How does bitcoin price change?

I'm curious about the intricacies of Bitcoin pricing. Could you elaborate on how Bitcoin's price fluctuates? What factors typically influence its upward or downward movements? Is it simply supply and demand, or do external factors like market sentiment, regulatory changes, and technological advancements also play a role? How do investors keep track of these developments and predict price trends? Is there a reliable way to forecast Bitcoin's future price movements, or is it purely speculative? I'm eager to gain a deeper understanding of the dynamics behind Bitcoin pricing.