(1) The average daily assets of the securities account and capital account in the 20 trading days before the opening of the application authority shall not be less than 500,000 yuan (excluding the funds and securities that investors integrate through margin financing and securities lending);
(2) Having participated in securities trading for more than 24 months.
(3) Other conditions stipulated by this Exchange.
That is to say, if you want to open science and technology innovation board, your daily average self-owned assets (stock market value+cash) in the fund account of this brokerage firm should not be less than RMB 500,000 in the 20 trading days before you apply, and it can be traced back to your account opening date.
It's been 24 months.