United States vs. Belgium

Platform comparison

Market context

On Monday, 6 July 2026, the United States men’s national team will face Belgium in the Round of 16 of the FIFA World Cup at Lumen Field in Seattle, with kickoff at 8 p.m. ET. The match, broadcast on Fox, determines which side advances to the quarterfinals, where a potential clash with Spain looms. Current crowd-implied probability on the prediction market stands at 36% for a US win, while major sportsbooks like DraftKings have shifted the Americans to slight favourites, contrasting with FanDuel’s -110 odds for both teams to progress[2].

Historically, this is the second time in three World Cups the US has met Belgium in the Round of 16, a pattern that underscores the tactical familiarity between the sides[1]. In a March 2026 warm-up, Belgium defeated the US 5–2, exposing defensive frailties that remain a concern[3]. Yet prior perceptions of Belgium as favourites have eroded; recent struggles against Senegal and the US’s improved form under Mauricio Pochettino have narrowed the gap, making the 36% implied probability plausible despite the warm-up loss[2][6].

Traders should monitor injury updates, particularly the confirmed absence of Balogun for the US, and Belgium’s fitness following their Senegal match[6]. The final squad announcements, expected within 48 hours, will clarify whether Belgium can replicate their warm-up dominance or if the US’s tactical adjustments under Pochettino will prevail[2]. As the market converges with sportsbook lines, the divergence between prediction-market odds and analyst consensus offers a clear arbitrage signal for informed participants.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi vs Polymarket, which mirrors the Polymarket order book directly.

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

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi vs Polymarket. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

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.