Commerzbank analysts say the Mexican peso may beat Brazil’s real, which faces greater downside risks

    by VT Markets
    /
    Mar 18, 2026
    Commerzbank analysts say the Brazilian real, after strong gains against the US dollar, has more downside risk than the Mexican peso. They link this to differences in expected monetary policy, growth prospects, and political uncertainty. They expect Banco Central do Brasil (BCB) to cut rates by well over 100 basis points this year, starting a rate-cut cycle. They expect Banco de México (Banxico) to deliver only two to three cuts, with its easing phase close to ending. They state that this would narrow the interest rate gap in a way that could weigh on the real. They also note that earlier steep rate rises were aimed at cooling the economy, and that conditions now increase the chance of BCB cuts. They point to softer growth in Brazil, election-related uncertainty, and possible challenges to central bank independence as added risks for the real. For Mexico, they cite the chance of support for the peso if a favourable USMCA outcome includes an extension. The article notes it was produced using an AI tool and checked by an editor. Looking back from our current position in March 2026, the divergence we anticipated in 2025 between the Mexican peso and the Brazilian real largely materialized. The peso’s strength was a key theme, driven by a cautious central bank and strong investment flows. The real, on the other hand, faced predictable headwinds from an aggressive rate-cutting cycle that began last year. The Banco Central do Brasil has continued its easing policy, with the Selic rate now at 9.25%, a significant drop from its 2025 peak. With recent data showing annual inflation ticking up slightly to 4.5%, the interest rate advantage that once supported the real has clearly diminished. This environment suggests considering strategies that benefit from a stable to weaker real, such as selling out-of-the-money call options on BRL futures. In contrast, Banxico has been far more measured, with its policy rate holding at 10.75% as core inflation remains a concern above their target. This attractive yield differential continues to support the peso, a trend that has persisted since early last year. The upcoming USMCA review in July also presents a potential upside catalyst, making long peso positions against the real attractive. The diverging monetary policies create a clear relative value opportunity, and we see merit in positioning for a higher MXN/BRL cross-rate through derivatives. A three-month forward contract could capture the ongoing yield difference between the two currencies. Options spreads can also offer a defined-risk way to bet on continued peso outperformance in the coming weeks. Brazil’s softer economic growth, with 2026 GDP forecasts revised down to 1.8%, combined with ongoing fiscal policy uncertainty, adds another layer of risk to the real. Conversely, Mexico is still benefiting from the nearshoring trend, with foreign direct investment in its manufacturing sector having increased by 9% year-over-year in the last quarter of 2025. This fundamental economic divergence further supports a bearish view on the BRL relative to the MXN.

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