Washington State Cougars vs San Diego State Aztecs odds, spread & prediction
Washington State Cougars1-7
San Diego State Aztecs3-5San Diego State hosts Washington State on Halloween night in a Pac-12 conference game where both teams are fighting to stay relevant in the second half of the season. The Cougars are skidding, the Aztecs are inconsistent, and BettorEdge is the place to set your own number.
See the full college football board & lines →Washington State Cougars vs San Diego State Aztecs prediction: who is favored
The market favors the San Diego State Aztecs at -127 on the moneyline, a 56% implied chance to win, and -3 on the spread.
BettorEdge community odds as of Oct 30. This is what bettors are pricing, not a pick, and it moves as money comes in.
At a glance
- San Diego State is the -3 home favorite, with Washington State at +3
- Washington State is 1-7 in 2026, losing five straight; San Diego State is 3-5 with a one-game losing streak
- Washington State won both recent meetings, including a 29-26 decision at Snapdragon Stadium in October 2024
Lines at a glance
Where this game is priced right now. Every number is peer to peer, so there is no house margin in it.
Spread
Washington State vs San Diego State preview
The Market and BettorEdge
The fair price in the markets is +127 for Washington State and -127 for San Diego State. If you have a number in mind, BettorEdge lets you set it yourself and trade peer-to-peer with no built-in house vig.
Form and Scoring
Washington State is 1-7 on the season, averaging 18.9 points per game while allowing 27.6. The Cougars have dropped five straight, with losses to Utah State by a single point and a 48-7 blowout of Duquesne as their lone win. San Diego State is 3-5, scoring 26.5 per game but giving up 36.1, including a 14-66 loss at Oregon State two games back. The Aztecs did beat Fresno State 26-23 while Washington State lost to that same Fresno State team 6-26, which is the sharpest common-opponent read available.
Recent Meetings
Over the last two meetings on record, Washington State has won both. The Cougars beat San Diego State 36-13 in September 2025 and 29-26 at Snapdragon Stadium in October 2024. Washington State has some credibility as a road underdog at a venue where they won last year.
How to play it
San Diego State is the home favorite at -3 with the fair market price sitting at -127, but Washington State has won both recent meetings including one at Snapdragon Stadium. The Cougars are 1-7 and skidding badly, so backing them requires conviction against the recent form.
2026 season so far
Every result both teams have posted this season, with scoring averages.
- at WashingtonL 10-24
- at Kansas StateL 7-34
- vs DuquesneW 48-7
- vs ArizonaL 24-34
- vs Fresno StateL 6-26
- at Utah StateL 16-17
- at Oregon StateL 30-48
- vs Boise StateL 10-31
Went 7-6 in 2025. Current streak: L5.
- vs Portland StateW 53-20
- at UCLAL 10-28
- vs James MadisonL 13-26
- at ToledoL 16-41
- vs Texas StateW 31-29
- at Oregon StateL 14-66
- vs Fresno StateW 26-23
- at Colorado StateL 49-56
Went 9-4 in 2025. Current streak: L1.
Common opponents
Teams both sides have already played this season.
- Fresno StateWashington State: L 6-26San Diego State: W 26-23
- Oregon StateWashington State: L 30-48San Diego State: L 14-66
Matchup history
Washington State Cougars and San Diego State Aztecs last played on Saturday, Sep 6, 2025, when the Washington State Cougars won 36–13. Over the last 2 meetings: Washington State Cougars 2, San Diego State Aztecs 0.
SDSUSan Diego State Aztecs@WSUWashington State Cougars13–36WSUWSUWashington State Cougars@SDSUSan Diego State Aztecs29–26WSUMeetings from the last 8 seasons, from ESPN.
Preseason scouting report
Washington State Cougars
- New head coach in Kirby Moore (Missouri Offensive Coordinator)
- New offensive coordinator in Matt Miller (Boise State Co-Offensive Coordinator and WR Coach) and defensive coordinator in Trent Bray (Oregon State Head Coach)
- Starting QB from last season is gone. UC Davis transfer Caden Pinnick is expected to start (3,206 yards, 32 TDs, 10 INTs; 437 rushing yards, 3 rushing TDs)
- Kirby Vorhees returns at RB after a sophomore season of 576 rushing yards and 5 rushing TDs
San Diego State Aztecs
- First season in new conference (Previously in Mountain West)
- New defensive coordinator in Demetrius Sumler (San Diego State CB Coach)
- Jayden Donegal returns at QB after a 2025 season of 1,807 yards, 9 TDs, and 8 INTs
- Lucky Sutton returns at RB after a junior season of 1,297 yards (13th in CFB) and 10 TDs
The rest of the slate
Every other Power 5 game with a live market right now.
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Frequently asked questions
What time does Washington State Cougars vs San Diego State Aztecs start?+
Washington State Cougars at San Diego State Aztecs kicks off Saturday, Oct 31, 7:00 PM ET at Snapdragon Stadium. Start times are listed in Eastern; check your own zone if you are watching from elsewhere.
Who is favored in Washington State Cougars vs San Diego State Aztecs?+
The San Diego State Aztecs are favored at -127 on the moneyline in prediction markets and -3 on the spread. Prices move as money comes in, and on BettorEdge you can set your own number on either side.
What is the spread for Washington State Cougars vs San Diego State Aztecs?+
The spread is San Diego State Aztecs -3, priced by the BettorEdge community rather than a house. Because the market is peer-to-peer you can also set your own number and wait for someone to take it.
What are Washington State and San Diego State's records in 2026?+
The Washington State Cougars are 1-7 and the San Diego State Aztecs are 3-5 this season. Washington State is scoring 18.9 points a game and allowing 27.6; San Diego State is scoring 26.5 and allowing 36.1.
When did Washington State and San Diego State last play?+
They last met on Saturday, Sep 6, 2025, when Washington State Cougars won 36-13 at Martin Stadium. Over the last 2 meetings in the past 8 seasons, Washington State has won 2 and San Diego State 0.
What is the "community lean" on this game?+
It is the share of real money posted on each team on the BettorEdge peer-to-peer order book. Because every price is backed by another bettor, the open interest is a genuine read on what the community believes.
When do the lines lock?+
Markets lock at kickoff, Saturday, Oct 31, 7:00 PM ET. Prices move as money comes in beforehand, so the community lean and the best number can shift right up until the game starts.
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