i laid a lay bet on spectait there was ony about 10 pounds on the lay side as soon as by small lay went in 50.000 and 24.000 imeadiatley appeared the money stayed for 10 minutes then disapeared
I could be wrong but I think this is due to the caching that Betfair do. They don't refresh quiet markets very often so when you place an order it's common for the market to change. I don't know, what market are you on?
