The calculation method of CSI 300 is as follows: 3000 (current market point) *300 (contract multiplier) * 10% (margin ratio) =90000. 90 thousand yuan is the theoretical deposit you need for trading, 65,438+00% is the exchange deposit, and half of the futures companies will charge higher fees, but you can apply for the exchange deposit.
There are many reasons for the recent adjustment, such as the deviation between the stock index and the stock market, malicious short selling of fund-raising funds, market confusion and so on.
, clean up capital allocation, etc.
Adjusted * * * five times (the following is the adjustment range of the margin ratio of the exchange):
From the settlement on August 26th, it will be adjusted from 10% to12%;
From the settlement on August 27th, it will be adjusted from 12% to15%;
From the settlement on August 28th, it will be adjusted from 15% to 20%;
From August 3 1, the settlement will be adjusted from 20% to 30%;
From the time of settlement on September 7, it will be adjusted from 30% to 40%.
Has continued to this day. ....