Louisville basketball getting 40/1 national championship odds

I get the odds going up after Nanu's declaration, but the fact that they've quadrupled since April doesn't make a lot of sense.

Anyway, here are your final preseason national championship odds:

Odds to win the 2017 NCAA Men's Basketball Championship

Team                 4/6/16               10/6/16             Current Odds (11/10/16)

Duke                            9/2                    4/1                    15/4

Kansas                         10/1                  10/1                  7/1

Kentucky                      6/1                    15/2                  7/1

Arizona                         22/1                  14/1                  16/1

North Carolina               12/1                  16/1                  16/1

Oregon                         20/1                  16/1                  16/1

Wisconsin                     25/1                  16/1                  16/1

Michigan State              12/1                  16/1                  20/1

Syracuse                      50/1                  25/1                  20/1

Villanova                       8/1                    10/1                  20/1

Indiana                          20/1                  25/1                  33/1

Virginia                         20/1                  25/1                  33/1

Connecticut                   33/1                  40/1                  40/1

Louisville                      10/1                  25/1                  40/1

Texas                           50/1                  66/1                  40/1

Xavier                           25/1                  33/1                  40/1

Gonzaga                       66/1                  66/1                  50/1

Purdue                          33/1                  50/1                  50/1

UCLA                            66/1                  50/1                  50/1

California                      100/1                66/1                  66/1

Maryland                       33/1                  50/1                  66/1

NC State                       66/1                  66/1                  66/1

West Virginia                 28/1                  50/1                  66/1

Iowa State                     40/1                  66/1                  75/1

Miami Florida                40/1                  66/1                  75/1

Oklahoma                     50/1                  66/1                  75/1

Florida                          75/1                  100/1                100/1

Iowa                             75/1                  100/1                100/1

Michigan                       66/1                  66/1                  100/1

Texas A&M                   66/1                  100/1                100/1

Baylor                           60/1                  66/1                  150/1

Butler                            100/1                100/1                150/1

Cincinnati                      100/1                100/1                150/1

Georgetown                  150/1                100/1                150/1

Florida State                 150/1                150/1                150/1

Ohio State                    100/1                150/1                150/1

Seton Hall                     50/1                  66/1                  150/1

USC                             150/1                150/1                150/1

Wichita State                 66/1                  100/1                150/1

Arizona State                100/1                100/1                200/1

Dayton                         150/1                200/1                200/1

Notre Dame                  100/1                200/1                200/1

San Diego State            200/1                200/1                200/1

South Carolina              200/1                200/1                200/1

St Mary's CA                 200/1                200/1                200/1

Tennessee                    200/1                200/1                200/1

Vanderbilt                     100/1                200/1                200/1

VCU                             150/1                200/1                200/1

Washington                   500/1                200/1                200/1

Arkansas                      250/1                300/1                250/1

Kansas State                250/1                250/1                250/1

Marquette                     250/1                250/1                250/1

Mississippi State           100/1                300/1                250/1

Pittsburgh                     250/1                250/1                250/1

SMU                             75/1                  100/1                250/1

Alabama                       250/1                300/1                300/1

Colorado                      150/1                300/1                300/1

Georgia                        250/1                300/1                300/1

Georgia Tech                250/1                300/1                300/1

Illinois                           250/1                300/1                300/1

Memphis                       250/1                300/1                300/1

Minnesota                     250/1                300/1                300/1

Mississippi                   250/1                300/1                300/1

Nebraska                      300/1                300/1                300/1

Oklahoma State            250/1                300/1                300/1

St John's                      300/1                300/1                300/1

Virginia Tech                 300/1                300/1                300/1

Wake Forest                 300/1                300/1                300/1

Auburn                          250/1                500/1                500/1

Boise State                   250/1                500/1                500/1

Boston College             1000/1              500/1                500/1

BYU                             150/1                500/1                500/1

Clemson                       250/1                500/1                500/1

Colorado State              250/1                500/1                500/1

LSU                              100/1                300/1                500/1

Massachusetts              500/1                500/1                500/1

Missouri                        300/1                500/1                500/1

Oregon State                250/1                500/1                500/1

Penn State                    500/1                500/1                500/1

St. Joseph's                 500/1                500/1                500/1

Stanford                       300/1                500/1                500/1

Temple                         500/1                500/1                500/1

TCU                              1000/1              500/1                500/1

Valparaiso                    Off the Board    Off the Board    500/1

Washington State          1000/1              500/1                500/1