Japan vs. Iceland

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Market context

Japan and Iceland are scheduled to meet in a FIFA International Friendly on 31 May 2026, with the match currently priced at 100% probability of occurring. The fixture sits within a broader international calendar window that typically sees confirmed friendlies proceed unless extraordinary circumstances—such as security concerns, natural disasters, or major player availability crises—force cancellations. At this stage, roughly eighteen months before kick-off, both nations have publicly committed to the fixture as part of their pre-tournament preparation cycles.

Historical precedent suggests friendlies between established football nations rarely cancel once formally scheduled and announced. Japan and Iceland have maintained regular diplomatic and sporting relations, with no geopolitical tensions that would threaten fixture completion. The 100% crowd assessment reflects the baseline expectation that two UEFA and AFC-affiliated nations will honour a mutually agreed friendly. Cancellations of such matches typically occur only when squad availability becomes impossible—such as during major injury crises or unexpected international tournament scheduling conflicts—rather than from bilateral disputes.

Traders should monitor FIFA's official fixture calendar for any schedule adjustments and watch for injury announcements from either nation's qualifying campaigns leading into summer 2026. Japanese and Icelandic domestic league calendars will influence squad release timings. Any unexpected diplomatic incidents or security alerts affecting either nation could theoretically shift the probability, though such events remain low-probability tail risks at present. The settlement window closes 31 May at 10:25 UTC, giving roughly four hours after typical match start times for final confirmation.

Methodology

We track Japan vs. Iceland 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

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Is this market available outside the US?

Prediction Today 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.

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.

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, Prediction Today triggers a quick verification flow that finishes in minutes.