AFOS Daily · Daily Synthesis

August 5, 2026

Prediction Markets × Polls × News

Synthesis generated from auditable data. Every claim cites its source.

A Wednesday of double polling and an expiring deadline. Two national polls came out on the same day and from the same fieldwork window, Genial/Quaest and Meio/Ideia, and both tightened the race for different reasons. Flávio closed his ticket on the last day of the conventions, with Alfredo Gaspar. And government approval at Quaest repeated the exact number from three weeks earlier. The prices in this edition are from the Aug 3 reading and each one is marked, and the total accumulated volume in the presidential race stands at USD 119.95M, measured today at 18:41 BRT.

1. Prediction market

This edition publishes a price from Aug 3, 16:11 BRT, marked on every number. There is no fresh reading on Aug 4 and Aug 5. In that reading the market had Lula at 65.50% (USD 7.92M) against Flávio at 25.45% (USD 7.86M), a gap of +40.05pp. Total accumulated volume in the presidential race stands at USD 119.95M, measured today at 18:41 BRT: the counter is cumulative and not a price, so it tracks the day even when the price does not. Over the 88-day series, Lula's high remains 66.50% and the maximum gap +41.80pp, both from Aug 1.

Behind them, Renan Santos at 7.45% (USD 8.86M), with more money traded than Lula, and Caiado at 1.15% (USD 5.30M). Zema, Haddad and the rest combined do not reach 1.60%.

Among the side markets, the impeachment of an STF justice at 3.10% (USD 83 thousand), the thinnest on the panel; the PL at 75.00% (USD 259 thousand) in the Senate; and the 5.00% to 5.49% band at 36.60% in 2026 inflation, summing to 99.65% and passing the coherence gate.

2. What the institutes recorded

Two national polls on the same day, same fieldwork window, Jul 31 to Aug 3. Genial/Quaest (n=2,004, 2pp margin, BR-06591/2026) gives a first round of 39% x 30%, a 9pp gap, and a runoff of 44% x 39%. Meio/Ideia (n=1,500, 2.5pp margin, BR-04579/2026) gives 43% x 35%, an 8pp gap, and a runoff of 48.5% x 43%. Lula wins the eight runoffs of the two combined.

The comparison that counts is each house against itself, and it separates two mechanisms. At Quaest, the gap fell from 12pp to 9pp in the first round and from 8pp to 5pp in the runoff, with Lula giving up 1pp and Flávio gaining 2pp in each. At Meio/Ideia, the gap barely moved, from 8.4pp to 8pp, and both rose, Lula from 40.4% to 43% and Flávio from 32% to 35%. On its unprompted vote, Lula has 34.4% and Flávio 23%.

Approval repeated the exact number from three weeks earlier. At Quaest, 48% approve against 47% who disapprove, the same 48% x 47% as its own Jul 15 round, and administration ratings repeat 36% positive, 26% average and 36% negative. BTG/Nexus on Aug 3 gives the mirror image, 47% x 48%, and has been at 47% for three rounds. Rejection is 54% for Flávio and 52% for Lula.

📅 Polling calendar — next 7 days

Registered with the TSE and scheduled for publication between Aug 6 and Aug 12. Inclusion does not mean confirmed publication. Filter: sample ≥ 1,000, with no scope cut. Filing numbers in the TSE lookup.

DateInstituteSampleScopeTSE filingConf.
Aug 6A J Tech1,602stateBR-01894/20260.6
Aug 6Real Time Big Data1,600stateBR-01784/20260.8
Aug 6J J Coelho1,311stateBR-01078/20260.6
Aug 9American Analytics1,500stateBR-03025/20260.6

Source: public TSE filings via the AFOS API. None reaches the 3,000 that the 🔥 flags and none is national. Status "registered ≠ published".

3. What the press covered

The convention deadline expired on Wednesday, and Flávio closed his ticket on the last day. The running mate is Alfredo Gaspar, a PL congressman from Alagoas, former attorney general and former security secretary of the state, rapporteur of the INSS joint congressional inquiry, whose profile the BBC sketched. VEJA reads the choice as a bet on fighting corruption rather than on the economy, and Valor describes it as damage minimisation.

It is a single-party ticket, and the cost shows up on the same page. Gazeta do Povo counts seven parties already neutral in the presidential race, and O Globo calculates that, with a pure ticket, he will have more than a minute less television time than Lula.

On the electoral-judicial axis, a partial grant. André Mendonça, vice-president of the TSE, ordered the government to produce within 10 days its documentation on institutional advertising from 2023 through the first half of 2026. The PL, which filed the petition, alleges commitments of R$ 178 million against a ceiling of R$ 135.7 million. And he denied the part seeking to bar new commitments, because the half-year window closed on June 30.

And the third most expensive name on the book spoke about the court. In an interview with g1 and GloboNews, Renan Santos said he will not comply with single-justice STF rulings, with the formulation "an illegal ruling is not obeyed", and that he will deal with the Centrão. On August 4, Lula and Davi Alcolumbre, president of the Senate, met at Moraes's home for two hours, after three months without contact.

4. Divergences of the day

Poll × poll: both tightened the gap while measuring different things. At Quaest there was switching, with Lula giving up and Flávio gaining. At Ideia there was concentration, with both rising and the gap flat. Two rulers in the same week with different results is information about method, not about the electorate.

House × set: BTG/Nexus measured 4pp on Aug 3. With today's two, the national polls since Jul 29 stand at 9.1pp for AtlasIntel, 6pp for PoderData, 9.3pp for Vox Brasil, 4pp for Nexus, 9pp for Quaest and 8pp for Ideia. The 4pp level belongs to one house alone; the direction is confirmed.

Market × polling: without a fresh price, neither Flávio's ticket nor the polling gap can be crossed against real money. The absence is recorded rather than estimated.

In summary

  1. The question from Aug 4 is half answered: the 4pp level from Nexus is an outlier, the direction is not.
  2. Approval is the steadiest figure in the picture, with Quaest repeating its Jul 15 number and Nexus at 47% for three rounds.
  3. The board closed and the price did not follow. The next phase is candidate registration.

Sources consulted

stories with a direct link to the article (anchor outlets):

secondary stories (Google News redirect URL — the click resolves to the article):

Technical sources: Polymarket (quotes via the AFOS proxy, locked capture Aug 3 at 16:11 BRT, total volume measured Aug 5 at 18:41 BRT), TSE filings (official electoral polls).

Sources cited in this text: Polymarket, TSE (registro público), O Globo, Valor Econômico, g1, VEJA, Folha de S.Paulo, BBC News Brasil, JOTA, Gazeta do Povo, Congresso em Foco, Pleno.News

Method: this synthesis is generated automatically from auditable data on the AFOS Analytics platform, under code-versioned rules in git. All claims can be verified on the platform or in the linked sources. Understand the automated governance.

Integration: for live data and detailed candidate analyses, access the full dashboard. To understand the method in depth, read The Method.

Glossary: Brazilian political terms used in the syntheses (TSE, STF, BolsoMaster, lideranças envelhecidas, etc.), definitions in 3 languages. See the full glossary

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AFOS Daily — August 5, 2026 | AFOS Analytics