This article analyzes the price cycles and pullbacks in Bitcoin's history, finding that after peaking during halving rewards, there were substantial long-term pullbacks. Currently, Bitcoin is in a new upward cycle, but the pullback is still uncertain. Investors should be prepared for regular pullbacks exceeding 10%. Bitcoin reached its peak in November 2017 and 2021, but the pullback exceeded 10%. The current cycle began in November 2022 and has experienced 5 major pullbacks exceeding 10%. Due to the outflow of ETF funds, Bitcoin fell by 5.8% this week. Important news includes BlackRock and Standard Chartered raising their year-end bitcoin forecasts, the SEC investigating crypto companies in Ethereum, and BlackRock launching its first tokenized fund on the Ethereum network. Upcoming events include the CME expiration on March 29th and the Bitcoin block reward halving on April 21st.