Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
84% | 16% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
84% | 16% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 34°C | 84% |
| 35°C | 11% |
| 36°C | 3% |
| 28°C or below | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 37°C | 0% |
| 38°C or higher | 0% |
Market context
The underlying event is the peak daytime temperature recorded at Lucknow’s Chaudhary Charan Singh International Airport on 7 July 2026, measured in degrees Celsius and sourced from Wunderground. Current crowd-implied probability sits at 0% for the market’s “YES” outcome, suggesting traders believe the threshold in question is unlikely to be met, despite July typically seeing highs between 35°C and 39°C (96°F to 103°F) in Lucknow[1].
Historically, Lucknow has experienced extreme heat, with its hottest day reaching 47.8°C on 12 June 2025, and June 2026 marking the hottest in five years at 44.7°C[4][8]. Recent data shows a maximum of 105.8°F (46.0°C) on 26 June 2026, just days before the settlement window[3]. These comparable cases indicate that while 33°C is well within normal range, the market may be pricing a higher threshold—possibly 40°C or above—as the “YES” condition, which aligns with the 0% probability given current conditions[2].
Traders should monitor the India Meteorological Department’s daily forecasts and any heatwave announcements, as recent reports confirm Lucknow hit 43.4°C on 26 June, four degrees above normal, amid an ongoing heatwave[6]. Macro crypto factors such as BTC funding rates and USDC liquidity flows may also influence position sizing, especially if whale activity spikes ahead of settlement. With settlement ending 12:00 UTC on 7 July, real-time Wunderground updates will be the definitive resolution source[5].
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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.
- 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 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.
- 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.
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