| Spread | Total | ML | Best ML | |
|---|---|---|---|---|
â–¶Spain | -1.5 34%34% | O 2.5 54%54% | 60%74% | 74% Polymarket |
â–¶Belgium | +1.5 66%66% | U 2.5 46%46% | 17%26% | 26% Polymarket |
▶Draw | — | — | 25%24% | 25% Kalshi |
| Spread | Total | Moneyline | Best ML | |
|---|---|---|---|---|
â–¶Spain | -1.5 | O 2.5 | 74% Polymarket | |
â–¶Belgium | +1.5 | U 2.5 | 26% Polymarket | |
▶Draw | — | — | 25% Kalshi |
Spain is the clear side in the World Cup quarterfinal against Belgium, sitting near a 59% devigged implied probability to win in regulation once each platform's three-way market is normalized to 100%. The raw Kalshi-versus-Polymarket gap on Belgium looks like a cross-platform edge, but it is a vig artifact: Kalshi prices the win, draw, and win as a linked set that sums to roughly 102%, while Polymarket prices them as independent binaries that oversum to about 124%. After removing the overround, both books agree Spain wins around 59% of the time, and the disagreement is only in how the remaining tail splits between the draw (near 22%) and a Belgium win (near 19%). Spain has yet to concede a goal in the tournament across six straight clean sheets; Belgium carries an 18-match unbeaten run and thrashed the United States 4-1 in the round of 16.
Spain enters the July 10, 2026 quarterfinal as the defensively dominant side of the bracket, and the three-way market reflects it. Once each platform is devigged to a true 100%, Spain wins in regulation about 59% of the time, the draw sits near 22%, and Belgium wins near 19%. The board is deep, spanning the moneyline, spread, goal totals, and per-team scoring markets, and it carries roughly $11.1M in cumulative volume across both platforms.
Soccer is a three-outcome market, and that is exactly why the raw cross-platform prices look mispriced when they are not. Kalshi lists Spain, the draw, and Belgium as a linked set that sums to about 102%, so its overround is only two points. Polymarket lists the same three outcomes as independent yes-or-no binaries that sum to roughly 124%, so its overround is 24 points, and that extra juice lands disproportionately on the two longshots. Normalize both books and the picture converges: Spain reads 58.8% on Kalshi and 59.7% on Polymarket, a difference inside the rounding. There is no arbitrage here. The only real split is on the tail, where Kalshi prices the draw higher (24.5%) and Polymarket prices a Belgium win higher (21.0%). Treat any single-outcome gap between the two books as a devig artifact, not a free edge, and compare only after normalizing. The moneyline held flat across the snapshot window captured on the board, with Spain's price stable on both platforms.
Spain topped Group H on seven points after a scoreless draw with Cape Verde, a 4-0 win over Saudi Arabia, and a 1-0 win over Uruguay, then beat Austria in the round of 32 and edged Portugal on a late Mikel Merino goal. The defining number is zero: Spain has not conceded a goal at these finals, a record six consecutive clean sheets. Rodri anchors the pivot with Pedri and Dani Olmo ahead of him, Mikel Oyarzabal leads the line, and 18-year-old Lamine Yamal leads the entire tournament in completed dribbles. Belgium topped Group G, edged Senegal 3-2 in the round of 32, and dismantled the United States 4-1 behind a Charles De Ketelaere brace with Kevin De Bruyne rested entirely for the quarterfinal. Belgium carries an 18-match unbeaten run and gets De Bruyne back, but loses Amadou Onana to a tournament-ending ACL injury. Historically Spain has won nine of the last eleven meetings since 1980, though Belgium eliminated Spain on penalties in the 1986 quarterfinal.
The spread market reinforces the moneyline read without contradicting it. A Spain win by two or more goals prices near a one-in-three shot, while the equivalent Belgium blowout is priced in single digits, consistent with a favorite that wins often but not by wide margins against elite opposition. The goals total centers on 2.5, which trades close to a coin flip, with over 1.5 goals a heavy favorite and over 3.5 a clear underdog. That profile fits both teams' tournament data: Spain wins low-scoring, clean-sheet games, and Belgium has shown it can pour on goals when a defense presses high, as the United States learned. The World Cup winner market and the Golden Boot race both move with this result, since a Spain semifinal berth shortens its title price further.
The three-way moneyline resolves on the regulation result after 90 minutes plus stoppage time on July 10, 2026. Because this is a knockout tie, a level score after 90 minutes settles the market to the draw even though the match itself would continue to extra time and penalties to decide who advances. Spread and total contracts settle on the 90-minute final score by the same convention. Each contract pays out when the game is officially final on the scheduled date.
This quarterfinal feeds the broader FIFA World Cup 2026 hub, the tournament winner market, and the wider soccer markets across both platforms. The winner has the shorter path to the final and a materially better title price the moment this result posts.
Resolves to the regulation result of the Spain versus Belgium World Cup quarterfinal on July 10, 2026, after 90 minutes plus stoppage time. The three-way moneyline settles to Spain, Belgium, or the draw based on the score at full time. Because this is a knockout tie, a level score at 90 minutes resolves the market to the draw, even though the match continues to extra time and penalties to determine which team advances. Spread contracts settle on the 90-minute margin and total contracts on the combined 90-minute goal count. All contracts settle when the match is officially final on the scheduled date, and are voided or rolled per platform-specific rules if the match is canceled or postponed beyond the resolution window.
As of July 10, 2026, Spain to win in regulation trades at 60c on Kalshi and 74c on Polymarket, the draw at 25c and 24c, and Belgium at 17c and 26c. After devigging each three-way market to 100%, Spain sits near 59%, the draw near 22%, and Belgium near 19%.
It is a vig artifact, not an edge. Kalshi prices the three outcomes as a linked set summing to about 102%, while Polymarket prices them as independent binaries summing to about 124%. That extra overround lands on the longshots, so Belgium looks cheaper on Kalshi until both books are normalized, after which they nearly match.
Spain is the clear favorite at roughly a 59% devigged implied probability to win in regulation. Belgium sits near 19% and the draw near 22%, reflecting Spain's six straight clean sheets against Belgium's 18-match unbeaten run.
Both Kalshi and Polymarket list the full board, including the three-way moneyline, spread, and goal totals. Prediction Genius compares the two platforms side by side and devigs the three-way market so the prices are directly comparable.
It resolves on the regulation result after 90 minutes plus stoppage time on July 10, 2026. A level score settles the moneyline to the draw, even though the knockout tie then goes to extra time and penalties to decide who advances to the semifinal.
The goals total centers on 2.5 and trades near a coin flip, with over 1.5 goals a heavy favorite and over 3.5 a clear underdog. That fits Spain's clean-sheet profile and Belgium's ability to score in bunches against a high press.