Mexico's central bank sold an additional US$200 million of US$200 million offered in a second auction on Friday as the peso hit a fresh record low on falling oil prices.
The central bank sold the dollars at an average weighted price of 18.1880 pesos per dollar, bringing the total auctioned to US$400 million on Friday.
The supplemental auction is triggered when the currency is trading 1.5 percent weaker than its fix rate in the previous session.
The peso weakened to 18.2050 per dollar on Friday morning.