the stop on my rule not fireing

[AngusMack78]

hi, please help, i have used the attached rule or similar rule on todays race card gb/ire. the rule lays a horse near back of field with a 20 tick offset and a 10 tick trailing stop both triggering and fire at 10 ticks. the problem is the stop is not fireing. the log says something. weird that the bet has already matched or lapsed so would notfire. log is below,rule attached
Is the problem that stops dont work on this sort of fast moving market? If stops dont work is to possible to use greening and redding instead of offset and stop ie greening at +2.5 proffit and redding at loss of say 0.5 or more?
Please advise?

10/07/2014 17:32:40: Guardian has detected that the market is suspended
10/07/2014 17:32:42: Guardian has detected that the market is in-play
10/07/2014 17:32:42: Guardian has detected that the market is now unsuspended
10/07/2014 17:33:36: $ 5 Lay bet placed on Pearl Blue at 16. Fully matched at 16. Ref: 39063869215 ( Fill or kill bet with 2 seconds delay. Offsetting by 20 ticks with greening. Trailing Stop at 10 ticks. Place stop at 10 ticks. )
10/07/2014 17:33:38: Unable to place bet on Pearl Blue at 34. Bet already matched or lapsed
10/07/2014 17:33:39: Guardian has detected that the market is suspended

regards angus

[6thSense]

Looks like the market suspended at the same time it tried to place a bet.

[AngusMack78]

ok there was not sufficient time for the stop to fire. what if I removed the offset and stop and just placed a green all selections at a loss of $1. instead of using a stop and run it so the greening runs 5 times a second. would that work?

[6thSense]

The problem is with in-running markets.

The prices move too quick at the business end of the event so any price-related trigger is going to be risky. The greening rule will still ask for a specific price and the market may well have moved on by the time your bet arrives.

You could set just a back bet, set to place at 1.01 and have the trigger set to a green all profit level of less than £x. And set the stake according to what it should be at your actual desired stop level.

That way your bet stands the greatest chance of being matched as Betfair always match at the best available price. Losses may vary though as you cannot be certain what price you will get matched at.

[AngusMack78]

thanks for the advice, i have tried a number of different things and have come up with the attached rule. is there anyway of limiting the back bet so it fires only once if the price comes in?

regards

Angus