The fluctuation nature and forecasting model of Baltic freight index(BFI)are researched. Firstly the power function model is proved to match the long-term fluctuation of BFI through analysis of the tendency.

• 以波罗的海国际干散货运价指数(BFI)为研究对象,分析其长期趋势性波动规律,得到BFI的长期波动服从幂函数模型。