The exchange rate between the US dollar and the Nigerian naira is constantly fluctuating. To determine how much a 500 USD Xbox Live gift card is worth in naira today, one needs to check the current exchange rate.

Exchange rates are influenced by various factors such as economic conditions, market demand, and central bank policies. These fluctuations can cause the value of the conversion to vary significantly from day to day.
To find the exact amount, it is advisable to look at reliable financial news sources, currency exchange platforms, or consult a local bank or financial institution. They can provide the most up-to-date and accurate conversion rate, enabling you to calculate precisely how much the 500 USD gift card would be in Nigerian naira at the present moment.