Answer: C

When comparing the size of major long and short positions, the difference between the total long and short positions of the top 20 positions (ie, the net position) is generally used to compare the long and short positions. Strength analysis.

If the number of long positions in the top few (for example, the top 20) of a certain futures contract is much greater than the number of short positions, it means that the long orders of this contract are in the hands of the main players, while the short orders are mostly distributed in the hands of retail investors; vice versa: