Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Klarna UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 92-93°F | 100% |
| 83°F or below | 0% |
| 84-85°F | 0% |
| 86-87°F | 0% |
| 88-89°F | 0% |
| 90-91°F | 0% |
| 94-95°F | 0% |
| 96-97°F | 0% |
| 98-99°F | 0% |
| 100-101°F | 0% |
| 102°F or higher | 0% |
Market context
Houston will reach its peak daily heat on 10 July 2026 at William P. Hobby Airport, with the market betting on whether that high hits a specific Fahrenheit threshold. Historical records show July 10 has previously delivered 105°F (in 1954) and 104°F (in 2022), while typical July highs in Houston range from 92°F to 95°F, rarely exceeding 100°F[1][3][4]. The current 0% YES probability suggests the crowd expects the temperature to fall below the market’s upper threshold, aligning with recent patterns where this week’s highs hovered near 98°F rather than breaking triple digits[1].
Traders should monitor the National Weather Service’s daily forecasts for Houston and real-time updates from Weather Underground, the official resolution source, as cloud cover and humidity shifts can alter peak temperatures by several degrees[1][2]. A key dependency is the absence of a major heat dome; if the Gulf of Mexico delivers moist air instead of dry, hot continental flow, highs may stay near the 95–98°F band. Recent forecasts for mid-July 2026 indicate consistent highs near 98°F, reinforcing the low probability of extreme heat[1].
The market’s book depth reflects funding flows tied to payment friction: Klarna on-ramps and SEPA deposits drive liquidity, while USDC withdrawal rails determine how quickly traders can exit. Traction here correlates with deposit speed and fee transparency, as users prefer platforms where capital moves seamlessly between prediction positions and fiat wallets. Depth in this weather market is thus a function of payment infrastructure reliability, not just meteorological uncertainty.
Methodology
This page compares Highest temperature in Houston on July 10? 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.
- 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.
- 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).
- 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.
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