Mexican peso Mexican peso The Mexican peso (sign: $; code: MXN) is the currency of Mexico. Modern peso and dollar currencies have a common origin in the 15th–19th century-Spanish dollar, most continuing to use its sign, "$". The Mexican peso is the 10th most traded currency in the world, the third most traded currency from America (after the United States dollar and Canadian dollar), and the most traded currency from Latin America. The current ISO 4217 code for the peso is "MXN"; prior to the 1993 revaluation (see below), the code "MXP" was used. The peso is subdivided into 100 "centavos", represented
Cross of Gold speech caused by the Napoleonic Wars caused United States gold coins to be worth more as bullion than as money, and they vanished from circulation. Governmental response to this shortage was hampered by the fact that officials did not clearly understand what had happened. In 1830, Treasury Secretary Samuel D. Ingham proposed adjusting the ratio between gold and silver in US currency to 15.8:1, which had for some time been the ratio in Europe. It was not until 1834 that Congress acted, changing the gold/silver ratio to 16.002:1. This was close enough to the market value to make it uneconomic to