Highest temperature in Taipei on August 1?

Platform comparison

Market context

Taipei’s afternoon high on 1 August will be measured at Songshan Airport, and the market settles on the single highest temperature recorded there during the day in **degrees Celsius**, with outcomes determined by the Wunderground history page for RCSS. Because the window closes at 12:00 UTC, traders are really pricing the peak before late-day weather can still move the tape, and any update to the station record before the following day’s first datapoint can matter for resolution.

A **0%** crowd-implied probability on any specific temperature band is usually a sign of either thin liquidity or a market still searching for the most plausible heat bucket rather than a firm forecast. Seasonal context points the other way: Taipei’s August climate is typically hot, humid, and often in the low-to-mid 30s Celsius, with published monthly guides placing average highs around 33–34°C and allowing for hotter spikes, including a recent May extreme of 38.3°C at Taipei’s weather station as reported by TaiwanPlus News.[2][7][10][20]

The key catalysts are the same ones that move short-dated weather contracts elsewhere: morning model updates, afternoon convection, and whether cloud cover or rain suppresses the day’s max. For a crypto-native trader, the practical angle is that this is a USDC-settled event with no direct BTC or ETH sensitivity, so any move in the book is more likely to reflect weather data flow, liquidity, and cross-market arbitrage than macro beta; if you are watching broader risk tone, exchange spot and funding can still affect overall appetite, but they do not alter the underlying temperature outcome.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reads Highest temperature in Taipei on August 1? 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

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.

Can I use Bitcoin directly?

No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.

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.