Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi vs Polymarket) Pick polygram.ink (preferred broker) |
93% | 7% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
93% | 7% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 29°C | 93% |
| 30°C | 6% |
| 26°C or below | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 34°C | 0% |
| 35°C | 0% |
| 36°C or higher | 0% |
Market context
On 30 June 2026, the Ninoy Aquino International Airport in Manila faces a day of thundery showers and a gentle breeze, with a forecast maximum of 32°C, rendering the crowd-implied 0% probability for any higher temperature range entirely consistent with current conditions[3]. Historical data frames this expectation: June is not the hottest month at NAIA, with May typically averaging the highest temperatures around 33°C, while daily highs in June rarely exceed 35°C and often dip to 29°C due to monsoon activity[4][9]. Although Metro Manila recorded an all-time peak of 38.8°C in April 2024, such extremes are outliers driven by specific dry-season heat domes, not the wet-season patterns expected in late June[6].
Traders should monitor real-time updates from PAGASA and Wunderground for any sudden shifts in cloud cover or wind speed that might temporarily elevate temperatures, though the prevailing forecast of 81% humidity and rising pressure strongly suppresses heat accumulation[3]. The primary catalyst to watch is the official release of the daily maximum temperature on Wunderground, which will serve as the definitive resolution source for this contract[1]. Recent reports confirm that while heat indices can spike to 45°C under extreme conditions, actual air temperatures in June remain moderated by consistent rainfall and high moisture levels, making a breach of typical ranges highly improbable without a significant, unforecasted atmospheric anomaly[7]. The divergence between sportsbook lines on similar weather events and this prediction market’s zero probability reflects a clear consensus among analysts that the wet season will prevail.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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
- 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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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 Kalshi vs Polymarket 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.
Trade Highest temperature in Manila on June 30? on Kalshi vs Polymarket
Live order book, 0% fees, USDC settlement in seconds.
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