Highest temperature in Tokyo on August 12?

Platform comparison

Market context

On 12 August 2026, the highest temperature recorded at Tokyo Haneda Airport Station will determine this market's resolution. The settlement uses Weather Underground's Daily Observations table as the authoritative source, prioritising granular hourly data over summary high-low figures. Tokyo's August climate typically peaks between 32–36 °C, though extreme heat events have pushed readings above 37 °C in recent years. The 0% crowd probability suggests traders currently see no basis for an exceptionally high outcome, or the market has attracted minimal liquidity in its early phase.

Historical August temperatures at Haneda show considerable year-to-year variance. The Japan Meteorological Agency recorded 35.1 °C on 16 August 2023 and 36.5 °C on 5 August 2022. Summer heat waves in the Kanto region often correlate with Pacific high-pressure systems moving northwestward in early-to-mid August. Comparable prediction markets on Japanese summer temperatures have typically resolved within the 33–35 °C band, making extreme outliers (above 37 °C) statistically uncommon but not unprecedented. Current crowd positioning at 0% may reflect either conservative baseline expectations or insufficient market depth.

Traders should monitor Japan Meteorological Agency forecasts released 7–10 days before 12 August, which provide reliable medium-range guidance on upper-air patterns and heat dome positioning. El Niño or La Niña conditions in the Pacific will influence seasonal temperature trajectories through summer 2026. Regulatory access varies: under German GlüStV rules, prediction markets on weather events face lighter scrutiny than financial derivatives, whilst US CFTC jurisdiction typically excludes non-leveraged binary weather contracts. Most platforms offer no-KYC participation up to $1,500 notional exposure, making this market accessible without identity verification for modest stakes.

Methodology

This overview of Highest temperature in Tokyo on August 12? 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

Do I need to KYC for Is Kalshi Legal in California?

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.

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.

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.