Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
Market context
Madrid’s temperature on 22 May will depend on how much the city heats under clear, early-summer conditions at Barajas airport. Late May in Madrid is typically warm rather than extreme, with normal daytime highs around the low to mid-20s Celsius, but the city can still surge into the high 20s on a bright, dry day. Historical records from Madrid show that very hot May readings are possible, yet they are uncommon; most comparable late-May days finish well below heatwave levels, which is why the market’s 0% yes price sits more on the side of an ordinary warm day than a record-breaker.
For traders, the key catalyst is the local afternoon forecast and whether cloud cover or a passing disturbance suppresses the daytime peak. The Wunderground history page for Adolfo Suárez Madrid-Barajas Airport will ultimately settle the market, so the relevant watchpoint is the highest hourly reading logged before 12:00 UTC. Madrid’s climate is generally dry and sunny in May, but modest shifts in wind direction, humidity and cloud can move the day’s maximum by several degrees. In practical terms, a bullish move for a higher temperature range needs a clean, sunny midday and early-afternoon build; a weaker reading is more likely if the morning starts cool or if cloud arrives before the daily peak.
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Highest temperature in Madrid on May 22? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
FAQ
- Where can I trade this market with the lowest fees?
- On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- What does it cost to trade on PolyGram?
- Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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.
Trade Highest temperature in Madrid on May 22? on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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