When an emerging cryptocurrency project announces cooperation with a well - known traditional financial institution, the market's price expectation for the project's cryptocurrency is likely to increase. Before the release of the cooperation news, if the market depth is shallow and the order book shows a small number of buy and sell orders, the price may be more volatile. After the news release, if the market depth increases significantly and the buy orders in the order book outnumber the sell orders, it indicates that the market has a positive attitude