Why are my offset bets being cancelled?

[Ian1506]

Hi folks. I am betting on the UK Greyhound markets and have placed a number of bets using excel where the initial lay bet is fully matched and the offset bet is sucessfully submitted with a TL1 and SL4.
Last night three of these offset bets were cancelled and of course two of them went on to win. I was betting on the 3rd fav for each bet.
The initial bets are placed between 60 to 45 seconds before the off using small $1 stakes.
Can anyone tell me why this would happen and more importantly, what strategies I can put in place to stop it happening.
Due to the time difference I am not able to monitor these bets manually.


Gary, If you look at this I have attached the entry from the data file. ...4324 is the initla lay bet.
Processing tick offset for ref:28240884324, ticks:1, fixed odds:0, level profit:True
15072013 05:29:30:222: Processing stop loss for ref:28240884324, ticks:4, fixed odds:0, level loss:False, sliding:False, chase:False, allow in play:True
15072013 05:29:30:222: Excel tick offset matched column status updated. ref:28240884324, offsetRef:F, partialOffsetBet:False
15072013 05:29:30:222: Stop loss for ref:28240884324 cancelled because offset bet fully matched or cancelled.

[GaryRussell]

Are you sure they weren't cancelled at the off because they were unmatched? The log would still look like that. The only thing is the time in the log would be after the off so can you check if your PC's time is accurate?

[Ian1506]

I'm not sure how I would tell wether they were unmatched or not but I did check my pc time against time.is and found that I was out by 22 seconds. Hopefully this will be the issue. Thanks for your quick reply.
Cheers Ian