Weekly level double gold is the significance of margin financing and securities lending according to the rebound strength of K line in one week. The weekly line is the K line of the week, with the opening price on Monday as the opening price and the closing price on Friday as the closing price. Level means the strength of a wave of rebound. Double gold is margin financing and securities lending. Therefore, the weekly level of double gold is based on the strength of a week's K-line rebound to see the significance of margin financing and securities lending.