Highest temperature in Shanghai on June 29?

Platform comparison

Market context

The underlying event is the peak heat recorded at Shanghai Pudong International Airport on 29 June 2026, measured in degrees Celsius and resolved via Wunderground data. Historical patterns for this location show daily highs in June typically climbing from 77°F to 83°F (25°C to 28°C), rarely dipping below 69°F (21°C) or exceeding 92°F (33°C)[1]. Summer climates in Shanghai regularly breach 30°C, reaching 35°C during intense sunshine, making a 0% YES probability for any temperature range highly anomalous unless the market defines an implausibly low threshold[4]. The current crowd-implied probability suggests either a mispriced book or a misunderstanding of regional climatology, as comparable cases confirm consistent warmth well above freezing.

Traders should monitor upcoming meteorological announcements and seasonal schedules, particularly any shifts in shortwave solar energy, which is gradually decreasing through June but remains high at 5.1–6.0 kWh daily[1]. Recent forecasts for June 2026 predict highs between 80°F and 85°F (27°C–29°C), reinforcing that extreme cold is not a realistic outcome[7]. The market’s traction ties directly to funding flows driving book depth; as deposit rails like Klarna and SEPA ease on-ramp friction, liquidity increases, allowing traders to correct mispricings faster. Withdrawal rails such as USDC further sustain engagement, ensuring the book reflects real-time sentiment rather than static assumptions. Watch for any sudden weather model updates that could shift expectations before the settlement window closes at 12:00 UTC on 29 June 2026.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Highest temperature in Shanghai on June 29? 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

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 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).