bets triggered after 'in play'

[tolly]

This sounds strange even as i write this, and i've restarted the question several times because of its strange nature. I realise it's probably because of my inexperience.

I have an excel trigger for lay bets (min/max odds) set to go off 30secs before the start of the race and stop once the race is in play. It sets up all the bets and those that are matched are fine. BUT, as the race turns into play, some of those bets that were outside the min/max criteria prior to race start and therefore shouldn't be considered are suddenly matched, seemingly after the race goes in play. I repeat that the trigger is set to stop once the race goes in play. It has cost me on a number of occasions as this late matching quite often gets the chocolates with one of the runners. The logic says that the price has fallen into the min/max criteria i set. Practicality says that the race has turned into play and the odds are adjusting at that time, and these bets are not cancelled in time.

I could sit there and manually cancel the ones before the race start and i have done this when i can, but that defeats the purpose of having the excel trigger me thinks.

Suggestions are welcome.

[tolly]

i made my own suggestion, by changing the LAY to BACK, i'm on the receiving end of the 'good' bets.

the proof will be in the bank at teh end of the day, i hope.

[alrodopial]

From your words you must change the way you "confirm" that the race has started.
How do you "understand" that the race has started?

[GaryRussell]

Your triggers must be firing in play unless you are using the keep bet option, eg. BACK-IP/LAY-IP

How are you identifying the market is in play?