How much is a coin of bitcoin?

I understand that you're asking about the current value of a Bitcoin. It's important to note that the price of Bitcoin is highly volatile and can fluctuate greatly over short periods of time. The value of a Bitcoin can be influenced by a variety of factors, including market sentiment, regulatory changes, and economic conditions. To get an accurate and up-to-date answer to your question, I recommend checking a reputable cryptocurrency exchange or price aggregator website, such as Coinbase, Binance, or CoinMarketCap. These platforms provide real-time pricing information for Bitcoin and other cryptocurrencies, allowing you to see the current market value of a single Bitcoin. It's also worth noting that the price of Bitcoin is often quoted in US dollars, but you can also find prices in other currencies, depending on the platform you're using. Keep in mind that prices can vary slightly between different exchanges and platforms, so it's a good idea to compare prices across multiple sources before making a decision.