Hi
Try this: 2 triggers:
TRIGGER1
set user variable, e.g. name: neg_tw, globally
value: total_won
selections: fav
once per market
status: settled
condition: global total won/lost amount is less than 0 (or your positive figure above x)
TRIGGER2
set user variable, name: neg_tw, globally
value: 0
selections: fav
once per market
status: settled
condition: global total won/lost amount is greater than 0 (or your positive figure above x)
in your triggers use neg_tw in place of total_won
you need to retain the last settled market in My Markets (don't delete all settled markets)
so this should reset neg_tw to 0 if your total_won is above x
else neg_tw = total_won
Please use test mode when trying it out.