Based on the searched information, the price of Bitcoin today (1/12/2025) has seen a significant fall, with a decrease of over 4% at times within 24 hours.

Analysts and market experts are pointing out several key reasons behind this downturn, usually a combination of macroeconomic factors and market technicals:
1. Yếu Tố Vĩ Mô (Macroeconomic Headwinds)
• Risk-off Sentiment (: Bitcoin often moves in tandem with technology stocks and other risk assets. Concerns about the global macro environment, especially information regarding monetary policy ) such as the Federal Reserve - Fed ( or geopolitical issues, can decrease investors' risk appetite, causing them to withdraw capital from assets like Bitcoin.
• The Fed's unclear monetary policy: Uncertainty about whether the Fed will cut interest rates or the pace of cuts has put pressure on market sentiment, as Bitcoin tends to perform better when interest rates are low.
• Actions from regulatory agencies: The People's Bank of China reaffirming the ban on cryptocurrency and warning that it will intensify the crackdown on stablecoins has created a negative sentiment across the crypto market.
• Macroeconomic data: Some economic data such as the increase in the number of unemployment claims in the US may affect expectations about Fed policy, indirectly influencing the price of Bitcoin.
2. Technical and Market Factors )Technical and Market Factors(
• Broad Market Sell-off ): The decline of Bitcoin occurs against the backdrop of a widespread sell-off in the entire cryptocurrency market, with altcoins like Ethereum, Solana...( also experiencing significant sell-offs.
• Liquidation of leveraged positions )Leverage Flush-out/Liquidations(: The sharp price fall has triggered mass liquidations of long positions )leveraged, with over 300 million USD of long positions wiped out within a few hours. This creates additional selling pressure, pushing the price down further.
• Breaking important technical support levels: The price of Bitcoin sliding below key technical support levels, for example, near $89,500, has driven the decline, causing traders to shift to a bearish sentiment.
• Profit-taking from long-term investors: After reaching a peak of (, for example, exceeding $126,000 last month ), some long-term Bitcoin holders have taken profits, creating selling pressure.
In summary, the fall of Bitcoin today seems to be the result of a large leverage flush-out ( combined with a risk-averse sentiment due to negative macro factors ) such as the actions of the People's Bank of China ( and uncertainty about monetary policy.