Strike rate for break even Lay odds

[Mcdonkey]

Hi Guys!
I'm quite terrible at math and was hoping you guys could help me with this simple problem.
What is the strike rate for break even when laying at odds of 2,5 and 3,0? What's the formula for calculating that aswell?

Cheers!

[Trader724]

100/(PROFIT/LIABILITY+1)

If you lay at 2.5 for £2

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100/(2/3+1)=60

you need a SR of 60% to break-even.


if you lay at 3 for £2

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 100/(2/4+1)=66.66

you need a SR of 66.66% to break-even.