Mexican Peso Strengthens as Moody’s Downgrade Weakens the US Dollar
By Tredu.com • 5/19/2025
Tredu

Mexican Peso Strengthens as Moody’s Downgrade Weakens the US Dollar
The Mexican Peso (MXN) has strengthened against the US Dollar (USD) following Moody’s decision to downgrade the US credit rating from AAA to AA1. This downgrade has caused the US Dollar to come under pressure, as markets reevaluate the fiscal health of the United States.
The USD/MXN currency pair is trading below the key psychological resistance level of 19.50, with MXN benefitting from the weakness of the Greenback. However, despite the Mexican Peso's rise against the USD, the overall market sentiment remains risk-off, with the MXN losing ground to other major currencies such as the Euro (EUR), Pound Sterling (GBP), and Australian Dollar (AUD).
The US Dollar continues to hold its position as a global reserve currency and a safe-haven asset, but increasing concerns over trade tensions, tariff uncertainties, and deteriorating fiscal expectations are weighing on investor sentiment. Furthermore, structural challenges such as ballooning US debt and sluggish growth prospects are reducing expectations for further interest rate hikes, contributing to the Greenback's broader weakness.
As of writing, the USD/MXN is trading around 19.43, reflecting a 0.12% loss for the day. The 19.50 level, which was previously a support zone, is now acting as resistance. Market participants are keen to see whether the Mexican Peso can maintain its gains in the coming days, with a keen eye on the Federal Reserve’s decision on interest rates next Monday.
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