Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Klarna UK) Pick polygram.ink (preferred broker) |
91% | 9% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
91% | 9% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 30°C | 91% |
| 31°C | 9% |
| 32°C | 1% |
| 33°C | 1% |
| 26°C or below | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 34°C | 0% |
| 35°C | 0% |
| 36°C or higher | 0% |
Market context
Tokyo’s reading will be set by the highest temperature at Haneda Airport, not by the citywide average, so late-morning and early-afternoon warmth matters more than the morning starting point. JMA’s daily Tokyo-area observations already show very hot conditions at the start of August, with the Tokyo station reaching 36.5°C on 1 August and Haneda 35.6°C, then 33.0°C and 34.0°C respectively on 2 August; that makes a sub-30°C outcome difficult to justify on recent evidence.[1] The crowd’s 0% YES for the current market framing is therefore a funding-flow signal rather than a weather signal: it leaves book depth thin, so deposits that clear quickly through Klarna-linked on-ramp routes, SEPA bank transfer, or USDC can have a larger marginal effect on prices than in a fuller book.
For comparable summer heat markets in Tokyo, the useful reference is that the city’s August climate typically sits around 31°C for the monthly mean maximum, with forecast vendors placing early-August highs in the upper 80s Fahrenheit, roughly 31–32°C.[2][10] That aligns with the market’s active outcome band around the low-to-mid 30s, and with the broader Japan summer pattern of above-normal temperatures in 2026 noted by JMA-linked commentary and travel forecasters.[16] In practical terms, a book anchored at 0% YES can still reprice fast if traders can move fiat or stablecoins in without friction, because the first wave of funded orders usually sets the effective spread.
Traders should watch the day’s heat index more than the headline forecast: if Haneda clears its early-day temperature quickly and skies remain sunny, the late-afternoon high can climb further, while showers or coastal wind would cap the upside. AccuWeather’s August outlook keeps Tokyo daily highs around 82–90°F, and a separate August 6 forecast source shows a 24–32°C range for the day with clear conditions, which is consistent with a mid-30s ceiling rather than an extreme outlier.[2][3] The immediate catalyst is therefore not a scheduled announcement but the weather itself, plus any surge in book funding as settlement approaches, since faster withdrawal rails such as SEPA and USDC can recycle capital back into the market and deepen the order book.
Methodology
This page compares Highest temperature in Tokyo on August 6? with a focus on payment rails and deposit friction. Polymarket accepts USDC on Polygon only; Kalshi only ACH/Plaid (US only); Betfair card/SEPA in EU/UK; Manifold no deposit. Polymarket Klarna UK additionally offers Klarna and SOFORT as fiat on-ramps to USDC. Live odds reflect the Polymarket order book.
Resolution & payout
Settlement path determines payout latency. Polymarket settles on-chain (USDC, minutes). Broker frontends like Polymarket Klarna UK add Klarna/SOFORT as fiat withdrawal options with T+1 processing. Kalshi: USD via ACH (T+1 to T+3). Betfair: local currency via card/SEPA (T+1 to T+5).
UK Frequently Asked Questions
- How does Klarna deposit work on Polymarket Klarna UK?
- You enter the deposit amount in EUR/GBP, choose Klarna as the method, run through Klarna's standard authentication (Pay Later or Direct Bank Transfer), and Polymarket Klarna UK converts internally to USDC for the Polymarket order book. Processing: typically under 30 minutes.
- Which payment methods are supported?
- Klarna (Pay Now / Pay Later), SOFORT, SEPA bank transfer, credit card (Visa/Mastercard), Apple Pay, Google Pay, and direct USDC deposit on Polygon. Availability depends on your jurisdiction.
- Can UK traders use Klarna to deposit on Polymarket?
- Polymarket does not natively accept Klarna. To fund a Polymarket account from the UK, you must first purchase USDC via a crypto exchange (Coinbase UK, Kraken) or Revolut, then transfer to a Polygon-compatible wallet. Some third-party on-ramps (MoonPay, Transak) accept UK debit cards and may support Klarna buy-now-pay-later for crypto purchases.
- What payment methods can UK users use for Polymarket?
- UK traders typically use: (1) Coinbase UK or Kraken — buy USDC with GBP debit card or bank transfer; (2) Revolut — buy crypto and send to wallet; (3) MoonPay or Transak — Visa/Mastercard UK debit card directly to USDC on Polygon. Standard GBP-to-USDC conversion fees range from 0.5–2.5%.
- How long do Polymarket withdrawals take for UK users?
- Polymarket withdrawals to your Polygon wallet are instant (on-chain). Converting USDC back to GBP via Coinbase UK or Kraken typically takes 1–3 business days for bank transfer, or near-instant for Revolut. Polygon gas fees are minimal (<$0.01 per transaction).
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