Highest temperature in Hong Kong on July 23?

Platform comparison

Market context

Hong Kong’s highest temperature today will be set by the Hong Kong Observatory’s recorded daily maximum, with settlement tied to the “Absolute Daily Max” for 23 July once the day’s data is finalised. July is typically the city’s hottest month, with an average high around 32°C and frequent rain or storms, so the relevant question is less whether it gets warm and more whether the day clears the usual mid-30s-style peak that often appears in hot, humid spells.[1]

A 0% crowd-implied probability points to either very thin participation or a market that is still waiting for fresh funding before traders commit to tighter ranges. In weather contracts, depth usually improves only once the temperature path becomes clearer and on-chain or card deposits have landed, because small frictions in funding can leave the book sparse even when the underlying event is well understood. That matters here: if deposits via Klarna, SEPA, or USDC are slow or costly, the order book can stay shallow and the displayed probability can lag the meteorological setup rather than reflect it cleanly.

The main catalysts are the Hong Kong Observatory’s daytime updates, any late-morning shift in cloud cover or showers, and the final Daily Extract publication that locks in the official figure. Traders will also watch whether the platform’s funding rails are working smoothly on the day, since a fast SEPA transfer or a quick USDC deposit can bring in fresh liquidity, while payment friction tends to suppress late position-building. In a market settling from official weather data, the last few hours are usually where flow, not just forecast, decides how accurately the price tracks the likely maximum.[1]

Sources: 1

Methodology

This page compares Highest temperature in Hong Kong 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

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.

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).

Are payment details protected?

Yes. Card and bank details are never stored by Polymarket Klarna UK — they pass directly through PCI-DSS compliant payment service providers (Adyen, Stripe). Polymarket Klarna UK retains only transaction IDs and Klarna reference numbers for reconciliation.