About US stock margin short selling, the benefits and risks of US stock short selling

In A shares, the vast majority of retail investors are only ravaged by shorts, and there is basically no chance to try shorting by themselves. However, in the US stock market, as long as you open a financing account, you can play short selling with $ 2,000 .

What is short selling?

Sell ​​Short means that investors believe that the stock price of a stock will fall in the future. Investors can sell the stock borrowed from the broker at the current price, and buy the stock at a lower price to make up for the stock after the stock falls. Return the broker to earn the difference in the middle. Investors can keep shorting stocks up to a minimum margin margin ratio and will only be charged interest on the stocks you borrow.

can't read? for example

You think that stock A will drop when the company reports earnings in a week stock A is now trading at $ 100 . So, you borrow 100 shares of stock A from the broker to sell short. So, now you sell 100 shares of stock A that don't belong to you .

一个星期后,公司公布财报,结果股票A的价格下跌到90美元。 你决定现在是时候补回了。所以,你用更低的价格 ( 90美元 买回100股的股票A来归还券商。因此,投资者的利润是10美元一股 卖空和补回的差价 。在没有计算佣金和利息之下,投资者的总利润是1000美元 ( 10美元x100股 

但是,如果股票A在财报公布后上涨到了110美元,这时候你补回的话,就需要用110美元的市价从市场上补回100股的股票A。由于你用了一个更高的价格来买回股票A,这个交易的损失是10美元一股,总共损失了1000美元 ( 10美元×100),并且不包括佣金和利息 。

卖空的好处是什么?

1、 下跌行情中也可以赚钱了,熊市不再吃面啦!

这个很好理解,炒股传统的赚钱方式无非“低买高卖”,涨的越多赚的越多。相反,卖空是先高卖再低买,实际上有点类似赊货交易的模式。投资者在股票下跌的行情中也能够获利。

2、当你看空某只股票,那么,你可以拿出实际行动,通过卖空赚钱了!

当你觉得某只股票严重高估,泡沫要破,或者你认为某家公司运营存在问题,即将完蛋,那么你可以选择卖空,赌他下跌,进而获利啦。(没开美股的百度的空头们是不是追悔莫及了?)

卖空有什么风险吗?

卖空虽然新鲜好玩,但也存在着巨大的风险,投资者要非常小心。当你使用传统“低买高卖”的方式来交易股票,投资最大的风险是损失你的本金。但是当你卖空的时候,最大的损失将有可能是无限的,所有的卖空交易都需要通过融资帐户来进行的,如果你卖空的股票涨的越高,你的损失也将会越大,面临不断追加保证金,甚至被强平、爆仓的风险。

关于卖空风险,为大家总结下:

或许有的人会觉得只要我确定的这家公司不好,我就一直空着他呗,早晚会“守得云开见月明”——啥时候跌下来啥时候回补。

这个想法从理论上没有什么问题,但是实际操作中你需要保证两个前提:1、一直有人愿意借给你股票;2、你有无限量的保证金。如果说1的风险在交易活跃的市场还有可能避免,那么2则是没有人可以做到的。如果12共同作用,那么轧空的市场反应就会异常明显。

逼空风险(short squeezes):逼空风险通常会出现在这种情况下,如果某只股票有大量空头仓位,股价涨幅太大,卖空者就会被迫平仓,遭受损失。这种大量买盘甚至会推动更多买盘,导致股价持续上涨。

几个特别需要注意的地方

1、美股卖空违法吗?

美国没有恶意卖空之说,你可以正大光明的卖空,警察不会找你麻烦,上市公司也不会因为你卖空就起诉你。(当然,这不代表卖空没有风险)

2、所有美股账户都有卖空权限吗?

卖空须要开通融资账户,现金账户是不能进行卖空操作的,不过,美股融资门槛很低,例如在雪球开通第一证券美股账户的话,入金2000美金就可以,也就是说投个人民币1万来块钱就可以体验下传说中的做空了。

However, I would like to remind you that opening a financing account needs to be reviewed, and it is not possible to apply for it at will. It is recommended that when opening an account, you should fill in the high point of income, the point of rich investment experience, and the point of aggressive investment style. Otherwise, it may not pass. (Don't tell anyone, this is what I told you)

3. Can all stocks be shorted?

Not every stock can be short-sold. If you can't borrow a ticket from a brokerage, you can't short-sell it. Some stocks have surprisingly high interest rates, which will discourage you. Therefore, you will see that Yirendai has skyrocketed, and many people are short but unable to do so.

4. What is the charge for short selling?

The cost of short selling in securities lending is more complicated. The interest on short selling of securities is generally related to the risk level of the stock, the liquidity of the stock, and the short-selling ratio (the number of stocks that can be borrowed), and is not fixed. The delivery company usually decides according to the market maker who lent the stock, according to the market borrowing demand and inventory of the stock, so the interest of securities lending varies from day to day, and some will have no interest.

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