Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
92% | 8% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
92% | 8% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 23°C | 92% |
| 24°C | 7% |
| 25°C | 1% |
| 21°C or below | 0% |
| 22°C | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C or higher | 0% |
Market context
Qingdao is entering a period of intense summer heat, with July 2026 forecasts showing daily highs climbing between 25°C and 32°C, while overnight lows remain warm at 22°C to 24°C. The current crowd-implied probability of 0% for the highest temperature reaching a specific high range suggests traders believe the day will stay within moderate bounds, despite the region’s typical July peaks often hitting 31°C. Historically, Qingdao’s July 7 has seen temperatures averaging 27.7°C, with the warmest day of the month occurring on 31 July, not 7 July. Comparable cases from recent years show that while heat events driven by southwesterly flow from inland China can push readings above 30°C, such spikes are rare on early July dates, making the 0% probability a rational reflection of seasonal norms rather than an outlier bet.
Traders should monitor real-time updates from Wunderground for the Qingdao Jiaodong International Airport Station, as the resolution source depends on the highest temperature recorded at any time on 7 July 2026. Key catalysts include announcements of southwesterly wind surges from inland China, which can trigger sudden heat spikes, and scheduled rainfall events that may suppress temperatures. Recent weather models from AccuWeather indicate a 15% chance of rainfall on 7 July, which could lower peak temperatures by 2–3°C. Additionally, watch for any official heat advisories from local meteorological services, as these often precede temperature spikes. The settlement window ends at 12:00 UTC on 7 July 2026, so timely data from Wunderground is critical for accurate positioning.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Today, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Prediction Today trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
Trade Highest temperature in Qingdao on July 7? on Prediction Today
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