Highest temperature in Beijing on July 10?

Platform comparison

Market context

The underlying event is the peak temperature recorded at Beijing Capital International Airport on 10 July 2026, with the market pricing a 99% chance that the reading will fall within the expected range. Historical data confirms July is Beijing’s hottest month, averaging 87°F (30.6°C) with daily highs typically spanning 84°F to 91°F (29°C–33°C), making extreme deviations unlikely under current conditions[1][6]. Past records show the city recently endured 27 consecutive days above 35°C, reinforcing the reliability of high-temperature forecasts in mid-summer[10].

Traders should monitor the 10-day forecast trend for sudden shifts in cloud cover or precipitation, as heavy rain could suppress peak temperatures below the expected range[2]. The settlement relies on Wunderground’s official daily high, so any data latency or station anomalies near noon UTC could impact resolution accuracy[8]. While crypto macro factors like BTC funding rates or USDC liquidity flows do not directly influence weather, whale activity on prediction exchanges may signal confidence in the 99% YES position, especially if spot volatility rises ahead of settlement[9].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reads Highest temperature in Beijing on July 10? on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

What are crypto prediction markets?

Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.

Why USDC and not ETH or USDT?

USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.

What does a transaction cost on Polygon?

Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.

How volatile are crypto prediction markets?

Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.

Which crypto markets exist on Polymarket?

Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.