U.S. ELECTION PREDICTIONS TRACK RECORD 

2016 Primaries 

Democrat and Republican 

Predictions by William Stickevers

Accuracy: 86.7%

  • Total Predictions: 98
  • Accurate Predictions: 85

Five Thirty Eight:
51/57 accurate predictions, 89% accuracy

PREDICTIONS FOR THE 2016 PRIMARIES
Senator Obama vs. Senator Clinton

Democratic Primaries/Caucuses

Hilary Clinton vs. Bernie Sanders 

Clinton

Sanders

Republican Primaries/Caucuses

Donald Trump vs. Ted Cruz vs. Marco Rubio vs. John Kasich

Trump

Cruz

Rubio

Kasich

Track Record for 99 Primary Elections as of June 15, 2016:

FiveThirtyEightPredictItPolitical Prediction Market (CNN)William Stickevers
89% correct88% correct88% correct87% correct
57 projections97 projections42 projections98 projections
51 correct 85 correct 37 correct 85 correct 
6 incorrect red-x11 incorrect red-x4 incorrect red-x12 incorrect red-x
42 no projection given2 no projection given57 no projection given1 no projection given

Below are current projections for upcoming Republican and Democratic primaries and caucuses, as well as the track record for past elections.  red-x

Included probabilities:

  • FiveThirtyEight, Nate Silver

  • PredictIt.com

  • Political Prediction Market (CNN.com)

  • William Stickevers’ AstroProbability*

*AstroProbability: a composite set of mundane astrology forecasting methods.

February 1

Five Thirty Eight, Nate SilverPredictItWilliam Stickevers’ AstroProbability*
Iowa  Clinton 67%
red-x  Trump 46%
  Clinton 58%
red-x  Trump 60%
  Clinton 55%
red-x  
Trump

February 9

Five Thirty Eight, Nate SilverPredictItWilliam Stickevers’ AstroProbability*
New Hampshire  Sanders 99%
  Trump 69%
  Sanders 90%
  Trump 90%
  Sanders 80%
  
Trump 60%

February 20

Five Thirty Eight, Nate SilverPredictItWilliam Stickevers’ AstroProbability*
Nevada (D)n/a  Clinton 57%  Clinton 50%
South Carolina (R)  Trump 76%  Trump 93%  Trump

February 23

Five Thirty Eight, Nate SilverPredictItWilliam Stickevers’ AstroProbability*
Nevada (R)n/a  Trump 74%  Trump

February 27

Five Thirty Eight, Nate SilverPredictItWilliam Stickevers’ AstroProbability*
South Carolina (D)  Clinton 99% n/a  Clinton 60%

March 1

Five Thirty Eight, Nate SilverPredictItWilliam Stickevers’ AstroProbability*
Alabama  Clinton 99%
  Trump 94%
  Clinton 86%
  Trump 97%
  Clinton 80%
  Trump 85%
Alaska (R) n/ared-x  Trump 90%red-x  Trump 90%
Arkansas  Clinton 97%
  Trump 52%
  Clinton 86%
  Trump 83%
  Clinton 80%
  Trump 50%
Colorado (D)n/a  Sanders 75%  Sanders 75%
Georgia  Clinton 99%
  Trump 88%
  Clinton 99%
n/a
  Clinton 90%
  Trump 80%
Massachusetts  Clinton 94%
  Trump 99%
red-x  Sanders 72%
 Trump 98%
Dem n/a
 Trump 98%
Minnesotan/a  Sanders 70%
red-x  Trump 70%
  Sanders 80%
red-x  Trump 50%
Oklahomared-x  Clinton 51%
red-x  Trump 68%
red-x  Clinton 80%
red-x  Trump 88%
red-x  Clinton 80%
red-x  Trump 55%
Tennessee  Clinton 99%
  Trump 92%
  Clinton 80%
  Trump 95%
  Clinton 85%
  Trump 80%
Texas  Clinton 99%
  Cruz 87%
  Clinton 81%
  Cruz 84%
  Clinton 70%
  Cruz 85%
Vermont  Sanders 99%
Rep n/a
  Sanders 98%
  Trump 95%
  Sanders 90%
  Trump 90%
Virginia  Clinton 99%
  Trump 69%
  Clinton 75%
  Trump 91%
  Clinton 70%
  Trump 50%

March 5

Five Thirty Eight, Nate SilverPredictItWilliam Stickevers’ AstroProbability*
Kansas(D) n/a
red-x  Trump 51%
  Sanders 91%
  Cruz 99%
  Sanders 99%
  Cruz 60%
Kentucky (R)n/ared-x   Cruz 63%  Trump 53%
Louisiana  Clinton 99%
  Trump 96%
  Clinton 99%
  Trump 85%
  Clinton 99%
  Trump 90%
Maine (R)n/a  Cruz 87%red-x  Trump 53%
Nebraska (D)n/a  Sanders 93%  Sanders 90%

March 6

Five Thirty Eight, Nate SilverPredictItWilliam Stickevers’ AstroProbability*
Maine (D)n/a  Sanders 95%  Sanders 90%
Puerto Rico (R)n/a  Rubio 66%  Rubio 60%

As of March 7, 2016:

March 8

Five Thirty Eight, Nate SilverPredictItPolitical Prediction Market (CNN)William Stickevers’ AstroProbability*
Hawaii (R)n/ared-x   Rubio 45%n/ared-x   Rubio 45%
Idaho (R)n/a  Cruz 60%  Cruz 71%  Cruz 55%
Michiganred-x   Clinton 99%
  Trump 90%
red-x   Clinton 93%
  Trump 91%
red-x   Clinton 92%
  Trump 86%
red-x   Clinton 90%
  Trump 85%
Mississippi  Clinton 99%
(R) n/a
  Clinton 99%
  Trump 83%
  Clinton 99%
  Trump 70%
  Clinton 95%
  Trump 70%

as of March 14, 2016:

March 15

Five Thirty Eight, Nate SilverPredictItPolitical Prediction Market (CNN)William Stickevers’ AstroProbability*
Florida Clinton 99%
 Trump 97%
 Clinton 94%
 Trump 93%
 Clinton 98%
 Trump 96%
 Clinton 90%
 Trump 90%
Illinois Clinton 88%
 Trump 62%
 Clinton 53%
 Trump 72%
 Clinton 55%
 Trump 87%
 Clinton 52%
 Trump 80%
Missouri Clinton 54%
Rep: n/a
red-x Sanders 68%
 Trump 54%
red-x Sanders 56%
 Trump 80%
red-x Sanders 50%
 Trump 52%
North Carolina Clinton 99%
 Trump 88%
 Clinton 92%
 Trump 87%
 Clinton 94%
 Trump 85%
 Clinton 95%
 Trump 60%
Ohio Clinton 95%
 Kasich 86%
 Clinton 60%
 Kasich 72%
 Clinton 52%
 Kasich 84%
 Clinton 50%
 Kasich 52%

as of March 20, 2016:

March 22

Five Thirty Eight, Nate SilverPredictItPolitical Prediction Market (CNN)William Stickevers’ AstroProbability*
ArizonaDem n/a
 Trump 84%
 Clinton 90%
 Trump 90%
 Clinton 92%
 Trump 84%
 Clinton 90%
 Trump 85%
Idaho (D)n/a Sanders 81%n/a Sanders 80%
Utahn/a Sanders 75%
 Cruz 96%
 Sanders 77%
 Cruz 96%
 Sanders 80%
 Cruz 90%

as of March 25, 2016:

March 26

Five Thirty Eight, Nate SilverPredictItPolitical Prediction Market (CNN)William Stickevers’ AstroProbability*
Alaska (D)n/a Sanders 93%n/a Sanders 70%
Hawaii (D)n/a Sanders 73%n/a Sanders 60%
Washington (D)n/a Sanders 97%n/a Sanders 85%

as of April 4, 2016:

April 5

Five Thirty Eight, Nate SilverPredictItPolitical Prediction Market (CNN)William Stickevers’ AstroProbability*
Wisconsin Sanders 73%
 Cruz 91%
 Sanders 88%
 Cruz 82%
 Sanders 98%
 Cruz 96%
 Sanders 50%
red-x Trump 50%

as of April 7, 2016:

April 9

Five Thirty Eight, Nate SilverPredictItPolitical Prediction Market (CNN)William Stickevers’ AstroProbability*
Wyoming (D) n/a Sanders 98% n/a Sanders 90%

as of April 10, 2016:

April 19

Five Thirty Eight, Nate SilverPredictItPolitical Prediction Market (CNN)William Stickevers’ AstroProbability*
New York Clinton 97%
 Trump 99%
 Clinton 86%
 Trump 96%
 Clinton 77%
 Trump 99%
 Clinton 80%
 Trump 90%

as of April 25, 2016:

April 26

Five Thirty Eight, Nate SilverPredictItPolitical Prediction Market (CNN)William Stickevers’ AstroProbability*
Connecticut Clinton 76%
 Trump 99%
 Clinton 81%
 Trump 97%
 Clinton 89%
 Trump 99%
 Clinton 90%
 Trump 90%
Delawaren/a Clinton 95%
 Trump 97%
 Clinton 92%
 Trump 99%
 Clinton 90%
 Trump 90%
Maryland Clinton 97%
 Trump 99%
 Clinton 97%
 Trump 94%
 Clinton 98%
 Trump 99%
 Clinton 90%
 Trump 90%
Pennsylvania Clinton 99%
 Trump 99%
 Clinton 96%
 Trump 96%
 Clinton 90%
 Trump 97%
 Clinton 70%
 Trump 80%
Rhode Islandn/a Sander 55%
 Trump 97%
red-x Clinton 85%
 Trump 98%
red-x Clinton 70%
 Trump 90%

as of May 2, 2016:

May 3

Five Thirty Eight, Nate Silver
PredictIt
Political Prediction Market (CNN)
William Stickevers’ AstroProbability* (4/27/16)
Indianared-x  Clinton 91%
  Trump 83%
red-x  Clinton 76%
  Trump 95%
red-x  Clinton 72%
  Trump 92%
red-x  Clinton 80%
  Trump 85%

as of May 9, 2016:

May 10

FiveThirtyEightPredictItPolitical Prediction Market (CNN)William Stickevers’ AstroProbability* (5/5/16)
Nebraska (R) n/a Trump 96%Cruz 94% Trump 80%
West Virginia Sanders 63%
Rep n/a
 Sanders 87%
 Trump 99%
 Sanders 72%
Trump 99%
 Sanders 90%
 Trump 90%

as of May 16, 2016:

May 17

FiveThirtyEightPredictItPolitical Prediction Market (CNN)William Stickevers’ AstroProbability*
Kentucky (D) n/a Clinton 61% n/a Clinton 50%
Oregon n/a Sanders 82%
 Trump 99%
 Sanders 80%
Trump 86%
 Sanders 80%
 Trump 80%

May 24

FiveThirtyEightPredictItPolitical Prediction Market (CNN)William Stickevers’ AstroProbability* (4/29/16)
Washington (R) n/a Trump 99%Trump 70% Trump 85%

as of June 6, 2016:

June 7

FiveThirtyEightPredictItPolitical Prediction Market (CNN)William Stickevers’ AstroProbability* 
California Clinton 90%
 Trump 97%
 Clinton 73%
 Trump 99%
 Clinton 61%
Trump 92%
 Clinton 70%
 Trump 90%
Montana n/a Sanders 97%
 Trump 99%
 Sanders 80%
Cruz 93%
 Sanders 55%
 Trump 80%
New Jersey Clinton 99%
Rep n/a
 Clinton 97%
 Trump 99%
 Clinton 98%
Trump 99%
 Clinton 90%
 Trump 95%
New Mexico n/a Clinton 86%
 Trump 99%
 Clinton 78%
Trump 77%
 Clinton 80%
 Trump 85%
North Dakota (D) n/a Sanders 96% n/a Sanders 55%
South Dakota n/ared-x Sanders 86%
 Trump 99%
red-x Sanders 82%
Cruz 93%
red-x Sanders 50%
 Trump 80%

June 14

FiveThirtyEightPredictItPolitical Prediction Market (CNN)William Stickevers’ AstroProbability* (4/29/16)
District of Columbia (D) n/a Clinton 97% n/a Clinton 95%

July 18-21

FiveThirtyEightPredictItPolitical Prediction Market (CNN)William Stickevers’ AstroProbability* (4/29/16)
Republican National Convention  Trump 92% n/aTrump 85%

July 25-28

FiveThirtyEightPredictItPolitical Prediction Market (CNN)William Stickevers’ AstroProbability* (4/29/16)
Democratic National Convention  Clinton 92% Clinton 97%Clinton 95%

as of July 21, 2016:

November 8

FiveThirtyEightPredictItPolitical Prediction Market (CNN)William Stickevers’ AstroProbability*
U.S. Presidential Election Clinton 60.2% Clinton 66% Clinton 68% 

 

Scroll to Top