This is because of the fund's shareholding restrictions.
According to Article 3 of the Measures for the Administration of Fund Operation, the shareholding shall not exceed 65,438+00% of the securities, so there will be situations where everyone holds the same shares.
Position limit:
Position limit system In order to prevent market manipulation and excessive concentration of risks of a few investors, the exchange limits the number of contracts held by members and customers, which is the position limit system. The number of limited positions refers to the maximum number that a clearing member or investor can hold in a contract calculated unilaterally according to the provisions of the exchange. Once the total number of positions held by members or customers exceeds this amount, the exchange may forcibly close the position or increase the margin ratio according to regulations.