1, (back calculation) If A is going to explode, the risk rate of Tiantong Bank of A will reach 50%. According to the calculation formula of risk rate, 50%= net value/position margin; Margin for holding positions =5000 yuan/kg *15kg/hand *2 hands *8%= 12000 yuan.
2. Substitute into the formula: 50%= net value/12000 yuan, so the net value =6000 yuan, that is, when the net value of A's account is 6000 yuan, the system will forcibly close A's position, which is often called short position.
3. Then the biggest loss suffered by A is 6.5438+10,000 yuan-6,000 yuan = 94,000 yuan.
4. The fluctuation of each hand is 15 yuan, so the fluctuation of the second hand is 30 yuan, that is, the maximum number of points that A can resist = 94,000 yuan /30 yuan =3 133 yuan.
Extended data:
1. Foreign exchange explosion:
Short position in foreign exchange trading refers to the situation that the customer's rights and interests in the investor's margin account are negative under some special circumstances. When the market changes greatly, if most of the funds in the investor's margin account are occupied by the trading margin, the trading direction is opposite to the market trend.
Due to the leverage effect of margin financing and securities lending, it is easy to explode. If short positions lead to losses, and they are caused by investors, investors need to make up for the losses, otherwise they will face legal recourse.
Second, avoid explosion:
When there is a short position, investors need to make up the deficit, otherwise they will face legal recourse. In order to avoid this situation, it is necessary to control positions specially and avoid Man Cang operation like stock trading. And track the market in time, and you can't buy it like a stock market.
Baidu encyclopedia-baocang