Portland State vs. Montana State betting: College basketball preview for Jan. 31

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Data Skrive

Big Sky foes square off when the Portland State Vikings (13-6, 7-1 Big Sky) host the Montana State Bobcats (13-9, 7-2 Big Sky) at Viking Pavilion, starting at 5 p.m. ET on Saturday, January 31, 2026. The Bobcats are 4.5-point underdogs in the game. The matchup has an over/under of 140.5.

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Portland State Cover -4.5 vs Montana State -108

Bet $20, Payout $38.52

Portland State vs. Montana State betting lines

  • Portland State moneyline odds to win: -200
  • Montana State moneyline odds to win: +165
  • Spread: Portland State (-4.5)
  • Total: 140.5

Portland State statistics, trends and more

As the home team

  • Against the spread, Portland State has fared worse at home, covering three times in six home games, and 10 times in 10 road games.
  • The Vikings have exceeded the over/under less consistently when playing at home, hitting the over in two of six home matchups (33.3%). On the road, they have hit the over in four of 10 games (40%).
  • As a moneyline favorite, Portland State has won a lower percentage of its games when playing at home (.667) compared to away games (1.000).

Recent trends

  • The Vikings have been racking up 75.1 points per contest in their last 10 appearances, an average that’s a little lower than the 78.9 they’ve scored over the course of the 2025-26 campaign.
  • Portland State has been less stingy on the defensive side of the ball lately, giving up 70.9 points per game over its past 10 contests compared to the 70.4 points per game its opponents average over the 2025-26 season.
  • During their past 10 outings, the Vikings are making 0.8 fewer three-pointers per game than their season long average (6.1 compared to 6.9 season-long), while also shooting a lower percentage from beyond the arc in that span (32.3% compared to 33.1% season-long).

Portland State betting records this season

  • ATS Record: 13-3-0 (Home: 3-3-0; Away: 10-0-0)
  • ATS Record When Favored by 4.5+: 2-3-0 (As Favorite: 7-3-0; As Underdog: 6-0-0)
  • O-U-P: 6-10-0 (Home: 2-4-0; Away: 4-6-0)
  • Record When Moneyline Favorite: 8-2 (Home: 4-2; Away: 4-0)
  • Record When Moneyline Underdog: 2-4 (Home: 0-0; Away: 2-4)
Field Goal % Opp. Field Goal % Rebounds Opp. Rebounds Assists Turnovers
47.5 (66th in nation) 41.1 (48th) 34.7 (78th) 28.2 (41st) 16.4 (59th) 12.5 (295th)

Need to know more about sports betting before you put down a wager on Portland State vs. Montana State? Here’s everything you need to know about how to bet.

Montana State statistics, trends and more

As the away team

  • Against the spread, Montana State has had better results away (8-4-0) than at home (4-3-0).
  • Bobcats games have gone above the over/under more frequently at home (five times out of seven) than away (six of 12) this season.

Recent trends

  • While the Bobcats are putting up 79.2 points per game in 2025-26, they have bettered that mark in their past 10 games, amassing 81.0 a contest.
  • Montana State is surrendering 72.1 points per contest over its previous 10 games, compared to its season average of 71.2 points allowed.
  • The Bobcats are making 10.8 treys per game with a 40.4% three-point percentage in their last 10 games, compared to their season averages of 10.2 and 37.1%.

Montana State betting records this season

  • ATS Record: 12-7-0 (Home: 4-3-0; Away: 8-4-0)
  • ATS Record When Underdog by 4.5+: 4-0-0 (As Favorite: 7-5-0; As Underdog: 5-2-0)
  • O-U-P: 11-8-0 (Home: 5-2-0; Away: 6-6-0)
  • Record When Moneyline Favorite: 9-3 (Home: 6-1; Away: 3-2)
  • Record When Moneyline Underdog: 1-6 (Home: 0-0; Away: 1-6)
Field Goal % Opp. Field Goal % Rebounds Opp. Rebounds Assists Turnovers
46.9 (88th in nation) 44.4 (205th) 31.0 (259th) 29.9 (106th) 11.7 (325th) 9.9 (56th)
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