Brazil flips. The Fed hike fades.

· 9 min

Oct 5: Brazil flips to Bolsonaro, and the Fed hike vanishes

A month ago the market had Lula as the favorite in Brazil. This morning it gives Flávio Bolsonaro an 82% chance. What happened in Sunday's first round, why the money moved so fast, and what could still flip it before the October 25 runoff.

Plus: a week ago traders saw a Fed rate hike in October as likely. Now it's down to about 16%. One cautious speech, a softer inflation print and a very weak jobs report, explained.

Listen to this episode

Markets in this episode

Odds at snapshot:

Brazil Presidential Election

Flávio Bolsonaro81.8%

▲ +18 today+24 7 days

Luiz Inácio Lula da Silva17.5%

▼ −18 today−25 7 days

24h volume: $6.2M

Fed Decision in October?

No change83.5%

▲ +1 today+50 7 days

25 bps increase16.5%

▼ −1 today−48 7 days

24h volume: $592K

Transcript

Read the full transcript

Cold open

Maya: One month ago, the market gave Lula a fifty six percent chance of winning Brazil. This morning? Under twenty.

Daniel: And his opponent, Flávio Bolsonaro, is at eighty two percent. That's not a drift. That's a stampede.

Maya: Okay. This is The Poly Brief, and, uh, this is our very first episode! It's Monday, October fifth. I'm Maya.

Daniel: And I'm Daniel. Every day we take the biggest moves on Polymarket, show you where the odds are, and ask the only question that matters: why is the market betting this way?

Maya: Today: Brazil votes, and the market makes up its mind in, like, one night. Plus the Fed rate hike that everyone expected a week ago... and almost nobody expects now.

Story 1: Brazil

Maya: The board. Brazil's presidential election. Flávio Bolsonaro to win: eighty two percent. Up eighteen points since yesterday. Lula: seventeen and a half.

Daniel: Over six million dollars traded in the last twenty four hours. Leave out sports, and that's the busiest market on the site today.

Maya: So, Daniel. Sunday was only the first round. Nobody's won anything yet. Why is the market acting like it's over?

Daniel: Okay, start with the result. With almost every vote counted, Flávio has about forty seven percent. Lula, about forty five. So a gap of around two points. Nobody crossed fifty, which means a runoff, on October twenty fifth.

Maya: Hm. Two points sounds... close?

Daniel: It is close! But look at what the polls said the day before. Datafolha had Lula ahead, forty five to forty two. Quaest had Lula up by one. So Flávio didn't just win the round. He beat the polls by about three points.

Maya: Ah. And once the polls miss in one direction, traders kind of stop trusting the polls that say it's a tie.

Daniel: Exactly. That's reason number one. The polls underestimated the Bolsonaro side in twenty twenty two as well. So a runoff poll showing a dead heat? The market reads it as a quiet lead for Flávio.

Maya: Reason two?

Daniel: History. A Folha analysis says this was the tightest first round since nineteen eighty nine. And in all seven runoffs since then, whoever finished first in round one went on to win.

Maya: Seven for seven. Okay, that's a pretty good record. Reason three.

Daniel: The leftover votes. About eight percent went to smaller candidates, and polls say most of those voters lean toward Flávio. In a Quaest poll last month, Renan Santos voters picked Flávio over Lula fifty to eighteen. Caiado voters, forty six to twenty.

Daniel: And on Sunday night, Romeu Zema of the Novo party signalled he'd back Flávio. His words: wherever the Workers' Party is, we will be against it.

Maya: And the money outside Polymarket?

Daniel: Same story. The Brazil fund that trades in New York jumped about ten percent overnight. Investors read the result as more market friendly.

Maya: Quick background, for anyone just tuning in. Flávio is a senator from Rio, and Jair Bolsonaro's eldest son. Jair himself can't run. He's banned from office until twenty thirty, and he's serving a twenty seven year sentence over the coup plot. And Lula is eighty, going for a fourth term.

Maya: Okay. Now the other side. What could flip this?

Daniel: Oh, plenty. First, eighty two percent is not a hundred. The gap is two points. And before Sunday, the runoff polls were basically tied: Datafolha had Lula forty seven, Flávio forty six.

Daniel: Second, a lot of those leftover voters say they'll vote blank or just stay home. Augusto Cury, who came third, is staying neutral. Renan Santos isn't endorsing anyone. So turnout matters. A lot.

Daniel: Third, some analysts think part of Flávio's vote was a protest vote against Lula, and that kind of vote has a ceiling. And Lula still dominates the Northeast. Over sixty percent in Bahia, Ceará and Pernambuco.

Maya: And Flávio has his own problem.

Daniel: He does. He's under investigation over how a film about his father was financed. Al Jazeera reports it was bankrolled by a banker who's now in jail. If that story grows, it could hurt.

Maya: What to watch. October eleventh: the first runoff debate. Then the first runoff polls, and whether Caiado picks a side. He says he'll decide together with the head of his party. And October twenty fifth: the vote itself.

Maya: Bottom line: the market thinks the polls missed once, and will miss again. Flávio is the clear favorite. But a two point race is still a two point race.

Daniel: And hey, if this is your first time with us, and it is literally everyone's first time, hit follow so tomorrow's episode is waiting for you.

Story 2: the Fed

Maya: Story two. The Fed's October decision. No change in rates: eighty three and a half percent. A twenty five basis point hike: sixteen and a half.

Daniel: And a week ago it was the other way around. Traders had a hike at around sixty five percent. Fifty points, gone, in seven days.

Maya: Wait, back up a second. Why was a hike even on the table?

Daniel: Because the Fed already hiked last month. On September sixteenth it raised rates to between three point seven five and four percent. First hike since twenty twenty three, and the vote was unanimous. And almost every official projected at least one more hike this year.

Daniel: The reason is inflation. Oil is above a hundred dollars a barrel with the conflict around Iran, and prices are still running well above the two percent target.

Maya: So what changed in one week?

Daniel: Three things, one after another. Tuesday: John Williams of the New York Fed says there's no need for urgency. He still wants another hike, just later this year. October odds drop from about seventy to fifty, right there.

Daniel: Wednesday: the inflation gauge the Fed watches most, PCE, comes in softer than expected. Three point four percent instead of three point seven. Now, to be fair, part of that drop was a change in how the government measures it. Not just cheaper prices.

Daniel: And Friday: the jobs report. Twenty nine thousand new jobs, when economists expected about eighty four thousand. July and August were revised down by sixty thousand. Unemployment, four point two percent.

Maya: Ouch. And that's the one that killed it.

Daniel: Pretty much. A strategist at Goldman Sachs Asset Management told CNBC the possibility of an October hike has effectively been removed. Fed futures moved to about eighty four percent no change. Which is almost exactly where Polymarket is.

Maya: What could flip it back?

Daniel: The September inflation report, out October fourteenth. If it's hot, hike talk comes right back. Oil is still above a hundred. And the Conference Board argues an October hike is still viable.

Daniel: And notice what the market did not say. It didn't say the Fed is done. Futures still price a hike by December as close to certain. So this is about timing, not direction.

Maya: What to watch: the inflation report on October fourteenth, producer prices on the fifteenth, and the Fed decision on October twenty eighth.

Maya: Bottom line: the market thinks the Fed is pausing. Not pivoting.

Close

Maya: And that's The Poly Brief! Episode one, done. All the articles and data behind today's episode are linked in the description.

Daniel: One reminder: these odds are prices, not prophecies. Nothing here is investment advice. And eighty two percent means it doesn't happen, almost one time in five.

Maya: On that cheerful note. If you liked this, don't forget to follow or subscribe, leave us a rating, and send it to that one friend who's always checking the odds.

Daniel: We're here every morning. See you tomorrow!

Sources

  1. Al Jazeera: Brazil's presidential race: Three key takeaways from the first round (2026-10-05)
  2. NPR (via OPB): Lula and Flávio Bolsonaro face off in Brazil run-off (2026-10-05)
  3. The Rio Times: Flávio and Lula Head to Brazil Runoff, 99.9% Counted (2026-10-05)
  4. Newsweek: Trump Ally Bolsonaro Tops Lula in Brazil Vote, Forcing Runoff (2026-10-04)
  5. The Rio Times: Brazil's Final Polls Show Lula 45%, Flávio 42% (2026-10-04)
  6. CartaCapital: Quaest mostra a divisão dos votos de Cury, Renan, Zema e Caiado no 2º turno (2026-09-14)
  7. O Tempo: Zema indica apoio a Flávio Bolsonaro no segundo turno (2026-10-04)
  8. Terra: O que Cury, Zema, Renan Santos e Caiado falaram sobre o resultado das eleições (2026-10-05)
  9. SSBCrack (citing Folha): Flávio Bolsonaro edges Lula by two points in Brazil's tightest first round on record (2026-10-04)
  10. SBT News: Fundo que replica bolsa brasileira nos EUA dispara 10% (2026-10-05)
  11. A Crítica: Band e Estadão marcam debate presidencial de eventual segundo turno para 11 de outubro (2026-09-28)
  12. Al Jazeera: Brazil's Lula and Bolsonaro close campaigns ahead of critical election (2026-10-04)
  13. Metrópoles: Flávio e Lula iniciam 2º turno atrás do espólio de Cury, Renan e Caiado (2026-10-05)
  14. Gazeta do Povo: Flávio impõe revanche a Lula e chega como favorito ao 2º turno (2026-10-04)
  15. Federal Reserve: FOMC statement (2026-09-16)
  16. Federal Reserve: Meeting calendars and information (2026)
  17. Charles Schwab: Fed Hikes in 12-0 Vote, Commits to Inflation Fight (2026-09-16)
  18. Yahoo Finance: 'No need for urgency': New York Fed's Williams squashes notion of an October rate hike (2026-09-29)
  19. BEA: Personal Consumption Expenditures Price Index (2026-09-30)
  20. BLS: The Employment Situation, September 2026 (2026-10-02)
  21. Quartz: U.S. September 2026 jobs report: payrolls miss forecasts badly (2026-10-02)
  22. IndexBox (citing CNBC): Treasury Yields Drop as Weak Jobs Report Eases October Fed Rate Hike Odds (2026-10-02)
  23. The Conference Board: August PCE Portends Further Hikes Remain Likely (2026-09-30)
  24. Fortune: Current price of oil as of Oct. 2, 2026 (2026-10-02)
  25. FXStreet: The October Fed hike just died: here's what the 29K jobs report really means for rates (2026-10-02)
  26. BLS: 2026 release schedule (2026)