Internet reports that Matrixport released today's chart. Although the market has long generally expected Trump's tariff policy, it is still surprised. This may be because last week's market focus was mainly on DeepSeek rather than Trump's policies. More importantly, however, retail investors were under-engaged in this market correction. As tariff uncertainty continues in the next few days, this uncertainty is affecting current market adjustments. A simple and effective way to determine whether Bitcoin is still in a bull market is to look at the 21-week moving average, which has historically been regarded as an important indicator of broad market trends. As long as Bitcoin remains above this level, the bull market will still exist. But if this level falls below, traders should adopt risk management strategies.