As an AI language model, I do not have access to real-time information and cannot provide an up-to-date answer to this question. However, I can provide an overview of how the exchange rate between Bitcoin and the US dollar is determined and why it is subject to constant fluctuations.
Bitcoin is a decentralized digital currency that operates on a peer-to-peer network. It is not backed by any physical commodity or government, and its value is determined by supply and demand on various exchanges. The exchange rate between Bitcoin and the US dollar is typically determined by the market forces of supply and demand.
The demand for Bitcoin is driven by several factors, including the increasing adoption of cryptocurrency by individuals and businesses, the potential for Bitcoin to serve as a hedge against inflation, and the growing interest from institutional investors. On the other hand, the supply of Bitcoin is fixed at 21 million, which means that the price of Bitcoin is subject to significant fluctuations based on changes in demand.
One of the most significant factors influencing the exchange rate between Bitcoin and the US dollar is investor sentiment. When investors perceive Bitcoin as a valuable asset, they are willing to pay more for it, which drives up its price. Conversely, when investors are bearish on Bitcoin, they are likely to sell their holdings, which can lead to a drop in its price.
Another factor that can affect the exchange rate is regulatory action. If governments or regulatory bodies take actions that are perceived as negative for the cryptocurrency market, such as banning Bitcoin exchanges, the price of Bitcoin may decline.
Overall, the exchange rate between Bitcoin and the US dollar is subject to constant fluctuations. As of writing this article, the current rate of Bitcoin per dollar is not available. However, it is important to keep in mind that the price of Bitcoin can change rapidly, and investors should be aware of the risks associated with investing in cryptocurrency.
In conclusion, the exchange rate between Bitcoin and the US dollar is determined by market forces of supply and demand, which are subject to constant fluctuations. The demand for Bitcoin is driven by factors such as investor sentiment, adoption by individuals and businesses, and interest from institutional investors. The supply of Bitcoin is fixed at 21 million, which means that changes in demand have a significant impact on its price. While the current rate of Bitcoin per dollar is not available as an AI language model, it is important for investors to be aware of the risks associated with investing in cryptocurrency.