Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 36°C | 100% |
| 29°C or below | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 34°C | 0% |
| 35°C | 0% |
| 37°C | 0% |
| 38°C | 0% |
| 39°C or higher | 0% |
Market context
The highest temperature recorded at Taipei Songshan Airport on 1 July 2026 will determine the outcome of this prediction market, with the current crowd-implied probability of a “YES” sitting at 0%. On Polymarket, the contract is priced in USDC on the Polygon network using conditional tokens, and today’s market shows minimal volume across all temperature ranges, with the 29°C or below bin holding $19,433 in volume and less than 1% probability [3].
Historically, July at Taipei Songshan Airport falls within the hot season, which runs from 8 June to 16 September, with average daily highs consistently above 87°F (30.6°C) [2]. Recent data from June shows average highs climbing from 85°F to 91°F (29.4°C to 32.8°C), and current forecasts for 1 July 2026 predict highs near 95°F (35°C) with a 40% chance of precipitation [1][8]. This context makes the 0% YES probability appear inconsistent with typical seasonal patterns, suggesting either a mispricing or an unusual market interpretation.
Traders should monitor real-time updates from Wunderground, the official resolution source, and watch for any sudden shifts in weather forecasts from the Central Weather Administration or AccuWeather, which currently predict afternoon rain and highs of 95°F on 1 July [4][6]. A recent report from Taiwan Plus News noted Taipei reached 38.3°C in May 2026, the hottest day since records began for that month, reinforcing the likelihood of extreme heat in early July [9]. Any official announcements regarding heat advisories or storm schedules could act as catalysts for price movement.
Methodology
This page reviews Highest temperature in Taipei on July 1? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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 PolyGram 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.
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