The financing rate is 8.35%, and the securities lending rate is 9.35%. The default financing rate in the market is 8.35%, the short interest rate is 9.35%, and the brokerage financing rate is generally 6%. Financing interest rate: most brokers default to 8.35%. You can communicate with the account manager of the brokerage firm and ask for a lower interest rate. As a warning, most brokers can only talk in the range of 4%-5%. Margin ratio: the overall cost of margin trading is higher than financing, which is a risky business for brokers. Brokers with more securities sources have limited securities sources. The overall cost of securities lending is between 6%- 10%. After all, the cost is high and the sources of securities are rare, which can be divided into self-owned securities sources and external securities sources. Financing interest = financing amount × financing interest rate (annual interest rate) × actual financing days /360. Take the financing interest rate of 5% as an example: financing interest 1 day =100000× 5 %×1/360 =13.80. Margin interest rate = margin selling price × margin quantity× margin interest rate (annual interest rate) × actual margin days /360.