No, power brokers only need to find users in the market, and the company is responsible for trading, training, settlement and marketing system support. Cutting leeks means that institutions, funds and large households sell stocks, which leads to the stock market (or individual stocks) plummeting, ushering in new opportunities to open positions, and then re-opening positions at a low level. The band operation and profit of this cycle are not within the scope of general leek cutting, so the brokers selling electricity are not cutting leeks.