Sheffield Wednesday vs Portsmouth prediction

Sheffield Wednesday

Match start date: Apr 26, 2025

VS

Tournament: England. Championship

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Portsmouth

Our app uses a special algorithm to predict the outcome of the match between Sheffield Wednesday and Portsmouth. This algorithm is designed to detect any inaccuracies in the bookmakers' odds by analyzing a vast amount of input data.

Sheffield Wednesday

For Sheffield Wednesday, we analyze their last 8 matches, taking into account various factors such as the quality of their performance, the match results, the location of the match (whether it was played at home or away), and the strength of their opponents. To determine the strength of the opponents, we look at the results of their previous matches. For each game, we will give the team Sheffield Wednesday conditional points, which later will be used to determine the favorite.

21/04

Home

28 Middlesbrough

2:1

+53

18/04

Away

27 Stoke City

0:2

+4

12/04

Home

23 Oxford United

0:1

+16

08/04

Away

25 Blackburn Rovers

2:2

+27

05/04

Home

28 Hull City

0:1

+21

29/03

Away

23 Cardiff City

1:1

+22

16/03

Home

38 Sheffield United

0:1

+26

11/03

Away

25 Norwich City

3:2

+42

Portsmouth

Similarly, for Portsmouth, we analyze their last 8 matches using the same approach.

21/04

Home

21 Watford

1:0

+30

18/04

Away

25 Norwich City

5:3

+103

12/04

Home

21 Derby County

2:2

+16

09/04

Away

39 Coventry City

0:1

+36

05/04

Away

35 Millwall

1:2

+30

29/03

Home

25 Blackburn Rovers

1:0

+33

15/03

Away

21 Preston North End

1:2

+18

12/03

Home

26 Plymouth Argyle

1:2

+12

Identifying the favourite

After analyzing both teams' last 8 matches, we've assigned 212 points to the home team and 279 points to the away team. This suggests that one team has an advantage over the other. However, it's important to consider that the home team (Sheffield Wednesday) is playing on their own turf, which may slightly improve their chances of winning.

Accumulated points

Sheffield Wednesday 212
Portsmouth 279

To determine what percentage of victories each team achieves at home and away, we've compiled statistics from several recent years to eliminate any chance-related factors. It turns out that 49.18% of victories for the team Sheffield Wednesday occurred in home matches. For the team Portsmouth this indicator is 61.29%. On average, this equates to 55.24%, suggesting a slight advantage for Sheffield Wednesday all other things being equal.

Percentage of home wins by teams

Sheffield Wednesday

Sheffield Wednesday 49.18%

Portsmouth

Portsmouth 61.29%

Average

Average 55.24%

Now, to determine the favorite of the match, we will take 55.24% of the home team's points and 44.77% of the away team's points. It turns out that the favorite of the match is Portsmouth with an advantage of 125 points against 117. If we convert it to a percentage ratio, it will be 51.64% to 48.36%.

Points earned with home win percentage

Sheffield Wednesday 117
Portsmouth 125

Bookmakers odds and probability

Now let's see who the bookmakers consider the favorite and compare their data with our calculations. The bookmakers estimate the probability of a draw in this match at 25.06% with a coefficient of 3.99. The coefficient for the home team's victory is 2.02, and for the away team's victory it is 3.95. If we exclude the draw, the probability of the home team's victory will be 66.21%, and the away team's victory - 33.79%. This differs from our calculations.

Comparison of calculated data with bookmakers

Bookmakers

Sheffield Wednesday 66.21%
Portsmouth 33.79%

Our calculation

Sheffield Wednesday 48.36%
Portsmouth 51.64%

Match prediction

As a result of the analysis conducted, an inaccuracy was found in the bookmaker's line. In our opinion, the probability of Portsmouth's victory is an order of magnitude higher than what the bookmakers think. The difference is 17.36%. The coefficient for the team's victory is 3.95, while in reality, it should be 2.58.

Comparison with bookmakers odds

Home Win

Draw

Away Win

Bookmakers

2.02

3.99

3.95

Our calculation

2.76

3.99

2.58

Our mathematical algorithm has detected significant inaccuracies in the bookmakers' odds for this match. Such a large difference can only mean that we have not taken into account some important factor that allows the bookmakers to set such odds. We cannot confidently recommend using our prediction for betting on this match, as the potential profit will be minimal.

Away Win

3.95

Our prediction statistics

2025 March

QUANTITY 2446

ROI +9.69%

EARNINGS +$23697

2025 April

QUANTITY 2401

ROI +6.95%

EARNINGS +$16694

Week

QUANTITY 371

ROI +15.8%

EARNINGS +$5862

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