US economic war against Iran shakes the global commodities market

The escalation of global geopolitical tensions has entered a new chapter with Washington's announcement of an unprecedented trade and financial offensive against Iran, threatening severe sanctions against any nation or company maintaining commercial ties with Tehran. This move occurs in a scenario where the Brazilian exchange rate already demonstrates external sensitivity, reflected in the commercial dollar trading at R$ 5.17, presenting a positive variation of 1.47% over a 7-day window, although accumulating a 0.63% decline over a 30-day horizon. For the Commodities and energy market, the attempt to stifle one of the Middle East's largest oil producers generates an environment of immediate uncertainty regarding supply routes and international price formation. While analysts monitor diplomatic developments, the domestic and international macroeconomic scenario moves under the weight of persistent fiscal imbalances, reminiscent of the recent pressure generated by the US public debt, which reached the mark of US$ 40 trillion. This high sovereign debt background reduces governments' room for maneuver and fuels volatility in foreign exchange and energy markets. In local FX, the US currency fluctuated from a base of approximately R$ 5.09 a week ago to the current level of R$ 5.17, highlighting how external shocks quickly find resonance in emerging economies integrated into global trade. This geopolitical crisis directly dialogues with the portal's recent news archive, marking the fourth negative-toned approach on global systemic risks this week, adding to episodes of consumption fragility, US indebtedness, and turmoil in the Asian real estate market. From the perspective of the value and margin of safety tradition inspired by the investment school of Benjamin Graham and Warren Buffett, moments of extreme geopolitical noise demand redoubled caution, avoiding the hasty purchase of cyclical assets without a substantial discount in price. The value-focused investor understands that headline noise frequently distracts the market, but the long-term fundamentals of the underlying assets remain the true anchor for capital preservation. The practical effectiveness of a total economic embargo against Iran is questioned by international trade experts, given that the country maintains a diversified export network that surpassed partners in 147 markets in 2022, notably China, destination of US$ 22 billion in Iranian shipments, and India. The imposition of rigorous secondary barriers, such as the 25% tariff previously floated by the US administration, creates a ripple effect in global supply chains that could drive up maritime freight and raise industrial costs globally. With Brazilian inflation measured by the IPCA accumulated at 4.44% over the last 12 months, any additional shock in international energy and derivative quotes indirectly reflects on the internal cost chain, even though the inflation indicator comes from a cooling trajectory compared to the 4.64% recorded thirty days prior. Looking at the 30, 90, and 180-day time horizon, the probability of marked volatility in commodities markets is considered high, with direct reflections on the risk premium demanded by investors in assets from emerging countries.