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  1. #1

    Half Point Calculator for Parlays

    Say I have 3 team parlay.

    I use Half Point Calculator separately for each game and it gives me:

    1st game edge = 3%
    2nd game edge = -1%
    3rd game edge = 2%

    so total edge (decimal) = 1.03 * 0.99 * 1.02 = 1.04?

    I feel like this is wrong.

  2. #2
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  3. #3

    Found my own answer. Each game treated like separate event (parlay odds converted to per game odds). So total Edge equals SUM of three games.

  4. #4

    i was right first time. i think lol.

    here is an example. 100$ on a parlay, first game 5%ev, 2nd game -2%ev and 3rd game -1%ev.

    5%ev means in the long run 100$ will win me 105$.
    -2%ev means in the long run 105$ will win me 105*0.98=102.90$
    -1%ev means in the long run 102.90$ will win me 102.90*.99 = 101.87$

    total edge or parlay %ev = 101.87$/100$ = 1.0187%ev = 1.05*0.98*0.99

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