The first method: 20 times more + put options contracts do hedge
1, if you use $500 to open more than 20 times leverage do
2, at the same time in BitOffer 20 put option hedging cost ($100)

When the etheric fang rise $50, that is, 5% for
1, 20 times the leverage to do much, profit 100%, that is, earning $500
2, puts the loss of the principal, that is, $100
3500-100=$400 (net)

As the etheric fang fell $50, that is, a 5% drop
1, 20 times the leverage to do much, blowing up contract, loss of $500
2, puts profit $1000, options cost $100
0-500-100=3100 $400 (net)

The second method: options double open
1, 20 call options, cost $100
2, 20 put options, cost $100

When the etheric fang rise $50
1, 20 zhang calls profit $1000
2, 20 a put option loss $100
3100 - $100=$900

When the currency fell $50
1, 20 a put option profit $1000
2, 20 zhang call loss $100
3100 - $100=$900

When the etheric fang break through $1000, using the above two methods, whether the etheric fang continues to boom, or a quick hit plate, can get stable income,