The nominal amount of SNDK and other US stock contracts has changed, and some positions are approaching key price levels

From the close of last Friday's US stock market to the morning of September 28th, the nominal amounts of open contracts for SNDK, MU, and XYZ100 decreased by approximately 4.6%, 4.9%, and 5.0%, respectively; SKHX, SKHY, and SP500 increased by approximately 2.0%, 0.7%, and 3.0%, respectively. At present, four groups of large new orders worth tens of millions of dollars have been placed, and some of the existing positions are close to the critical price range and clearing line in the cost zone.