Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
47% | 53% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
47% | 53% | 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 |
|---|---|
| 13°C | 47% |
| 14°C | 31% |
| 15°C | 8% |
| 16°C | 2% |
| 11°C or below | 0% |
| 12°C | 0% |
| 17°C | 0% |
| 18°C | 0% |
| 19°C | 0% |
| 20°C | 0% |
| 21°C or higher | 0% |
Market context
Cape Town International Airport is experiencing typical mid-winter conditions on 13 July 2026, with forecasted highs hovering near 16°C to 17°C under fair skies. The market’s 0% probability for any outcome above the current range reflects the region’s Mediterranean climate, where July is the coldest month, averaging highs of just 63°F (17°C) and lows of 46°F (8°C)[2]. Historical data confirms that temperatures rarely exceed 18°C during this period, with most days clustering between 12°C and 18°C, making extreme heat events virtually non-existent in mid-winter Cape Town[7].
Traders should monitor real-time updates from Wunderground and local forecasters like Yr.no, which currently predict a maximum of 16°C for the day with no precipitation[4]. While no political debates or campaign disclosures influence weather outcomes, the market’s resolution hinges entirely on the official temperature recorded at the Cape Town International Airport Station, as specified by the settlement rules[1]. Given the consistency of winter weather patterns and the absence of any anomalous atmospheric catalysts, the crowd-implied probability aligns with historical norms, leaving little room for unexpected spikes above the 17°C–18°C range that dominate current trading[1][3].
Methodology
This page tracks Highest temperature in Cape Town on July 13? 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.
- 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.
- Why do Polymarket and Kalshi differ on elections?
- Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.
- 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.
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