Futures contracts and options, as we all know, contracts are margin system, as long as you position the margin is not enough, will hit a broke, but the option is different, it has no margin system, midway no matter what currency movements, will not blowing up, and no transaction fee options,

COINS breakthrough after $19000, for example, do you think the currency will continue to rally, made more than $200 50 times manchang, midway as long as the currency fell more than 2% you broke in, $200 and directly, but if buy BitOffer option is different, with an option costs around $20, midway through, no matter how much the currency fell it won't be broke, as long as the final when due, the currency of the price is more than $19000, can be profitable, so play options contracts than playing, eliminating the possibility of broke,