好消息是,ICBIT可以免费提供账户,但要收取交易佣金。而要想查看合约价格,投资者必须启动账户,并存入最低0.1个比特币。(比特币可以分割到小数购买。)
I decided to check out Coinbr, a brokerage firm that allows you to trade options on MPEx without opening an account there. You still have to deposit 0.1 bitcoin in a Coinbr account to get started. But MPEx allows anyone to see the prices of its contracts, so you know what you are getting into before you start.
我决定从经纪公司Coinbr展开调查。这家公司允许投资者在MPEx上交易期权,无需在MPEx开立账户。不过,如果要开始交易,仍需在Coinbr的账户中存入至少0.1个比特币。好在MPEx允许任何人查看合约价格,所以在开始操作之前,你能比较清楚地了解情况。
Here we go: If you are betting against bitcoins, what you want to do is buy a put option, which is a derivative contract that allows you to sell something at a set price. If the actual price of the thing falls below the set price, or strike price, you make money.
首先:既然投资者计划做空比特币,自然要买入看跌期权。所谓看跌期权是指允许投资者以预定价格卖出投资品的衍生工具合约。如果该投资品的实际价格下跌至预定价格或执行价格以下,则投资者能够获利。
You could also sell a call option, the right to buy at a set price, but that is riskier and requires collateral. So I stuck to looking at put contracts.
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