合约代价就会上涨。
ICBIT可以免费提供账户，然后将其转入ICBIT或MPEx的账户后才气开始生意业务， or strike price，这相当于33，） 我抉择从经纪公司Coinbr展开观测，而假如最终泡沫割裂， a bitcoin exchange -- is run by a guy in Moscow. MPEx， 投资者也可以卖出看涨期权（以预订价值购置的权利），而购置比特币自己就有很浩劫度， which in itself is no easy task，但这将是一笔价钱奋发的生意业务，今朝共有四家这样的公司，就必需先借入你要对赌的股票或债券或其他任何对象，要想举办卖空生意业务，今朝，而借入比特币险些是不行能的，所以，笔者照旧僵持看跌期权， the right to buy at a set price，纵然投资者能从中获益，你首先必需从其他处所购置比特币，据称香港一家公司正在测试提供比特币做空生意业务，利润也不会太高， 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， 投资者可以购置衍生东西合约， but that is riskier and requires collateral. So I stuck to looking at put contracts. ，并且都不接管美元， 布鲁克林生意业务处理惩罚商BitInstant正打算在来岁年头创立一家比特币期权生意业务所，000美元。
有很多机构推出了比特币期权和期货产物， if anything. The traditional way you bet against something is to "short it." But in order to do a short sale you have to borrow a share of stock or bond or whatever you are looking to bet against. And borrowing bitcoins is nearly impossible. There is a company based in Hong Kong in testing phase that seems to offer bitcoin shorting，因此，则投资者可以或许赢利， 这些机构均要求开立账户后才气举办生意业务，000. I heard good things about ICBIT， 比特币股权生意业务所MPEx也推出了比特币期权， and transfer them to your ICBIT or MPEx account before you can get started. MPEx charges 30 bitcoins to open an account，这家公司答允投资者在MPEx上生意业务期权，不外， you won't walk away with much，并且需要抵押， but I couldn't find out much about it. What you can buy is a derivative contract that will rise in value when bitcoins fall in price. There are a number of places that sell options and futures on bitcoins. One place -- ICBIT， is planning on launching a bitcoin futures exchange early next year. All of these places require that you open an account to start trading，这家生意业务所为以比特币生意业务股份的公司提供股权生意业务处事，假如该投资品的实际价值下跌至预订价值或执行价值以下，并存入最低0.1个比特币，自然要买入看跌期权，仍需在Coinbr的账户中存入至少0.1个比特币，但要收取生意业务佣金。
you make money. You could also sell a call option，所谓看跌期权是指答允投资者以预订价值卖出投资品的衍生东西合约。
对赌的传统方法是“做空”，（比特币可以支解到小数购置， 你敢对赌比特币泡沫终将割裂吗？ 虽然。
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， 首先：既然投资者打算做空比特币， which offered accounts for free but charges a commission when you trade. But to see the prices of the contracts，假如要开始生意业务， 在MPEx开设账户要收费30个比特币， you had to get your account up and running and deposit a minimum of 0.1 bitcoins. (You can buy bitcoins in fractions.) I decided to check out Coinbr，无需在MPEx开立账户，。
但这种操纵的风险更高， which at Wednesday's closing price was $33，所以在开始操纵之前。
亏得MPEx答允任何人查察合约价值，但笔者并未找到太多这方面的信息。
a Brooklyn-based payment processor， 好动静是，，而要想查察合约价值。
投资者必需启动账户， and none of them take dollars. So you have to buy some bitcoins elsewhere，比及比特币价值下跌时， what you want to do is buy a put option， 个中一家机构是莫斯科的比特币生意业务所ICBIT， so you know what you are getting into before you start. Here we go: If you are betting against bitcoins，凭据周三的收市价值。
a stock exchange for companies with shares traded in bitcoins -- there are four of them -- also lists bitcoin options. BitInstant。
Can you bet on the likely eventual bitcoin crash? You bet. But it's an expensive trade. And even if you're right，你能较量清楚地相识环境。
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