Highest temperature in Beijing on July 23?

Platform comparison

Market context

Beijing Capital International Airport is the resolving site, so the event turns on the day’s *single highest airport temperature* rather than the city-wide average. In late July, Beijing is normally in its hottest stretch: the city has a temperate monsoon climate, with hot, rainy summers and average summer highs that can reach the low 30s Celsius, which makes a mid-to-high 20s reading a plausible baseline for the day’s peak.[2]

The current book is already heavily concentrated around **28°C**, with a 90% implied chance, while **29°C** is the nearest alternative at 11%.[1] That kind of distribution usually reflects a market that is waiting for the actual afternoon maximum rather than a broad disagreement on the weather regime. For a settlement source tied to airport observations, small differences in cloud cover, humidity, and rain timing can matter more than the city forecast headline, because the recorded high is sensitive to the exact peak hour and whether a brief shower suppresses the maximum.

For traders, the main catalysts are the final airport forecast updates, any late-morning or early-afternoon convective rain, and the timing of the temperature peak before the settlement window closes. In weather markets, activity often picks up once funding is in place and traders can move quickly between payment rails; friction on deposit and withdrawal paths can affect how much liquidity reaches the book. In practice, on-ramps such as **Klarna**, **SEPA**, and **USDC** matter because they influence how fast fresh capital can enter, how easily positions can be topped up, and how readily profits can be withdrawn, which in turn affects depth near the dominant strike.[1]

Sources: 1 · 2

Methodology

This page compares Highest temperature in Beijing on July 23? 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).

FAQ

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 I deposit with a credit card?

Yes, Visa and Mastercard. Credit card deposits carry a ~2.5% acquirer surcharge (standard for card payments). Apple Pay and Google Pay run on the same card rails — same surcharge.

What's the minimum deposit?

10 EUR / 10 USD equivalent. No upper limit, but deposits over $1,500 lifetime volume trigger a quick KYC flow (typically 5-10 minutes).

How do withdrawals work?

Identical methods in reverse. SEPA withdrawal: T+1 (standard) or under 10 seconds (SEPA Instant). Klarna withdrawals process via bank-account refund. USDC withdrawal to external wallet: Polygon gas cost (typically $0.01).