Effective Boost Calculator

Effective Boost Calculator Info

This calculator shows the effective boost for a bet on the opposite side of an existing bet. It essentially shows you the boost that you are getting when you use the opposite side kelly calculation from the Existing Bet Calculator.

Odds
The odds of the new bet.
Probability
The probability of the new bet.
Payout
The payout of the existing bet as a percentage of your bankroll.
Odds Format
Specifies the format used in odds fields.

Math

B=pwbq-pwb

With this B, you can now calculate the hedge bet with (which will be the same result as the opposite side kelly calculation):

f=p-q(1+B)b
B
The effective odds boost.
p
The probability the bet wins.
w
The fraction of your bankroll represented by your existing bet.
b
The net fractional odds of the bet.
q
The probability the bets loses.

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