Autotrading consideration


My subscriber autotraded my system. My limit order to sell at 63.6, whywas it filled at 63.55? It went to above 64.



Signal ID Action Quant Symbol Type TIF Posted Executed Price

63746911 BTO 1000 APKT @ MKT DAY 7/21/11 15:58 7/21/11 15:58 60.08 Report problem

63775795 STC 1000 APKT @ LMT 63.6 DAY 7/22/11 9:55 7/22/11 10:06 63.55 Repor

The autotrade software changes the limit order to market if price hits the limit but the order does not fill after a certain amount of time.