Probable forecastWrong · Outcome: no
USMNT's World Cup Knockout Run
The USMNT pulled off a stunning win against Bosnia-Herzegovina despite finishing with ten men, but they face Belgium next — a team Polymarket rates as a 2% shot at the title.
Probable’s read
Low confidence. Based on prediction-market pricing.
Market cross-check: 5% — Probable's read differs by 47 points, for the reasons below.
In a Round of 16 matchup between evenly rated teams, the base rate for advancement is 50%. ESPN reported the U.S. won while down a man after Folarin Balogun's red card, which signals resilience but also raises questions about squad depth; Polymarket puts the U.S. at only 3% to win the tournament and Belgium at 2%, suggesting the markets see these as closely matched teams. Probable lands at 52% — essentially a coin flip with a slight lean toward the U.S. given home-continent advantage and demonstrated ability to compete shorthanded.
What’s likely. According to ESPN, the USMNT defeated Bosnia-Herzegovina for their first World Cup knockout-round victory since 2002, advancing despite a red card for Folarin Balogun that left them a man down for much of the match. Yahoo Sports confirmed the team advanced to the Round of 16 where they will face Belgium. Polymarket prices the U.S. at just 3% to win the entire tournament, and Belgium at 2%, which implies these two sides are seen as roughly equivalent contenders — making the next match genuinely difficult to call.
The evidence
Prediction markets
Polymarket traders priced the USA at 3% to win the 2026 FIFA World Cup.
3%Source: Polymarket
Polymarket traders priced Belgium at 2% to win the 2026 FIFA World Cup.
2%Source: Polymarket
The synthesis
How Probable got to 52 percent
No direct market on the USMNT vs. Belgium Round of 16 match appears in the provided data, so Probable reasons from the tournament-winner odds as a proxy. Polymarket's 3% for the U.S. and 2% for Belgium to win the whole tournament implies the two teams are very close in overall quality — perhaps with a marginal U.S. edge from home-continent support. The red card Balogun received, reported by ESPN, means the U.S. may enter the Round of 16 with suspension-related roster complications. The combination of the close quality read and that uncertainty keeps this near a coin flip at 52%, with a range of roughly 40 to 65 percent.
Why it matters to you
A U.S. advance past Belgium would be the team's deepest World Cup run in over two decades, carrying enormous viewership and economic implications for a tournament being co-hosted on American soil.
What to watch
Confirmation of whether Balogun's red card triggers an automatic suspension for the Belgium match is the single most consequential piece of news to watch before kickoff.
Further reading
The question we’re forecasting
Will the United States men's national team advance past the Round of 16 at the 2026 FIFA World Cup by July 10, 2026?
Resolves by July 20, 2026.
Resolution
The market resolved no on July 23, 2026. That makes Probable’s read incorrect by our calibration rule (we score “right” when our probability was on the side that actually happened).
See the full track record on the scoreboard.
Correction
Published July 23, 2026
On July 2, 2026, Probable put the United States men's national team's chances of advancing in the World Cup knockout round at 52%, a slim lean toward yes at roughly even odds. The team did not advance, and the forecast resolved against us. At 52% this was always a near-coin-flip call, and the markets and data we leaned on read the situation slightly more favorably for the USMNT than the outcome warranted. Calls this close are a reminder that a narrow majority probability still leaves substantial room to land on the wrong side, and this result nudges our overall calibration record accordingly.
From the briefing
This forecast was published in Probable’s briefing on Thursday, July 2, 2026: Thursday on Probable — Hormuz reopens, but for how long? Plus: USMNT's knockout run, Russia's fuel crisis, and France as World Cup favorite..
Our record: 78% correct across 68 graded forecasts. Every forecast we publish is graded in public. See the scoreboard →
Probable’s forecasts synthesize prediction markets, professional analysts, public opinion, and official data. Drafted with AI from cited sources. Reviewed before publishing. Not financial advice. Methodology · Spot an error?