国外有网站
有空柜指数
可分港口分析
https://container-xchange.com/features/cax/
有高人有研究吗
Container Availability Index (CAx), which forecasts supply and demand in container logistics for most of the biggest port locations for the coming three weeks. The index works whereby above 0.5 indicates a surplus and below 0.5 indicates a deficit of containers.