# Banco de México international reserves trends

> Live situation record from CLSTR: https://clstr.news/situations/banco-de-mxico-international-reserves-trends
> Updated: 2026-09-15T20:45:31.000Z. Sources: 6. Developments: 2.

The Banco de México has seen fluctuations in its international reserves throughout late 2026. In mid-August, reserves reached $257.417 billion, following a $329 million weekly increase driven by asset valuation fluctuations. During this period, the monetary base experienced a weekly reduction of 1.684 billion pesos.

By mid-September, international reserves were reported at $257.554 billion. Although this reflected a weekly decrease of $481 million due to asset valuation changes, the total reserves showed a cumulative growth of $5.679 billion since the end of 2025. Unlike the August report, the monetary base increased by approximately 13,918 million pesos during the September reporting period, reaching 3.53 trillion pesos.

## Timeline

### 2026-09-15: Banco de México international reserves fall to $257.5 billion

Mexico's central bank reported a weekly $481 million drop in international reserves to $257.55 billion, driven by asset revaluation, while maintaining year-to-date growth.

6 sources. https://clstr.news/cluster/banco-de-mxico-international-reserves-fall-to-2575-billion

### 2026-08-18: Banco de México increases international reserves to $257 billion

The Bank of Mexico's international reserves rose by $329 million to reach $257.417 billion, driven by asset valuation changes, despite a weekly reduction in the national monetary base.

3 sources. https://clstr.news/cluster/banco-de-mxico-increases-international-reserves-to-257-billion

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Cite as: Banco de México international reserves trends. CLSTR, https://clstr.news/situations/banco-de-mxico-international-reserves-trends