Foreign investors injected a record net 10.06 billion reais ($2.01 billion) into Brazilian stocks listed on the São Paulo exchange on Oct. 5, according to B3 SA data. The single-day inflow came immediately after Senator Flavio Bolsonaro captured 47 percent of the presidential vote, narrowly exceeding incumbent Luiz Inacio Lula da Silva's 45 percent and forcing an Oct. 25 runoff.
The market reaction was substantial. The Ibovespa climbed 8.8 percent to a record 209,566 points, while the Brazilian real strengthened against the U.S. dollar. Individual stocks posted gains as high as 20 percent. Jerson Zanlorenzi, head of equities and derivatives at BTG Pactual, said investors view Bolsonaro as "more aligned with Brazil's economic and fiscal needs."
The flow reflects a compressed valuation in Brazilian equities. Zanlorenzi noted that "Brazilian equities were already very cheap and almost nobody had a position" before the election. Valuations had lagged corporate earnings for four to five years, depressed by Brazil's 13.75 percent benchmark interest rate—among the world's highest—and subdued foreign inflows under Lula's third term.
Bolsonaro's campaign centers on fiscal austerity to address rising public debt and reduce state spending. His party also gained congressional seats, which Zanlorenzi said would provide "the necessary quorum to pass the major reforms Brazil needs" if Bolsonaro wins the runoff. The prospect of policy implementation materially shifts investor positioning from a "show me" stance to accumulation.
Countervailing data muddies the narrative. Inflation fell to 4.44 percent year-on-year in July under Lula—within target—and unemployment reached historic lows during his tenure. Household debt has risen, however, and Brazilians report declining purchasing power despite the macro headline. The Oct. 25 runoff outcome remains uncertain, embedding political risk into any sustained rally.
