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Valkyries Stun Aces 87-77 as XO Sports Model Misses the Call

The Golden State Valkyries came into Michelob ULTRA Arena on October 9th, 2026 as underdogs, and they left with a statement. Final score: Golden State Valkyries 87, Las Vegas Aces 77. It was a convincing road win that sent a clear message around the league, and it left the XO Sports AI model on the wrong side of the ledger for the night.

The Game That Defied Expectations

Las Vegas entered this one with home-court advantage and plenty of motivation heading deep into the 2026 WNBA season. The Aces are a franchise built to win in big moments, and their crowd at Michelob ULTRA Arena is one of the most energetic in the league. But Golden State had other plans.

The Valkyries came out with purpose and execution. Their offense found rhythm early and they never allowed Las Vegas to settle into the dominant inside game that makes them so dangerous. Golden State’s ten-point margin of victory tells the full story. This was not a scramble at the buzzer. This was a controlled, confident performance from a team that is growing into a genuine contender.

Las Vegas kept pushing, as you would expect from a team of their caliber, but they could never find the consistent stretches needed to flip the momentum back in their favor. At 77 points, the Aces finished below their usual offensive standard, which made the gap feel even wider on the final box score.

Where the XO Sports Model Landed

Let’s be straightforward about it. The XO Sports AI model did not get this one right. Heading into tip-off, the model projected a narrow home victory, predicting the Las Vegas Aces to win with a projected score of Aces 80, Valkyries 78. The model assigned a win probability of roughly 55.5 percent in favor of Las Vegas, reflecting genuine uncertainty about the outcome but still leaning toward the home side.

The Valkyries had different ideas. Instead of a two-point Aces edge, Golden State flipped the script with a ten-point road victory. The model read the matchup as a close, home-favored contest. What actually unfolded was an away team that controlled the game far more decisively than any pregame projection suggested.

Misses like this are part of sports prediction. Even with a probability just above a coin flip, the model pointed toward Las Vegas. Credit the Valkyries for turning in a performance that defied the numbers on the night.

What This Means for Both Teams

For the Golden State Valkyries, this win is significant. A road victory over the Aces, in their building, with this kind of scoring margin, is the type of result that builds a team’s identity. The Valkyries are proving they belong in conversations about the top tier of the WNBA, and nights like this are exactly why fans should be paying attention to their trajectory.

For Las Vegas, this is a result to learn from quickly. The Aces have the talent and the experience to bounce back, but a double-digit home loss is not something a championship-caliber team can brush off without serious reflection. How they respond in their next outing will say a lot about where their season is headed.

Stay Ahead of the Game with XO Sports

Not every prediction lands, and the XO Sports AI model will be the first to own that reality. But the model’s value is built over time, across hundreds of matchups, using data-driven analysis that goes far deeper than a gut feeling or a morning headline. Whether the model nails a tight result or misses on an upset like tonight, it is constantly learning and refining.

If you want to see real-time predictions, projected scores, and win probabilities for every WNBA game this season, head over to XO Sports and explore the platform for yourself. The tools are there to help you watch smarter and follow the game at a deeper level.

What to Watch Next

All eyes will be on how both teams respond in their next matchups. The Valkyries will look to carry this momentum forward and prove that this performance was a sign of things to come rather than a one-night spike. The Aces, meanwhile, will be eager to remind the league why they remain one of the most dangerous franchises in the WNBA. Keep it locked to XO Sports for updated predictions and analysis as the 2026 season continues to heat up.