US Dollar vs Japanese Yen is a forex trading asset that represents the exchange rate between the United States Dollar (USD) and the Japanese Yen (JPY). This currency pair is one of the most actively traded in the forex market, reflecting the economic relationship between the two countries. The USD is the world's primary reserve currency and is widely used in international trade, while the JPY is the currency of Japan, a major global economic power. Traders can speculate on the fluctuations in the exchange rate between these two currencies, taking advantage of the economic and geopolitical factors that influence their value.