Sometimes the effect of the previous secondary high point as a support level is better than the effect of the previous secondary low point as a resistance level, compared to the previous high or low points as support or resistance levels.
Many times, the previous high or low points are just false breakouts or false breakdowns, and what really provides effective support or resistance to the market is often the previous secondary high and low points.
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The first circle is the previous secondary low point, where the low point is at 536. This low point is actually a false breakdown during a decline, and what can truly provide support for the market is still the secondary low point at the first circle. Many investors see the price start to rise and wait for the price to pull back to the previous low of 536 before entering a long position, but often the price does not wait to pull back to the previous low of 536 before turning upwards, causing investors to miss the opportunity to go long without knowing the reason. Therefore, when the price rises and pulls back to near the secondary low point and finds support, we can enter a long position.