Portland State vs. Idaho State betting: Big Sky Tournament preview for March 8

Data Skrive

The top-seeded Portland State Vikings (19-10, 13-5 Big Sky) are 6.5-point favorites in the Big Sky Tournament over the No. 9 seed Idaho State Bengals (13-19, 5-13 Big Sky) on Sunday at Idaho Central Arena. The contest begins at 7:30 p.m. ET and airs on ESPN+, with both teams hoping to move one step closer to an automatic berth in the NCAA Tournament bracket. The matchup’s point total is set at 140.5.

Check out all the Latest NCAA Basketball Betting Previews!

Spread

Portland State Cover -6.5 vs Idaho State -119

Bet $20, Payout $36.81

Portland State vs. Idaho State betting lines

  • Portland State moneyline odds to win: -301
  • Idaho State moneyline odds to win: +238
  • Spread: Portland State (-6.5)
  • Total: 140.5

Portland State statistics, trends and more

Recent trends

  • The Vikings have been racking up 72.0 points per game in their last 10 times on the court, an average that’s slightly lower than the 76.5 they’ve scored over the course of the 2025-26 season.
  • Portland State has been a little improved on the defensive end of the floor of late, allowing 68.9 points per game over its last 10 outings compared to the 69.9 it has conceded per game this year.
  • The Vikings’ 6.6 made three-pointers per-game average over their past 10 games are less than the 6.8 they average on the season, but those 10 games have seen a higher percentage of three-point shots made, 33.7% compared to their season-long percentage of 33.3% from deep.

Portland State betting records this season

  • ATS Record: 18-8-0 (Home: 7-4-0; Away: 11-4-0)
  • ATS Record When Favored by 6.5+: 4-3-0 (As Favorite: 12-5-0; As Underdog: 6-3-0)
  • O-U-P: 10-16-0 (Home: 3-8-0; Away: 7-8-0)
  • Record When Moneyline Favorite: 14-3 (Home: 8-3; Away: 6-0)
  • Record When Moneyline Underdog: 2-7 (Home: 0-0; Away: 2-7)
Field Goal % Opp. Field Goal % Rebounds Opp. Rebounds Assists Turnovers
46.7 (88th in nation) 41.3 (37th) 33.5 (97th) 28.9 (56th) 14.9 (113th) 11.7 (258th)

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

Idaho State statistics, trends and more

Recent trends

  • In their past 10 games, the Bengals are scoring 71.8 points per game, 2.6 fewer points than their season average (74.4).
  • Idaho State is ceding 79.9 points per contest over its previous 10 games, which is 4.0 more points than it is allowing for the season (75.9).
  • The Bengals are draining 6.5 threes per game over their past 10 games, which is 1.2 fewer three-pointers than their average for the season (7.7). Additionally, they sport a worse three-point percentage over their previous 10 games (30.2%) compared to their season average from beyond the arc (33.1%).

Idaho State betting records this season

  • ATS Record: 14-15-0 (Home: 5-6-0; Away: 7-8-0)
  • ATS Record When Underdog by 6.5+: 4-2-0 (As Favorite: 6-7-0; As Underdog: 8-8-0)
  • O-U-P: 16-13-0 (Home: 7-4-0; Away: 8-7-0)
  • Record When Moneyline Favorite: 7-6 (Home: 3-5; Away: 2-1)
  • Record When Moneyline Underdog: 3-13 (Home: 2-1; Away: 1-11)
Field Goal % Opp. Field Goal % Rebounds Opp. Rebounds Assists Turnovers
45.2 (184th in nation) 47.5 (335th) 30.7 (249th) 27.4 (17th) 11.9 (319th) 10.5 (134th)
Author Profile
BetDecider Team

The BetDecider team brings you the most current sports betting content, with expert insights and tips. Our aim is that you can make an informed betting decision, including best odds and exclusive sportsbook offers, to maximize your betting experience.

Ryan Knuppel

Knup Solutions [molongui_author_name]

About Ryan Knuppel

Ryan has been one of the leading sports business & iGaming professionals for over 15 years. He started as a freelance writer and now operates one of the top sports content agencies around, Knup Solutions. He has literally written 10,000 plus sports and betting related articles across the web.

 

Sports Network:

sports20.com, usawager.com, knupsports.com, baseballspotlight.com, basketballarticles.com, betdecider.com, njsportsbookreview.com, dunkelindex.com, sportspub.com, oddschoice.com

 

Betting Guide

How Money Line Works?

Moneyline betting is by far the easiest way to place a sports wager. There are no point spreads to parse, no garbage-time free throws to ruin your betting day, and no last-minute meaningless touchdowns to take you from a winner to a loser.

How to Bet Odds

When we, as sports fans, learned our multiplication tables, we aced the number 7. Seven, 14, 21, 28, 35, 42 were easy because we all watched football on the weekends. Multiplication by sevens, then add a three, a six after a missed PAT.

How to Bet on NFL Games

Baseball is America’s pastime, but football is America’s crazed passion, with its weekly schedule of games, millions of television viewers across the country and the world, and the billion-dollar stadiums that serve as Sunday cathedrals in 32 American cities.

What is the Spread?

If you are a golfer or have ever played on a bowling team, think of a point spread like a handicap. It is a way for two teams of differing abilities to play each other on equal footing.  The better team, and the favorite in the game, gives a certain amount …