📊 B3 Market Close & Quantitative Market Gamma (GEX) Mapping — 14/09/2026

Executive Market Summary

The Brazilian stock exchange (B3) concluded the trading session on September 14, 2026, with a notable downturn, reflecting broader market cautiousness. The Ibovespa index (IBOV) registered a closing value of 185,500.88 points, marking a -0.91% decline from its previous close of 187,206.89 points. This movement suggests a period of consolidation or profit-taking after recent market dynamics.

The USD/BRL currency pair exhibited slight appreciation for the Real, closing at R$ 5.1435, with a marginal -0.05% variation. This stability in the FX market provided a minor counterweight to the equity market's decline.

Regarding the interest rate curve and Selic, while specific daily data for the curve's movements or the Selic rate was not provided in the official data for this report, the market continues to price in expectations around future monetary policy, influencing investor sentiment and capital allocation decisions across asset classes.

Key corporate leaders experienced varied performance:

• Petrobras (PETR4) closed at R$ 48.92, down -0.16%, showing relative resilience amidst the broader market dip.
• Vale (VALE3) faced significant pressure, closing at **