AFOS Daily · Daily Synthesis

August 1, 2026

Prediction Markets × Polls × News

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

With 64 days to the first round, the favourite's price broke its own top for a second consecutive session and the gap reached the widest value in the series. Both records came with no national poll in between. On the day Republicanos made Tarcísio de Freitas's re-election bid official in São Paulo, with Flávio Bolsonaro on the platform, the whole chasing pack shrank. Total accumulated volume in the presidential market is around USD 117.52M.

1. Prediction market

With 64 days to the first round, total accumulated volume in the presidential market is around USD 117.52M (Polymarket via the AFOS proxy, captured August 1 at 1:49pm BRT). Lula rose 1.00pp and went to 65.50% (USD 7.82M), the maximum of the AFOS series for a second consecutive session. Flávio Bolsonaro rose 0.40pp, to 24.75% (USD 7.79M), and the gap widened to +40.75pp, also the maximum of the series holding both names, which begins on May 3. On both days the record came with the opponent rising alongside: there was no downward repricing of Flávio, there was demand for the front-runner.

Renan Santos is the series finding: he fell 0.55pp and went to 7.60% (USD 8.72M), his lowest value since May 14, in a fifth consecutive session of decline. On July 23 he stood at 12.00% and has since given ground in eight of nine rounds, 4.40pp. Before May 14 the series holds lower values, which is why the window is declared.

The rest of the pack shrank alongside, the difference from July 31, when the signals were crossed: Caiado fell to 1.35% (USD 5.24M) and Camilo Santana gave back 0.90pp, going to his series minimum, 0.45%; Jair, Alckmin, Zema and Tarcísio gave ground or stood still, all below 1%.

In the placing books, Flávio rose 1.00pp in first-round second place, to 79.50% (USD 216,000), and Renan gave way there. In third place, Caiado collapsed 5.00pp, to 22.50%, undoing the previous day's gain. Impeachment of an STF justice was flat at 3.10% (USD 83,000) and the PL rose in the Senate, to 72.50%. The guard failed the first round and approved the second: prices go in firm.

2. What the institutes recorded

There was no new national poll. The latest remains Vox Brasil of July 31 (n=2,100, field July 26 to 28, margin of 2.15pp, BR-01084/2026): Lula 40.5% x Flávio 31.2% in the first round and 47.5% x 41.1% in the runoff.

The poll of the day is a state one and does not enter the national set: Datafolha in Pernambuco has Lula 57% x Flávio 22%, and in the governor's race Raquel Lyra 48% x João Campos 42%, tied in the runoff (g1, Jornal do Commercio).

With Renan at 7.60% in the market and 3.0% in the polling, the distance between the two narrowed from 5.15pp to 4.60pp, from the price side. On July 29 this synthesis called that distance, then 0.90pp, convergence; it quadrupled and is now receding.

📅 Polling calendar — next 7 days

Polls registered with the TSE scheduled for publication between August 2 and August 7. Inclusion in the table does not mean publication is confirmed: institutes can delay or cancel. Filter applied: sample ≥ 1,000. Each protocol links to the TSE public search.

DateInstituteSampleScopeTSE protocolConf.
Aug 2Veritá2,010stateBR-02249/20260.7
Aug 3Nexus2,000nationalBR-02874/20260.7
Aug 3Real Time Big Data1,600stateBR-07696/20260.8
Aug 3AtlasIntel1,000stateBR-09332/20260.8
Aug 4Nexus1,200nationalBR-05573/20260.6
Aug 5Quaest2,004nationalBR-06591/20260.9
Aug 5Ideia/Canal Meio1,500nationalBR-04579/20260.6

Source: public TSE registry via the AFOS API. 🔥 marks samples ≥ 3,000, and there are none in this window. Status "registered ≠ published": citing numbers requires verification in two primary sources.

3. What the press covered

Saturday was about conventions, and the most visible one had Flávio on another candidate's platform. Republicanos made official in São Paulo the bid of Tarcísio de Freitas for re-election as state governor, but Tarcísio himself avoided nationalizing his speech (O Globo, Folha de S.Paulo). This synthesis separates what the coverage merges: Saturday's is a state convention, and the Republicanos national convention, which decides the presidential alliance, is on August 4 (Estadão). Flávio remains without a running mate four days from the August 5 deadline, and Michelle Bolsonaro did not confirm her Senate bid (Folha de S.Paulo). In the government camp, the PT held conventions in Ceará and Bahia, and the national one that makes Lula official is on August 2 (g1).

On the judicial axis, the fact is from July 31. André Mendonça authorized a second inquiry by the Federal Police into Fábio Luís Lula da Silva, known as Lulinha, over his dealings with Dataprev, a day after the first one, over the Health Ministry (g1, Estadão). These are two open inquiries, and an inquiry is not a conviction. In the Master case, Novo filed a petition against Jaques Wagner with the Ethics Council, on the same day as the Bahia convention that made his name official.

4. Divergences of the day

Market × poll: the price moved 2.00pp across two sessions with no national poll in between. The tops of July 31 and August 1 have no polling to accompany them, and the synthesis asserts no cause because there is nothing to assert.

Market × market: Renan's winner contract falls for a fifth session while the second-place book gave three directions in three days: 6.10%, 9.35% and now 8.55%. What survives is the winner reading, where the USD 8.72M of volume sits.

Price × convention: it is the second time in eight days that a convention coincides with the favourite breaking a ceiling: on July 25 the PL's, which launched Flávio, and now the Republicanos one. In both the synthesis recorded the coincidence and refused the cause.

In summary

  1. Two series tops in two days, and in both the gap widened with the opponent rising alongside.
  2. The whole chasing pack shrank, and Renan has accumulated 4.40pp of decline across nine rounds.
  3. The convergence of July 29 recedes: the distance between price and poll fell to 4.60pp, from the price side.

Fontes consultadas

matérias com link direto para a notícia (veículos âncora):

matérias secundárias (URL Google News redirect — clique resolve à matéria):

Fontes técnicas: Polymarket (live quotes via the AFOS proxy, fetched Aug 1, 1:49pm BRT), TSE registry (official electoral polls).

Sources cited in this text: Polymarket, TSE (registro público), Vox Brasil, Datafolha, O Globo, g1, Estadão, Folha de S.Paulo, Diario de Pernambuco, Jornal do Commercio, Pleno.News, BR104

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 1, 2026 | AFOS Analytics