Winning ATS%

45%

Notice that when hitting a low 45% ATS, you lose quicker on round robins. Straight wagers would see a loss of -14.1% ROI at this 45% ATS.

Losing ATS%

55%

Teams in round robin

Wins

out of 3

Losses

out of 3

# of ways to come up with this # of wins

Chances of coming up with exactly this # of wins

2 Team Parlay (# of hits)

0

3

1

16.6%

0

1

2

3

40.8%

0

2

1

3

33.4%

1

3

0

1

9.1%

3

8

100.0%

ROI =

Winning ATS%

45%

Losing ATS%

55%

Teams in round robin

Wins

Out of 4

Losses

Out of 4

# of ways to come up with this # of wins

Chances of coming up with exactly this # of wins

2 Team Parlay (# of hits)

3 Team Parlay (# of hits)

0

4

1

9.2%

0

0

1

3

4

29.9%

0

0

2

2

6

36.8%

1

0

3

1

4

20.0%

3

1

4

0

1

4.1%

6

4

16

100.0%

ROI =

ROI =

Winning ATS%

45%

Losing ATS%

55%

Teams in round robin

Wins

Out of 5

Losses

Out of 5

# of ways to come up with this # of wins

Chances of coming up with exactly this # of wins

2 Team Parlay (# of hits)

3 Team Parlay (# of hits)

4 Team Parlay (# of hits)

0

5

1

5.0%

0

0

0

1

4

5

20.6%

0

0

0

2

3

10

33.7%

1

0

0

3

2

10

27.6%

3

1

0

4

1

5

11.3%

6

4

1

5

0

1

1.8%

10

10

5

32

100.0%

ROI =

ROI =

ROI =

Winning ATS%

45%

Losing ATS%

55%

Teams in round robin

Wins

Out of 6

Losses

Out of 6

# of ways to come up with this # of wins

Chances of coming up with exactly this # of wins

2 Team Parlay (# of hits)

3 Team Parlay (# of hits)

4 Team Parlay (# of hits)

5 Team Parlay (# of hits)

0

6

1

2.8%

0

0

0

0

1

5

6

13.6%

0

0

0

0

2

4

15

27.8%

1

0

0

0

3

3

20

30.3%

3

1

0

0

4

2

15

18.6%

6

4

1

0

5

1

6

6.1%

10

10

5

1

6

0

1

0.8%

15

20

15

6

64

100.0%

ROI =

ROI =

ROI =

ROI =