in the BitOffer opened a put option hedge (4 hours), cost just $100

1, the currency rose from 18000 to 19000, spot directly earn 1000, options loss $100
2, if the COINS down from $18000 to $17000, cash losses of $1000, puts profit 1000 dollars, both to hedge each other, your account does not have any loss, this is the charm of hedge,