在正常的货币期权交易时,投资者可以将做空其他货币所使用的货币作为结算货币。所以,如果用美元来做空欧元,则在合约结算时可以使用美元,进而抵消欧元价值下跌这一事实。
You can't currently do that with bitcoins. All of the bitcoin options and futures contracts are settled in bitcoins. This is a very bad deal. Because even if I end up with a bitcoin windfall, they will be worth a lot less when I convert them back into dollars.
但目前在比特币期权中却无法如此操作。所有比特币期权和期货合约均以比特币进行结算。这是非常不划算的交易。原因在于,即使投资者最终从比特币期权中获益,最终兑换成美元的价值仍要大打折扣。
Here's the math:
以下是计算过程:
To open an account, it has to be funded with 0.1 bitcoin, which will cost $110 as of Thursday morning.
开立账户必须提供0.1个比特币,按周四上午的价格约合110美元。
The put option costs 0.045 bitcoins, leaving 0.055 bitcoins still in the account.
看跌期权的成本为0.045个比特币,账户中剩余0.055个比特币。
After our imagined 55% plunge, the value of the put contract has soared to 0.12 bitcoins.
按照我们上面的假设,比特币价格暴跌55%之后,看跌合约的价值将上涨到0.12个比特币。加上账户中剩余的金额,目前共有0.175个比特币。
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