Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Klarna UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| 34°C | 100% |
| 27°C or below | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 35°C | 0% |
| 36°C | 0% |
| 37°C or higher | 0% |
Market context
Chengdu’s top temperature on 9 August will hinge on whether the city gets a hot, humid afternoon or stays capped by showers and cloud. Forecasts for the day cluster in the low 30s Celsius, with sources putting the daytime high around **31–34°C**, which sits close to the August norm rather than an exceptional heat spike.[2][3][5][6] For this market, the key point is the settlement source: Weather Underground’s **Daily Observations** table, not the headline day-high figure, so intraday updates and the timing of the warmest reading matter more than the forecast banner.[19]
The current **0% YES** crowd price is easiest to read as a funding and on-ramp problem as much as a weather view. On a brand-led venue, book depth tends to be thinner when deposits are awkward or delayed, so friction at the payment layer can suppress small-ticket participation even when the underlying event is ordinary. That is relevant here because traders who can move money quickly via **Klarna**, **SEPA**, or **USDC** are better placed to react to late forecast changes, while slower bank rails can leave the market underfilled until the last part of the settlement window. Chengdu’s late-summer climate usually supports highs in the low 30s, but records for 9 August have reached **38.1°C**, leaving some upside if the day turns sunnier than expected.[2][11][20]
The main catalysts are the morning and early-afternoon observation updates at Chengdu Shuangliu International Airport, especially any swing in cloud cover, thunderstorm timing, or post-rain clearing that could lift the peak temperature above the forecast band. Current weather services show a mix of **cloudy**, **shower**, and **thunderstorm** signals for 9 August, with rainfall risk high enough to cap the maximum if convection arrives early.[3][5][10][13] A trader watching for book-moving flow should also monitor whether the day’s payment rails stay smooth: rapid top-ups and withdrawals through **USDC** can widen participation late, while settlement delays on card or bank deposits can leave price discovery dominated by a small set of positions rather than a broad crowd.[18][19]
Methodology
This page compares Highest temperature in Chengdu on August 9? 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
- What does SOFORT cost as a deposit method?
- Polymarket Klarna UK charges no fees for SOFORT. The only cost is the internal FX spread (typically <1%) on EUR→USDC conversion. SOFORT itself has no end-user fees — the platform absorbs acquirer costs.
- How fast is SEPA deposit?
- SEPA Instant: under 10 seconds. SEPA Standard: 1-2 business days. Both accepted fee-free; the internal USDC conversion runs automatically once EUR lands in the platform account.
- 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).
Trade Highest temperature in Chengdu on August 9? on Polymarket Klarna UK
Live order book, 0% fees, USDC settlement in seconds.
Open live market →