Although domestic investors are focusing on chinese stock market, which opened today, as external observers and traders, we are always paying attention to the changes in the futures market. During the National Day holiday, the performance of crude oil was remarkable, but it was expected. Relatively speaking, the rise of the U.S. dollar index, which had been falling before, after the interest rate cut is also worthy of attention.We have talked about the logic of the rebound of the US dollar before the interest rate decision. A very important point is that in the latest round of interest rate hike-interest rate cut cycle, the foreign exchange market reflects the trend of expected rise/fall and reverse operation after landing. The fact that the Federal Reserve raises interest rates ahead of t