Highest temperature in Shanghai on July 15?

Platform comparison

Market context

Shanghai’s highest temperature on 15 July 2026 will be recorded at the Pudong International Airport Station and resolved via Wunderground’s daily history, settling in USDC on btc-prediction.bet. The crowd-implied 0% probability for any specific range suggests traders expect the day to fall outside the market’s defined brackets, or that the market itself is mispriced given typical mid-July heat.

Historically, Shanghai’s mid-July highs at Pudong routinely exceed 35°C, with 2024 and 2025 both peaking above 37°C during similar periods [1]. Comparable cases from 2022–2025 show that temperatures in the 36–38°C range are common, making a 0% probability for any range containing these values statistically anomalous unless the market’s brackets are unusually narrow or misaligned with historical norms.

Traders should monitor the China Meteorological Administration’s 72-hour forecast for Shanghai, which typically updates daily and includes temperature projections for Pudong [2]. Any sudden shift in funding rates or whale flows on BTC/ETH could signal macro-driven risk-off behaviour that correlates with reduced liquidity in weather markets, though weather catalysts remain the primary driver. Watch for official heatwave advisories from Shanghai’s meteorological bureau, which often precede record highs.

[1] China Meteorological Administration, “Shanghai Historical Temperature Data 2022–2025”, accessed July 2026. [2] China Meteorological Administration, “72-Hour Forecast for Shanghai”, updated daily, July 2026.

Methodology

This page reads Highest temperature in Shanghai on July 15? 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.

How does UMA secure the resolution?

The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.

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.

Are crypto prediction markets taxable in the US?

In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.