Portland State vs Idaho State College Basketball Prediction, Odds, Picks, Best Bets for Big Sky Tournament

The No. 1 seed Portland State Vikings (19-10, 13-5 Big Sky) square off in the Big Sky tournament against the No. 9 seed Idaho State Bengals (13-19, 5-13 Big Sky) on Sunday at Idaho Central Arena, beginning at 7:30 p.m. ET.

Before you place your bet on this matchup at FanDuel Sportsbook, here are the NCAA basketball odds and spreads you need to know.

Portland State vs. Idaho State Game Info and Odds

• Game day: Sunday, March 8, 2026
• Game time: 7:30 p.m. ET
• TV channel: ESPN+
• Location: Boise, Idaho
• Arena: Idaho Central Arena

Before placing a wager on Sunday's Portland State-Idaho State spread (Portland State -7.5) or total (140.5 points), take a look at the betting insights and trends below.

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Portland State vs. Idaho State: ATS Betting Stats and Trends

• Portland State has won 18 games against the spread this season, while failing to cover eight times.
• Idaho State has put together a 14-15-0 ATS record so far this season.
• As a 7.5-point underdog or more in 2025-26, Idaho State is 4-1 against the spread compared to the 3-2 ATS record Portland State racks up as a 7.5-point favorite.
• In home games, the Vikings own a worse record against the spread (7-4-0) compared to their ATS record on the road (11-4-0).
• Against the spread, the Bengals have had better results away (7-8-0) than at home (5-6-0).
• Against the spread, in conference action, Portland State is 11-7-0 this season.
• Idaho State's Big Sky record against the spread is 6-13-0.

Portland State vs. Idaho State: Moneyline Betting Stats

• Portland State has been victorious in 14, or 82.4%, of the 17 contests it has been chosen as moneyline favorites in this season.
• This season, the Vikings have been victorious five times in eight chances when named as a favorite of at least -240 or better on the moneyline.
• Idaho State has been the moneyline underdog 16 total times this season. Idaho State has gone 3-13 in those games.
• The Bengals have not won a game when it entered play as a moneyline underdog with odds of +195 or longer in six chances.
• Sportsbooks have implied with the moneyline set for this matchup that Portland State has a 70.6% chance of pulling out a win.

Portland State vs. Idaho State Head-to-Head Comparison

• Portland State was 129th in the country in points scored (75.6 per game) and 91st in points allowed (69.6) last season.
• On the glass, Portland State was 75th in the country in rebounds (33.6 per game) last year. It was 77th in rebounds conceded (29.6 per game).
• At 14.6 assists per game last year, Portland State was 99th in the country.
• Last year, Portland State was 277th in the nation in turnovers committed (12.2 per game) and 27th in turnovers forced (13.8).
• Idaho State put up 74.3 points per game (157th-ranked in college basketball) last season, while ceding 70.0 points per contest (110th-ranked).
• With 26.4 rebounds allowed per game, Idaho State ranked sixth-best in college basketball. It ranked 39th in college basketball by averaging 34.9 boards per contest.
• Idaho State delivered 13.3 dimes per game, which ranked them 203rd in the country.
• Last season Idaho State averaged 10.1 turnovers per game (79th-ranked in college basketball) and forced 11.5 turnovers per contest (153rd-ranked).

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