Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Kalshi Legit) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 32°C | 100% |
| 34°C | 0% |
| 35°C or higher | 0% |
| 25°C or below | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 33°C | 0% |
Market context
The real-world event this market tracks is the peak temperature recorded at Singapore Changi Airport on 1 July 2026, measured in degrees Celsius. Historical climate data shows July highs in Singapore typically reach 31°C to 34°C, with daytime temperatures rarely exceeding 34°C (93°F) [1][3]. The current crowd-implied probability of 0% for any specific range suggests traders view the outcome as either highly uncertain or outside their betting models, despite the stable seasonal pattern. Comparable cases include Singapore’s 40-year record high of 37°C set recently, which remains an outlier against the norm [8]. Such extremes are infrequent, reinforcing that the 0% probability likely reflects caution rather than a prediction of impossibility.
Traders should monitor upcoming Southwest Monsoon intensity reports and any local heatwave advisories from Singapore’s Meteorological Services, as these directly influence peak temperatures [1]. A recent NOAA report noted July 2024 was the warmest July globally, indicating a trend of rising temperatures that could affect 2026 outcomes [2]. Key dependencies include the resolution source’s data availability from Wunderground and the precise timing of the settlement window ending 2026-07-01T12:00:00Z. Regulatory factors also shape accessibility: German GlüStV rules may restrict participation for some users, while US CFTC reach applies to markets exceeding certain thresholds. The “no-KYC up to $1,500” clause allows broader access for smaller bets but does not exempt larger trades from compliance checks, limiting how easily this market can be traded across jurisdictions.
Methodology
This overview of Highest temperature in Singapore on July 1? reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
FAQ
- Is Polymarket legal in my country?
- Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Is Kalshi Legit has a different geo footprint.
- Can I trade anonymously?
- Pseudonymously, yes — up to the KYC threshold. Is Kalshi Legit stores an email address and wallet addresses rather than a legal name. Over $1,500 lifetime volume triggers KYC, after which identity is no longer anonymous.
- Are prediction markets gambling?
- Legally unclear in most jurisdictions. Some interpretations classify them as wagering (gambling regulation applies), others as derivatives (financial regulation applies). There's no global precedent specifically for on-chain prediction markets.
- Is there a withdrawal cap?
- No platform-side cap. You can withdraw any amount provided KYC is complete. SEPA bank withdrawals over €15,000 trigger additional anti-money-laundering checks (statutory obligation for all platforms).
- What if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Kalshi Legit would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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