Qual é a taxa diária de câmbio de Bitcoin?

Could you please clarify what you mean by "taxa diária de câmbio de Bitcoin"? Are you asking about the daily fluctuation or change in the exchange rate of Bitcoin compared to other currencies, such as the US dollar or the euro? If so, the daily exchange rate of Bitcoin can vary significantly, depending on various factors including market demand, supply, and news events. It's important to note that Bitcoin is a highly volatile asset, so its exchange rate can change rapidly and unpredictably. To stay up-to-date on the latest Bitcoin exchange rates, you may want to consider using a cryptocurrency exchange or a financial news website that provides real-time updates.