The price of Bitcoin is affected by many factors. The most important and common factor that affects the price of all the things is its demand and supply. The increase in demand will increase the price of Bitcoin and the limits supply also increases the price of Bitcoin. The second factor is the type of news about Bitcoin. The negative news about it will decrease its price as many investors will start selling it and vice-versa
This is the normal explanation about what affect the bitcoin price but there are some factors are the reason for the change in demand and supply like the manipulation from the whales which is the most affected thing with the bitcoin price and also the many newbies investors just bumping and dumping the coin who never cares about the technology behind the bitcoin.