What is the current value of a bitcoin bought on 7/13/2021

To determine the current value of a Bitcoin purchased on July 13, 2021, you would need to find the price of Bitcoin at that date and then compare it to its current price. Unfortunately, I cannot provide real-time data or current prices as of October 2023. As of my last knowledge update, Bitcoin's price was quite volatile, and it would have fluctuated significantly since July 2021. As of July 13, 2021, Bitcoin was around $33,000 to $34,000. To find the current value, please check a reliable financial news source, cryptocurrency exchange, or market tracking website for the latest Bitcoin price.