How to deduce the continuous closing price of beans in Boyi master futures software? It takes at least three years of data.
It is impossible for a software to keep data for three years. You can see it on the technical drawing when you are online, but the data of three years cannot be exported. You need three years' data to go to the website of Dalian Commodity Exchange, find the historical data of the required beans in the market/data section, and download it.