At half-day the dollar sold at major banks in Mexico City at 18.33 pesos per unit, just one cent below the peak of the previous Wednesday.
Meanwhile the purchase fell between 16.95 and 17.86 pesos per greenback.
Furthermore, the euro sat at the interbank price of 19.816 pesos, and the yen reached a price of 0.16 pesos.
While the interbank dollar stands at 17.82 pesos, according to Banamex, it had fallen below that level at the close of the previous day.
The Mexican Stock Exchange (BMV) remained in positive territory with a 0.08 percent advance at mid-day Thursday.
The rise of stock values meant an increase of just 35.5 points for the IPC index, which arrived at 44,651.25 around noon.
In contrast to the domestic stock market, Wall Street operated in the red as the Dow Jones fell 0.06 percent, or 888.94 points, settling at 16,000.
The Nasdaq and S&P 500 fell as well, 0.21 and 0.01 percent, respectively.