Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
98% | 2% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
98% | 2% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 34°C | 98% |
| 35°C | 2% |
| 36°C | 1% |
| 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
On 7 July 2026, the highest temperature recorded at Chaudhary Charan Singh International Airport in Lucknow will determine the outcome of a prediction market, with the current crowd-implied probability of a 33°C peak sitting at 0% YES. This real-world event hinges on precise meteorological data sourced from Wunderground, reflecting the official daily maximum for that specific date.
Historical patterns frame this near-zero probability as a market mispricing rather than a climatic certainty. July in Lucknow typically sees daily highs decrease from 96°F to 91°F (35.6°C to 32.8°C), rarely falling below 85°F (29.4°C) or exceeding 103°F (39.4°C)[1]. Recent data shows the highest temperature in the preceding fortnight reached 105.8°F (40.9°C) on 26 June 2026, while the season’s hottest day so far hit 43.4°C in Amausi, four degrees above normal[4][7]. The market’s 1-in-3 pricing for exactly 33°C suggests a divergence between implied probability and decimal odds, a key distinction when comparing platforms like Polymarket against Kalshi or Betfair, where fee structures and KYC requirements further alter trader exposure[2].
Traders should monitor the India Meteorological Department’s daily forecasts and any sudden shifts in shortwave solar energy, which gradually decreases by 0.7 kWh throughout July[1]. A recent report from Scroll.in highlighted Lucknow’s record heat of the season, indicating that extreme anomalies remain possible despite seasonal cooling trends[7]. Platform differences matter here: Polymarket’s decimal odds may obscure the true risk compared to Kalshi’s implied probability model, while Smarkets’ lower fees could attract more liquidity on this specific temperature band. The settlement window ending 12:00 UTC on 7 July 2026 leaves little room for late adjustments, making real-time data from Wunderground critical for accurate positioning.
Methodology
We read Highest temperature in Lucknow on July 7? from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
Resolution & payout
Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.
Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.
FAQ
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- What about Smarkets as an alternative?
- Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Robinhood Prediction Markets has a different geo footprint and routes to Polymarket's order book at 0% fees.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Robinhood Prediction Markets offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
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