Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| 32°C | 100% |
| 24°C or below | 0% |
| 25°C | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 33°C | 0% |
| 34°C or higher | 0% |
Market context
Manila’s highest temperature on 10 August will be set by the top reading at Ninoy Aquino International Airport, not by the rounded “Day High & Low” headline, so the live intraday observation path matters more than the forecast card. Polymarket is pricing the contract in implied probability, with the current crowd at 0% YES, while Kalshi would present the same view as decimal-style pricing and Smarkets/Betfair as exchange odds adjusted for commission, so the same weather call can look different across books even when the underlying event is identical.
The historical frame is straightforward: August in Manila is typically hot and humid, with average highs around 30–31°C and plenty of rain, but the distribution still leaves room for a 31°C or 32°C print on a dry or partly sunny afternoon.[2][6][15][17] Recent market pricing on Polymarket has clustered around the low 30s, with 31°C and 30°C the front-runners in the live book, which is consistent with the climatology rather than a forecast of an extreme spike.[7] That kind of shape usually means traders are leaning on the modal August outcome, not on an unusually cool day.
For catalysts, the main swing factor is the day’s actual weather around Manila’s airport, especially whether showers and thunderstorms keep the afternoon ceiling down or whether breaks in cloud allow a brief heat push.[18] On comparable platforms, the practical differences are execution and access: Polymarket typically offers on-chain trading with broader global reach but heavier wallet friction, while Kalshi’s KYC and US-regulatory scope are tighter; Betfair and Smarkets add traditional exchange mechanics, with fees and bid-ask spreads often more relevant than the headline probability. In this market, any late-morning update from local forecasts or airport observations can move the top bracket quickly, because the settlement source is the observed maximum, not a forecasted high.[18][20]
Methodology
This page compares Highest temperature in Manila on August 10? 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 Robinhood Prediction Markets, 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
- 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.
- 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.
- 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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