The exchange rate between the US dollar and the Nigerian naira is constantly fluctuating. To determine how much 500 dollars in Amazon 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 forces, and central bank policies. Financial institutions and currency exchange platforms usually provide the most up-to-date rates.

By looking up the prevailing exchange rate and multiplying it by 500, one can accurately find out the equivalent amount in naira for a 500-dollar Amazon gift card at present. This value will change over time as the exchange rate moves.