That is to say, investors who have no positions judge that the market will fall and sell their positions.

2. Open more: open more new positions.

Investors who do not hold positions judge that the market has risen and bought positions.

3, double opening: long short positions open new positions at the same time.

4, double flat: long short positions at the same time flat old positions.

5. Empty warehouse exchange: an empty warehouse opens a new warehouse, and the new warehouse corresponds to an empty warehouse.

Buy, close and leave for investors who originally held empty orders, and sell and open positions for new investors.

Deal at the same price.

6. Multiple changes: multiple warehouses open new warehouses, and the new warehouses correspond to multiple levels.

For investors who originally held multiple orders, they sold their positions, and at the same time, new investors bought and opened positions and traded at the same price.

Extended data

Buying bulls (bulls) and selling bears (bulls) means that one person gives up one hand and is bought by another. When selling an open position (short position) and buying a closed position (short position), it means that one person gives up his empty hand and another person takes over.

As a part of the position analysis index, changing hands mainly analyzes the reliability of the current price trend by using the principle of price analysis. Because changing hands affects the change of trading volume, it does not affect the change of positions. Therefore, this index is introduced when studying the position changes of stock index futures.

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