Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
84% | 16% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
84% | 16% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 24°C | 84% |
| 25°C | 11% |
| 26°C | 2% |
| 27°C | 1% |
| 18°C or below | 0% |
| 19°C | 0% |
| 20°C | 0% |
| 21°C | 0% |
| 22°C | 0% |
| 23°C | 0% |
| 28°C or higher | 0% |
Market context
The real-world event at hand is the daily maximum temperature recorded at São Paulo-Guarulhos International Airport on 6 July 2026, a date that historically marks the coldest period of the year in the region. In São Paulo, July typically sees average highs near 22°C (72°F) and lows around 13°C (56°F), making extreme heat unlikely during this window [4]. Historical records confirm that the city’s hottest day reached 37.7°C in September 2023, while its coldest dipped to 3.7°C in July 2021, underscoring that July is not a month for record-breaking warmth [7]. Even Brazil’s national record of 44.8°C occurred during a stifling heatwave in a different season, not in the winter month of July [2]. These comparable cases suggest that a 0% crowd-implied probability for high temperatures aligns with seasonal norms.
Traders should monitor upcoming weather forecasts from Wunderground and regional climate bulletins for any anomalous heat spikes, though no major meteorological catalysts are currently scheduled for early July 2026 [3]. Unlike political markets driven by debates or campaign disclosures, this weather event depends solely on atmospheric conditions, with no scheduled declarations or conventions expected to influence temperature readings. Recent news from the BBC highlights that Brazil’s extreme heat events are typically linked to summer heatwaves, not winter months, reinforcing the low likelihood of high temperatures in July [2]. The market is leaning on the absence of any known heatwave catalysts, with the primary dependency being the natural variability of São Paulo’s winter climate. No polling aggregator or political news source applies here, as the outcome is purely meteorological.
Methodology
This page tracks Highest temperature in Sao Paulo on July 6? across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Trump Prediction provide a 0%-fee route into the same order book.
Resolution & payout
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
FAQ
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.
- How fast do political markets react to news?
- High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.
- Are political prediction markets legal in my country?
- It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.
- Which political events have the biggest volume?
- US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.
Trade Highest temperature in Sao Paulo on July 6? on Trump Prediction
Live order book, 0% fees, USDC settlement in seconds.
Open live market →