1. The volume of transactions and open contracts has increased, and the price has risen, indicating that new buyers are making a large number of acquisitions, and the price may continue to rise in the near future.
2. The volume of transactions and open contracts has decreased, and the price has risen, indicating that a large number of short positions have been closed, and the price will go up in the short term, but it may fall back soon.
3. With the increase of trading volume, the price rises, but the amount of open contracts decreases, indicating that both short sellers and short sellers are closing their positions in large quantities, and the price will fall immediately.