At a bitcoin price of $500, that's a mere $87.50.
而按500美元的单价将比特币兑换成美元,仅有87.50美元。
That means even if you are right, and you call the top of the bitcoin bubble, correctly predicting a whopping 55% plunge in the value of the currency and do all of this, you would lose $22.50.
这意味着,即便投资者的决策正确,预测了比特币泡沫的极限,也准确估算出比特币价格暴跌跌55%的事实,可最终依然要损失22.50美元。
You can get around this by upping your bet against bitcoins. If instead you buy two contracts, for $99, and once again the price plunges 60%, you will end up making a whopping $15. And I haven't factored in fees, which would probably run you about $4 for the whole transaction, including the dollar-to-bitcoin round trip, taking your profit down to $11.
投资者也可以通过加大做空投入来减少损失。如果投资者以99美元买入两笔合约,而比特币价格还是下跌60%,最终投资者可以获利15美元。这其中尚未考虑手续费,整笔交易的手续费约为4美元,包括美元与比特币的兑换费用,此时利润将降至11美元。
On top of all that, this isn't like trading on the New York Stock Exchange. Midday Wednesday, MPEx appeared to shut down, and the prices of the contracts disappeared. I was told this happens a lot. As of early Thursday, the exchange still wasn't listing prices. What's more, after running through my math of the trade with a Coinbr broker in a chat room, with the conclusion that there basically the trade doesn't make sense, he offered to sell me contracts at 0.033 bitcoins, so I could buy three contracts instead of two with my 0.1 bitcoins. That led me to question just how real the prices MPEx was quoting were.
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