Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
88% | 12% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
88% | 12% | 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 | 88% |
| 24°C | 9% |
| 25°C | 3% |
| 26°C | 1% |
| 21°C or below | 0% |
| 22°C | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C or higher | 0% |
Market context
The market hinges on whether Qingdao’s highest temperature on 7 July 2026 at Jiaodong International Airport will fall into the designated range, with current crowd sentiment assigning zero probability to a “YES” outcome. Historical data shows Qingdao’s July averages peak near 29°C, with the city’s hottest recorded day reaching 33.1°C in August 2018, suggesting that extreme heat is possible but not typical for early July[3][6]. Comparable cases from recent years indicate that temperatures rarely exceed 31°C in the first week of July, framing the current 0% probability as a rational reflection of seasonal norms rather than an anomaly[2][6].
Traders should monitor real-time weather updates from Wunderground, the official resolution source, alongside regional climate forecasts from PredictWind, which track daily temperature fluctuations for Qingdao in July 2026[5][7]. While no political debates or campaign-finance disclosures directly influence this weather event, sudden shifts in monsoon patterns or unseasonal heatwaves could act as catalysts, altering the temperature trajectory. The market leans heavily on Wunderground’s hourly data, making it the primary dependency for settlement, with any deviation from expected averages likely to trigger rapid price movements[7]. Recent forecasts from PredictWind suggest stable conditions, reinforcing the low probability of extreme heat[5].
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Highest temperature in Qingdao on July 7? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
FAQ
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- What resolution source is used for elections?
- Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.
- Why do Polymarket and Kalshi differ on elections?
- Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.
- Which political events have the biggest volume?
- US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.
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