Highest temperature in Tokyo on July 13?

Platform comparison

Market context

Tokyo will experience its peak summer heat on 13 July 2026, with the highest temperature recorded at Tokyo Haneda Airport Station determining the market outcome. Historical data shows July highs in Haneda typically range from 28°C to 35°C, with late July occasionally reaching 37°C–38°C under humid, clear conditions [3][4]. The current 0% crowd-implied probability for a specific high-temperature range suggests traders expect temperatures to fall outside that bracket, likely aligning with the average 31°C–35°C range observed in recent years [2][5].

Traders should monitor real-time forecasts from the Japan Meteorological Agency and Wunderground, the official resolution source, for shifts in cloud cover, precipitation, or sea breeze intensity that could suppress or elevate temperatures [5][6]. A recent 10-day forecast for Haneda indicates PM showers on 13 July with a high of 36°C (86°F), which may influence the final reading if rain persists [10]. Flight delays reported by JAL due to weather on this date further underscore the volatility of atmospheric conditions [7].

Regulatory accessibility hinges on jurisdiction: German GlüStV restrictions may limit participation for EU users, while US CFTC reach could affect traders in America. The ‘no-KYC up to $1,500’ feature allows anonymous access for smaller bets, enhancing liquidity for this weather market without triggering identity verification thresholds. However, larger positions may require compliance checks depending on local tax and KYC rules.

Sources: 1 · 2 · 3 · 4 · 5

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

Can I trade anonymously?

Pseudonymously, yes — up to the KYC threshold. Is Kalshi Legal in California 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.

What happens during a tax audit?

You're responsible for documenting your trades. Is Kalshi Legal in California 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.

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 Legal in California would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.