Opening 2026 March Madness Odds – Duke, Houston & Purdue Favored to Win 2026 Nat’l Championship

• The odds to win March Madness 2026 have been posted at online sportsbooks
• Duke and Houston, the top-two teams at KenPom last season, are the early favorites
• See the 2026 March Madness championship odds for the top-30 teams on the board

Still an entire year away, the 2026 NCAA Tournament is in the spotlight at sportsbooks now that the 2025 season has reached is finale. The early 2026 March Madness odds feature a familiar name at the very top – Duke – despite massive roster turnover being inevitable for the Blue Devils. The table below lists the opening 2026 March Madness title odds for the early top-30 betting favorites.

March Madness Title Odds 2026

Duke has opened as the +950 favorite to win the 2026 national championship, which amounts to a 9.52% implied win probability. Second-favorite Houston is +1200 (7.69%) while co-third-favorites Louisville and Purdue are +1400 (6.67%). BYU, which has the top incoming recruit in the nation (AJ Dybantsa), rounds out the top-five favorites at +1500 (6.25%).

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Who Will Duke Have (Left) Next Season?

Reigning national player of the year Cooper Flagg (19.2 PPG, 7.5 RPG, 4.2 APG) is set to be the #1 pick in the 2025 NBA draft. On top of that, teammate Kon Knueppel (14.4 PPG, 4.0 RPG, 2.7 APG) is a likely lottery pick, while Khaman Malauch (8.6 PPG, 6.6 RPG), Tyrese Proctor (12.4 PPG, 3.0 RPG, 2.2 APG), and Sion James (8.6 PPG, 4.2 RPG, 2.9 APG) are also possible first-rounders and likely to turn pro next season regardless.

In other words, it’s going to be a big-time restocking of the shelves for coach Jon Scheyer.

The good news in Durham is that the Boozer twins, Cameron and Cayden, are on the way. Fraternal twins of former Blue Devil Carlos Boozer, they both rank in the top 20 of the ESPN 100 recruits (6’9 power forward Cameron at #3 and 6’4 point guard Cayden at #16).

Yet, there is little rationale for Duke to open as the +900 favorite. Yes, last year’s team was record-setting in terms of its offensive rating (highest ever in the KenPom era). But they’re likely to lose all of their top-five scorers.

Houston Will Lose Plenty of Production as Well

Houston doesn’t have the same level of NBA talent as Duke, but junior guard Milos Uzan (11.5 PPG, 3.0 RPG, 4.3 APG) projects as a second-round pick while leading scorer LJ Cryer (15.6 PPG, 2.3 RPG, 2.0 APG) and leading rebounder J’Wan Roberts (10.7 PPG, 6.5 RPG, 1.8 APG) are both seniors, as is rotation player Mylik Wilson (17.4 MPG, 5.5 PPG, 4.1 RPG).

Kelvin Sampson is quickly turning the Cougars into a recruiting giant, though. Houston has three top-20 recruits coming in, led by 6’10 center Chris Cenac Jr (#6 in the nation, per ESPN).

Purdue Could Return Everyone (Who Matters)

One team that stands out as good value in the opening odds is the Purdue Boilermakers, who went 24-12 (13-7 in Big Ten play) and reached the Sweet 16 before losing by a single bucket to Houston. Matt Painter’s team only had one senior on the roster., and none of last year’s Boilermakers feature in any NBA mock drafts at this point.

In other words, barring transfers and/or injuries, Painter could have each of his top-seven scorers back next season, led by soon-to-be-senior Braden Smith (15.7 PPG, 4.5 RPG, 8.7 APG) and dynamic big-man Trey Kaufman-Renn (20.1 PPG, 6.5 RPG, 2.2 APG). Purdue’s Achilles heel all season was its defense, especially on the interior. It’s easier to improve team defense over the summer than suddenly become an offensive force, which Purdue already is.

The Boilermakers finished 16th overall in the KenPom Net Ratings, seventh on offense but just 53rd on D.