Bottom low breakthrough refers to the price of some assets (such as stocks and futures). ) has been at a low level before, and suddenly rose after a period of time. This phenomenon usually occurs when asset prices are low or market sentiment is weak. The breakthrough of the bottom low point may be regarded as a reversal signal of the market, because it indicates that market sentiment may begin to improve and asset prices may begin to rise. However, the breakthrough of the bottom low point is not an absolutely reliable signal, and sometimes false signals appear in the market, so investors should be cautious when making decisions.