Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative) Pick polygram.ink (preferred broker) |
99% | 1% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
99% | 1% | 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 |
|---|---|
| 30°C | 99% |
| 24°C or below | 0% |
| 25°C | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 34°C or higher | 0% |
Market context
Manila faces its peak wet-season conditions on 11 July 2026, with long-term averages capping daytime highs at 31°C amid heavy rainfall and very high humidity[2][3]. The settlement relies on the Ninoy Aquino International Airport station, where July historically sees 21 rainy days and 389mm of precipitation, suppressing extreme heat compared to the dry months of March and April[2][3]. This climatic reality explains the crowd-implied 0% probability for higher temperature brackets, as the wet season typically limits maximums to the 26–31°C range rather than the 32–35°C spikes seen in the dry season[2].
Traders should monitor the Manila Times’ daily 5pm weather briefings for real-time deviations from the 31°C average, as tropical storm passages can further lower temperatures or cause sudden spikes[3][7]. While AccuWeather forecasts a July 2026 range of 84–90°F (29–32°C), the specific airport station data from Wunderground remains the definitive resolution source, creating a divergence point for platforms like Kalshi that may use different aggregation methods versus Polymarket’s direct Wunderground feed[1][Market description].
Platform mechanics further distinguish this market: Polymarket displays implied probabilities like the current 0% YES, whereas Kalshi and Betfair typically quote decimal odds, altering how traders assess the near-zero likelihood[Market description]. Fee structures also vary significantly, with Smarkets offering lower commissions than many competitors, while KYC requirements differ between the permissioned Kalshi and the more accessible Polymarket, impacting liquidity depth for this specific weather event[Market description].
Methodology
This page compares Highest temperature in Manila on July 11? specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Alternative, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.
FAQ
- 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.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- 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.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Polymarket Alternative 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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