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The first method: Buy if the low point is not broken
Condition 1: The K-line is in an upward trend.
Condition 2: After the market opens, the market has completed the previous shock, short-term profit-taking has been done, and the short-selling pressure has weakened.
Condition 3: The intraday line gradually flattens out and a relatively flat point A is formed. Wait for point B. If point A is not broken, buy as soon as the intraday line rises.
Note ①: There are many short-term traders waiting during the trading session. Once point B arrives, short positions are closed and long positions are opened immediately in large numbers, and an upward wave is formed.

The second method: buy quickly when the price drops sharply, and buy slowly when the price drops slowly
Condition 1: On the 3, 5, and 15 minute charts, the K-line shows an upward trend.