Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Polymarket Legal in Canada) Pick polygram.ink (preferred broker) |
81% | 19% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
81% | 19% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 28°C | 81% |
| 29°C | 14% |
| 30°C | 4% |
| 31°C | 1% |
| 23°C or below | 0% |
| 24°C | 0% |
| 25°C | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 32°C | 0% |
| 33°C or higher | 0% |
Market context
Tokyo is set to experience peak summer heat on 13 July 2026, with the Tokyo Haneda Airport Station recording the day’s highest temperature in degrees Celsius. Historical data and recent climate trends indicate that mid-July in Tokyo routinely sees highs between 30°C and 36°C, often climbing higher under intense heatwave conditions. The current crowd-implied probability of 0% YES suggests traders believe the temperature will fall outside the specific range offered, likely due to uncertainty over whether it will breach extreme thresholds.
Recent records underscore the volatility of Tokyo’s summer weather. Japan recorded its highest-ever temperature of 41.2°C in Tamba City on 30 July 2025, and July 2025 was the nation’s hottest July since records began in 1898, with average temperatures up 2.89°C above the 1991–2020 baseline [5][8]. Comparable cases show that Haneda Airport, while slightly cooler than inland areas, still frequently exceeds 35°C in July, with forecasts for July 2026 projecting daily highs up to 38°C (91°F) [1]. These precedents suggest the 0% probability may be premature if a heatwave aligns with the settlement date.
Traders should monitor the Japan Meteorological Agency’s weekly heatwave advisories and the 5-day forecast for the Kanto region, which typically updates by 09:00 JST. A recent Reuters report highlighted that western Japan’s record-breaking heat in late July 2025 was driven by a persistent high-pressure system, a pattern that could recur [8]. Key catalysts include official heatwave declarations, real-time Wunderground data for Haneda, and any sudden shifts in monsoon activity. Regulatory clarity remains critical: German GlüStV implications may restrict access for EU users, while US CFTC reach could affect US traders, though ‘no-KYC up to $1,500’ ensures this market remains accessible to most retail participants without identity verification.
Methodology
This overview of Highest temperature in Tokyo on July 13? 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 Polymarket Legal in Canada has a different geo footprint.
- Do I need to KYC for Is Polymarket Legal in Canada?
- Not for lifetime trading volume under $1,500. Above that threshold, a quick KYC flow kicks in — ID, selfie, approximately 5-10 minutes. The threshold matches FATF travel standards for unregulated crypto platforms.
- What happens during a tax audit?
- You're responsible for documenting your trades. Is Polymarket Legal in Canada exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
- 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.
- What if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Polymarket Legal in Canada would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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