The value of an Xbox Live gift card worth 500 in Naira can vary depending on several factors. Exchange rates play a significant role. At a given time, the exchange rate between the currency used to determine the card's value and the Nigerian Naira will dictate how much it is worth in Naira.

Retailers may also have their own pricing strategies. Some might offer it at a rate close to the market exchange value, while others could potentially charge a premium or offer it at a discounted rate. This could be due to various reasons such as their own costs, marketing tactics, or availability in the local market.
To accurately determine how much an Xbox Live gift card 500 is in Naira, it is advisable to check with local gaming stores, online marketplaces that deal with such gift cards, or even currency exchange platforms. By comparing the prices offered at different sources, one can get a better idea of the current value in the Nigerian currency.