1The opening of the index on that day was lower than the previous closing. In the process of climbing up, there will be resistance here, because after a night of thinking, both the long and short sides have reached a consensus on the previous closing price. When the day opens, there will be previous closing prices participating in bidding trading. If the index opens low, it indicates strong selling intention. During the rebound of the index, on the one hand, it will be hit by new selling at any time, and on the other hand, as it approaches the previous closing, the accumulated selling in the morning will take effect, making it easy for bulls to pass this hurdle.
2After the opening of the day, it fell. Due to the accumulation of a large amount of selling at the opening price during bidding, there will be resistance when rebounding back to this point.
3The reason for the formation of the previous high is because there is a clear backlog of selling here. When the index encounters resistance and falls again, once it approaches the previous high, new short selling forces will intervene, and bulls will become cautious. A clear pattern is formed on the trend chartMHead shape, and most of the time the high point on the right will be lower than the high point on the left.
4Due to people's psychological influence, some integer values often become important obstacles when rising.
1If the price rises after the opening and falls back to the opening price, the support will be stronger due to more buying sedimentation.
2If the index falls from a high point in the previous closing, the support at the previous closing is also strong.
3Front low point. The low point area formed last time usually becomes people's psychological support, and its principle is the same as the resistance area.
4The previous high point had significant resistance, but once it is effectively crossed, there is usually support when it falls again due to the accumulation of buying demand.