Mrscog
I just put the current Coral and Betfair odds into the PA caculator and this was the result.
This was for the £5 qualifying bet.
Coral 3.10 Monaco to win
Betfair 3.25 Monaco to not win
At odds of 3.25, your lay stake is 4.84
Your liability will be 10.90
If the Bookmaker Bet wins, your overall position will be minus 0.40
If the Exchange Lay wins, your overall position will be minus 0.40
Your liability seems a lot higher [conused]
Aha! You bet £10
At odds of 3.25, your lay stake is 9.69
Your liability will be 21.80
If the Bookmaker Bet wins, your overall position will beminus 0.80
If the Exchange Lay wins, your overall position will be minus 0.80