Can you use the Big Mac Index to determine whether a currency's purchasing power is under or overvalued compar

What do you want to explain? Hehe~ The original Big Mac Index is a way to compare the value of McDonald's Big Mac when converted to another country's currency. Of course, this can be said to be an indicator of the purchasing power of a currency. It's not accurate, nyan~~ That's why you can't know for sure whether the actual international exchange rate is undervalued or overvalued based on this alone. Nyan~ To put it simply, you can only check by considering various factors. Nyan~~