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Highest temperature in Seoul on May 28?

Polymarket vs Kalshi vs Betfair vs Smarkets for "Highest temperature in Seoul on May 28?" — live odds, fees and KYC side-by-side.

0% YES 100% NO Volume: $182K Liquidity: $130K Closes: 28 May 2026
Trade on Polymarket Alternative →
Highest temperature in Seoul on May 28?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket Alternative Pick
polygram.ink
0% 100% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open on Polymarket Alternative →
Polymarket
polymarket.com
0% 100% 0% Geo-blocked in US/UK/EU USDC, on-chain Open on Polymarket Alternative →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Open on Polymarket Alternative →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Open on Polymarket Alternative →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Open on Polymarket Alternative →

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 Polymarket Alternative.

Active sub-markets

15°C or below0% YES100% NO
16°C0% YES100% NO
17°C0% YES100% NO
18°C0% YES100% NO
19°C0% YES100% NO
20°C0% YES100% NO

Market context

Based on real-money crowd forecasting, highest temperature in seoul on may 28? stands at 0% likelihood according to current market consensus. This market will resolve to the temperature range that contains the highest temperature recorded at the Incheon Intl Airport Station in degrees Celsius on 28 May '26. The resoluti…

Methodology

This page compares Highest temperature in Seoul on May 28? specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to Polymarket Alternative, which mirrors the Polymarket order book at 0% fees.

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

Is this market available outside the US?
Polymarket Alternative 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 does it cost to trade on Polymarket Alternative?
Zero. Polymarket Alternative 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.
Do I need to KYC for this market?
Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Alternative triggers a quick verification flow that finishes in minutes.
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.
and

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