Japan vs. Iceland - More Markets

Platform comparison

Active sub-markets

Market context

Japan and Iceland meet in a FIFA International Friendly on 31 May 2026 at 6:25 AM ET. The Polymarket contract for "More Markets" on this fixture currently trades at 0% YES, meaning the crowd assigns negligible probability to additional market contracts being created for this match. On-chain settlement will occur via USDC on Polygon, with conditional tokens reflecting whether supplementary betting markets materialise before the settlement window closes on 31 May at 10:25 AM ET—a narrow four-hour window following kick-off.

Historical precedent suggests Polymarket's market creation follows fixture prominence and trading volume. Friendlies between lower-ranked nations typically attract fewer derivative contracts than competitive qualifiers or tournament matches. Japan ranks 19th in the FIFA standings whilst Iceland sits 79th, positioning this as a relatively minor international fixture. Comparable friendlies involving non-traditional powerhouses have rarely triggered secondary market proliferation unless unexpected circumstances—injury to key players, managerial changes, or geopolitical developments—elevate media attention and retail trader interest.

Traders monitoring this contract should track official team news releases and injury announcements in the week preceding the match. Polymarket's liquidity and market creation decisions depend partly on whether mainstream sports media amplifies the fixture beyond routine coverage. The four-hour settlement window is unusually compressed, meaning any catalyst must surface and drive sufficient on-platform activity before the deadline. Current 0% pricing reflects the base case: a standard friendly generating standard market coverage without triggering additional contract creation.

Methodology

We track Japan vs. Iceland - More Markets on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Kalshi UK, 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?

Kalshi UK 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.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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, Kalshi UK triggers a quick verification flow that finishes in minutes.