Highest temperature in Shanghai on July 28?

Platform comparison

Market context

Shanghai's summer heat in late July typically peaks between 32–36°C, with occasional spikes above 37°C during intense heatwaves. The settlement mechanism relies on Wunderground's historical records for Pudong International Airport, which captures official meteorological readings throughout 28 July 2026. The 0% crowd probability suggests traders are either uncertain about the exact temperature range options available or have not yet engaged with this specific market structure. Historical data from Shanghai's meteorological bureau shows that late-July temperatures have ranged from 29°C in cooler years to 40°C during exceptional heat events, though the 35–38°C band represents the modal outcome across the past decade.

Traders monitoring this market should track China's meteorological forecasts and any published weather alerts from late June onwards, as seasonal patterns and anomalies become clearer closer to settlement. El Niño or La Niña conditions can shift East Asian summer temperatures by 1–3°C, and such indicators typically emerge in official announcements from the China Meteorological Administration by mid-July. The settlement window closes at 12:00 UTC on 28 July, meaning traders must account for timezone conversion—Shanghai operates on UTC+8, so the market deadline corresponds to 20:00 local time, after the day's peak temperature has likely occurred.

Liquidity in weather markets often correlates with deposit accessibility; traders using Klarna's payment rail or SEPA transfers may face settlement delays that affect position management. USDC on-chain settlement reduces friction for international participants, though conversion costs and exchange spreads should be factored into position sizing for markets with tight probability bands.

Methodology

This page compares Highest temperature in Shanghai on July 28? 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

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.

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).