Washington State vs. Oregon State Dunkel Predictions & Vegas Odds - Jan. 4

The Washington State Cougars (7-9, 2-1 WCC) host the Oregon State Beavers (8-8, 1-2 WCC) at Beasley Coliseum, beginning at 7:30 p.m. ET on Sunday, January 4, 2026. The Cougars are 6.5-point favorites in the game. The matchup's over/under is set at 140.5.

Washington State heads into this contest after a 78-76 victory against Loyola Marymount on Friday. In the victory, Rihards Vavers led Washington State with 17 points. Oregon State's most recent contest on Friday ended in an 84-53 loss to Pacific. Keziah Ekissi scored a team-best 12 points for Oregon State in the loss.

Washington State vs. Oregon State Odds and Game Time

• When: Sunday, January 4, 2026 at 7:30 p.m. ET
• Where: Beasley Coliseum in Pullman, Washington
• Spread favorite: Washington State -6.5
• Moneyline favorite: Washington State -302
• Moneyline underdog: Oregon State +240
• Over/Under: 140.5 points

How to watch Washington State vs. Oregon State

• TV Channel: ESPN+
• Check out the rest of our Dunkel Index NCAA Basketball Picks!

Betting the Over/Under: Washington State vs. Oregon State

• This season, 11 of Washington State's 16 games have gone over Sunday's total of 140.5 points.
• There have been nine Oregon State games that finished with a combined score higher than 140.5 points this season.
• Together, the two teams combine for 145.6 points per game, 5.1 points more than the total of 140.5 for this contest.
• The 150.4 points per game these two teams surrender to opponents combined this season are 9.9 more than the 140.5-point over/under in this contest.
• On average, Washington State has seen a 150.1-point over/under in its games this season, 9.6 more points than the over/under in this matchup.
• Oregon State's games have an average over/under of 145.8 points this season, 5.3 more points than the over/under for this matchup.

Betting the Spread: Washington State vs. Oregon State

• In Washington State's 16 games this year, it has six wins against the spread.
• The Cougars have been favored by 6.5 points or more five times this season and have covered the spread in two of them.
• In Oregon State's 16 games this year, it has five wins against the spread.
• The Beavers have covered the spread twice this year when underdogs by 6.5 points or more (in three chances).
• Washington State has two wins against the spread, and is 4-3 overall, at home this season.
• At home, as a 6.5-point favorite or greater, Washington State has one win ATS (1-2).
• Oregon State has two wins against the spread, and are 1-2 overall, in away games.

Betting the Moneyline: Washington State vs. Oregon State

• Washington State has been the moneyline favorite in seven games this season and won six (85.7%) of those contests.
• The Cougars have entered four games this season favored by -302 or more and are 3-1 in those contests.
• Washington State has a 75.1% chance to win this game based on the implied probability of the moneyline.
• Oregon State has been victorious in two of the five contests it has been chosen as a moneyline underdog in this season.
• The Beavers have been listed as an underdog of +240 or more on two occasions this season and split those games.
• The moneyline set for this matchup implies Oregon State has a 29.4% chance of walking away with the win.

Dunkel Index Prediction for Washington State vs. Oregon State

• Pick ATS: Washington State (- 6.5)
• Pick OU: Under (140.5)
  
• Prediction: Washington State 73 - Oregon State 61