Need Hockey Math Sharp Help

[pavyracer]

Jun 01 - 8:00 PM
2011 STANLEY CUP - EXACT SERIES RESULT

1
BOSTON BRUINS 4-0

+2500

2
BOSTON BRUINS 4-1

+1200

3
BOSTON BRUINS 4-2

+650

4
BOSTON BRUINS 4-3

+750

5
VANCOUVER CANUCKS 4-0

+750

6
VANCOUVER CANUCKS 4-1

+325

7
VANCOUVER CANUCKS 4-2

+400

8
VANCOUVER CANUCKS 4-3

+375

Jun 01 - 8:00 PM
2011 STANLEY CUP - TOTAL GAMES PLAYED IN SERIES

1
OVER GAMES 5.5

-175

2
UNDER GAMES 5.5

+145

OK How come the Canucks 4-1 is priced as a favorite price +325 for all possible outcomes for exact series result but the under 5.5 games is a dog at +145 compared to over?