[REVISION HISTORY]

Ibovespa volatility amid US-Iran tensions and oil surge

Updated 28 times since CLSTR started tracking revisions of this situation.

What changed

2026-09-11 11:13 UTC → 2026-09-11 11:17 UTC · added ~~removed~~

The Ibovespa index remains under pressure, with the mini index falling 0.8% as it operates below key moving averages. Analysts at BTG Pactual suggest that if the index fails to recover the 188,300 level, a deeper correction toward 186,000 points may occur, despite an overall upward long-term trend. In the currency market, the Brazilian mini dollar closed up 0.26% at 5,127.5 points, while the spot dollar rose 0.44% to R$ 5.114. This movement is linked to international tensions between the United States and Iran, rising U.S. Treasury yields, and a negative exchange flow of US$ 6.693 billion. ~~Domestic investors are also monitoring the Brazilian Supreme Federal Court (STF) and the upcoming electoral scenario.~~ Geopolitical instability in the Middle East continues to drive energy market volatility. Brent crude has approached $110 per barrel following reports of the U.S. striking five Iranian oil tankers and Iran claiming attacks on ten vessels near the Strait of Hormuz. Maritime security risks have escalated due to Houthi control of the Yemeni port of Mocha, threatening the Bab el-Mandeb Strait. These disruptions have contributed to an energy crisis in the United States, where diesel prices have exceeded $6 per gallon for the first time. Global inflationary concerns persist, supported by the U.S. Producer Price Index rising 5.4% annually in ~~August, which continues~~ August. As of September 10, vessel traffic through the Strait of Hormuz has significantly declined, falling to ~~influence~~ just seven vessels compared to a previous average of 15, raising fears of long-term supply disruptions. Consequently, global ~~stock market volatility~~ oil prices have surged, with Brent crude approaching $110 and ~~Treasury yields.~~ WTI exceeding $103. These shifts have placed downward pressure on Wall Street and European exchanges due to rising energy costs and heightened risk aversion.

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