NIT & NCAA Tournament Probabilities: How Many Upsets to Expect

Our updated postseason tournament probabilities can be found at these links, and they’re also archived below:

Some highlights, after the First Four and the NIT’s First Round:

  • There isn’t much impact from the First Four, or at least not much impact we can separate from the noise of a Monte Carlo simulation process. Favorites won in both the at-large play-in games, leaving Texas and Florida with tougher opponents, something that’s also the case for Marquette and Tennessee, looking ahead to the second round. Texas was more affected here than Florida. Texas had a lot of upside in the scenario where they got to play Virginia.
  • The expected number of NCAA Tournament 1, 2, 3, and 4-seeds to lose is roughly 1.5. We should see one or two upsets in that territory of the bracket these next two days. Among 5 and 6-seeds, the number is roughly 2.75.
  • On Tuesday, the NIT favorites were, in order: Wake Forest, Villanova, Cincinnati, Indiana State, Ohio State, Utah, Seton Hall, and Princeton. Villanova and Princeton were both eliminated (which wasn’t unusual—we expected around two eliminations from this group), but the other six remain our top six, albeit in a slightly different order relative to one another: Wake Forest remains first. Indiana State and Utah jump to second and third. Cincinnati drops to fourth. Ohio State drops to fifth. Seton Hall remains sixth within that group. What happened? Cincinnati and Ohio State were more expected to win their first round games. Also, Wake got a slightly better draw than expected, matching up with Georgia in the second round rather than Xavier, and that took some of the air out of Ohio State’s balloon in particular. Meanwhile, Cincinnati didn’t see Bradley or Indiana State go down.
  • UNLV hosting a second-round game is a big development, as is South Florida hosting one. Both those teams were only 50% likely to host in our previous simulations, and that was even in the event the other unseeded team in their pod won. Combined with the upset of Princeton, UNLV drawing Boston College at home multiplies their championship probability five times. South Florida’s chance grows by a similar multiple.
  • Only one NIT 1-seed went down in the first round, again meeting our rough expectation. The best expectation for this weekend is that another one goes down.
  • The likeliest outcome among the 2-seeds is also just one going down, but that expected number is closer to two while the expected number with the 1-seeds is closer to three.

More on Saturday morning, when the NCAAT’s first round is complete.

For the Archives

TeamSecond RoundQuarterfinalsSemifinalsChampionshipChampion
Wake Forest100.0%80.0%54.1%34.0%19.4%
Indiana State100.0%74.5%46.8%26.2%14.0%
Utah100.0%62.6%44.3%21.3%10.9%
Cincinnati100.0%69.7%33.6%19.2%10.5%
Ohio State100.0%65.3%27.5%16.2%8.5%
Seton Hall100.0%62.3%38.5%15.7%7.0%
Iowa100.0%37.4%26.2%12.4%6.2%
UNLV100.0%63.5%27.7%11.3%5.0%
Virginia Tech100.0%34.8%13.2%7.3%3.6%
North Texas100.0%37.7%18.6%7.2%3.0%
Bradley100.0%30.3%12.3%6.4%2.9%
Boston College100.0%36.6%15.3%6.0%2.4%
South Florida100.0%58.9%16.9%6.1%2.3%
VCU100.0%41.1%12.6%5.1%2.3%
Minnesota100.0%25.5%7.4%3.3%1.2%
Georgia100.0%20.0%5.3%2.4%1.0%
Villanova0.0%0.0%0.0%0.0%0.0%
Princeton0.0%0.0%0.0%0.0%0.0%
SMU0.0%0.0%0.0%0.0%0.0%
San Francisco0.0%0.0%0.0%0.0%0.0%
Appalachian State0.0%0.0%0.0%0.0%0.0%
Saint Joseph’s0.0%0.0%0.0%0.0%0.0%
Loyola (IL)0.0%0.0%0.0%0.0%0.0%
Providence0.0%0.0%0.0%0.0%0.0%
Butler0.0%0.0%0.0%0.0%0.0%
UCF0.0%0.0%0.0%0.0%0.0%
Xavier0.0%0.0%0.0%0.0%0.0%
LSU0.0%0.0%0.0%0.0%0.0%
Kansas State0.0%0.0%0.0%0.0%0.0%
Richmond0.0%0.0%0.0%0.0%0.0%
UC Irvine0.0%0.0%0.0%0.0%0.0%
Cornell0.0%0.0%0.0%0.0%0.0%
TeamFirst RoundSecond RoundSweet 16Elite 8Final 4ChampionshipChampion
Houston100.0%97.4%78.2%55.6%41.9%26.9%16.2%
UConn100.0%98.8%82.3%52.3%36.0%24.9%15.5%
Purdue100.0%98.8%77.6%55.9%35.9%20.6%11.3%
Auburn100.0%89.5%67.1%33.5%20.8%13.5%7.8%
Arizona100.0%95.6%68.7%44.6%27.6%12.9%6.5%
Iowa State100.0%93.4%70.6%43.0%19.0%11.1%6.0%
Tennessee100.0%96.4%65.8%42.5%22.3%11.5%5.4%
North Carolina100.0%98.4%61.2%37.1%19.1%8.1%3.8%
Duke100.0%86.9%56.8%23.4%14.3%7.5%3.3%
Illinois100.0%88.0%55.5%28.6%10.9%6.1%2.9%
Creighton100.0%87.4%60.9%30.3%14.3%6.1%2.6%
Baylor100.0%89.9%52.4%24.3%12.4%4.7%2.0%
Marquette100.0%88.8%51.7%31.5%12.2%5.1%2.0%
Alabama100.0%83.4%49.4%25.0%12.2%4.8%2.0%
Gonzaga100.0%72.0%45.1%18.1%9.0%3.8%1.4%
Kentucky100.0%86.9%50.6%24.9%8.3%3.4%1.2%
BYU100.0%77.3%36.9%16.6%5.4%2.5%0.9%
Wisconsin100.0%67.7%30.8%10.1%5.1%2.1%0.8%
Saint Mary’s100.0%65.1%33.0%14.1%6.3%2.0%0.8%
Kansas100.0%71.6%35.3%12.1%5.1%1.9%0.7%
San Diego State100.0%80.7%27.1%8.2%3.6%1.6%0.7%
New Mexico100.0%56.2%26.9%11.1%5.0%1.8%0.6%
Colorado100.0%52.9%24.8%13.0%4.6%1.9%0.6%
Texas Tech100.0%62.3%31.9%14.2%4.3%1.6%0.5%
Florida100.0%47.1%21.6%10.9%3.6%1.3%0.5%
Michigan State100.0%54.3%22.1%11.0%4.7%1.4%0.5%
Colorado State100.0%49.5%16.8%8.0%3.0%1.1%0.4%
Nebraska100.0%55.1%12.9%5.7%2.8%1.1%0.3%
Texas100.0%50.5%17.0%7.9%2.8%0.9%0.3%
Dayton100.0%50.2%15.1%6.9%3.0%0.8%0.2%
Mississippi State100.0%45.7%16.7%8.3%3.1%0.8%0.2%
Nevada100.0%49.8%15.6%6.7%2.7%0.7%0.2%
TCU100.0%53.9%12.6%5.8%2.1%0.7%0.2%
Clemson100.0%43.9%19.2%6.2%2.6%0.6%0.2%
Utah State100.0%46.1%9.7%4.2%1.4%0.5%0.2%
Texas A&M100.0%44.9%8.5%3.2%1.4%0.6%0.2%
South Carolina100.0%54.8%20.1%6.4%1.9%0.5%0.1%
Washington State100.0%54.1%15.8%5.9%1.5%0.5%0.1%
Florida Atlantic100.0%51.4%9.1%2.9%0.9%0.3%0.1%
Drake100.0%45.9%12.2%4.4%0.9%0.3%0.1%
McNeese100.0%28.0%11.5%2.3%0.7%0.2%0.1%
NC State100.0%37.7%14.9%4.9%1.1%0.3%0.1%
Northwestern100.0%48.6%8.5%2.3%0.8%0.3%0.1%
Grand Canyon100.0%34.9%13.4%3.7%1.2%0.2%0.0%
James Madison100.0%32.3%9.1%1.7%0.5%0.2%0.0%
Oregon100.0%45.2%15.3%4.3%1.1%0.3%0.0%
Yale100.0%10.6%3.4%0.6%0.2%0.0%0.0%
Samford100.0%28.4%8.2%1.5%0.4%0.1%0.0%
Duquesne100.0%22.7%5.3%1.1%0.1%0.0%0.0%
College of Charleston100.0%16.6%4.2%0.7%0.1%0.0%0.0%
Vermont100.0%13.1%3.3%0.3%0.1%0.0%0.0%
Akron100.0%12.6%3.8%0.5%0.1%0.0%0.0%
UAB100.0%19.3%2.5%0.2%0.0%0.0%0.0%
Colgate100.0%10.1%1.5%0.2%0.0%0.0%0.0%
Longwood100.0%2.6%0.4%0.1%0.0%0.0%0.0%
Morehead State100.0%12.0%2.4%0.4%0.0%0.0%0.0%
Long Beach State100.0%4.4%0.6%0.1%0.0%0.0%0.0%
Oakland100.0%13.1%2.7%0.4%0.0%0.0%0.0%
Saint Peter’s100.0%3.6%0.4%0.1%0.0%0.0%0.0%
Western Kentucky100.0%11.2%1.9%0.4%0.0%0.0%0.0%
South Dakota State100.0%6.6%1.4%0.2%0.0%0.0%0.0%
Stetson100.0%1.3%0.1%0.0%0.0%0.0%0.0%
Grambling State100.0%1.2%0.1%0.0%0.0%0.0%0.0%
Wagner100.0%1.6%0.1%0.0%0.0%0.0%0.0%
Boise State0.0%0.0%0.0%0.0%0.0%0.0%0.0%
Montana State0.0%0.0%0.0%0.0%0.0%0.0%0.0%
Virginia0.0%0.0%0.0%0.0%0.0%0.0%0.0%
Howard0.0%0.0%0.0%0.0%0.0%0.0%0.0%
The Barking Crow's resident numbers man. Was asked to do NIT Bracketology in 2018 and never looked back. Fields inquiries on Twitter: @joestunardi.
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