The inner disk is twice as large as the outer disk, which refers to the stock situation. The inner disk of the stock is twice as big as the outer disk, which is easy to cause the stock price to fall.
The inner disk and the outer disk determine the fluctuation of stock price. When the seller takes the initiative to place an order and sells the stock at a price lower than or equal to the current price of buy one, buy two and buy three, the stock price will fall.