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cejstrup 

I use this formula for determining the winning percentage required for an expectancy of 0 ie break even : WP = Winning pct AW = Average win AL = Average loss WP = 1 / ( ( AW/AL ) +1 ) . So in your case it would be : WP = 1 / (( 0.75 ) +1 ) = 0.57 ie 57 % required for break even

That's exactly what i needed. Thanks my dear i was on the verge to call @baruchs for help.

So easy when you know the formula.

trendisyourfriend 

That's exactly what i needed. Thanks my dear i was on the verge to call @baruchs for help.

One problem with those static calculations is that one can hit ruin before breakeven.