A strong international financial instrument, the Mexican peso has been made possible by three key catalysts that have contributed to the currency's liquidity. Mexican interest rates are often higher than those in the United States, which may entice investors to invest in Mexican government bonds that pay higher interest rates. Currency pairs that are ideal for day traders include EUR/USD and GBP/USD. The Euro Mexican Peso is a highly volatile currency pair, but it isn't the most volatile currency pair out there, which may explain its low popularity.