Highest temperature in Beijing on June 30?

Platform comparison

Market context

On 30 June 2026, the Beijing Capital International Airport Station will record its peak daily temperature in degrees Celsius, a real-world event that determines the outcome of this prediction market. Historical patterns show Beijing’s June highs typically range between 35°C and 37°C, with around ten days exceeding 35°C this month[2]. In 2023, the city shattered its June record by hitting 41.1°C during a blistering heatwave, the second-highest temperature ever logged in the capital[3][5]. Given this volatility, the current 0% crowd-implied probability for any outcome above 35°C appears overly cautious, as past data confirms such extremes are not anomalies but recurring features of Beijing’s summer climate[1].

Traders should monitor upcoming weather forecasts from the China Meteorological Administration and Wunderground’s live updates for early signs of heatwave development, as these are the primary catalysts for temperature spikes[7]. Recent news from Reuters highlights that Beijing is already bracing for returning heatwaves, suggesting elevated risk for record-breaking temperatures in the coming days[3]. The market’s traction is closely tied to funding flows: deposit friction via Klarna, SEPA, and USDC on-ramps directly influences book depth, while withdrawal rails determine how quickly capital exits after settlement. As payment infrastructure becomes more seamless, liquidity is expected to surge, aligning market pricing with the empirical likelihood of extreme heat.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Highest temperature in Beijing on June 30? 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.

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 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).