I'm of the belief that a good trading system should be able to work in any market at any time of the day. Clearly, mine is not.Why on earth would you trade the pre-opening hours with all of the chop ?
Your system works decent when there is adequate volume and movement.
Stop and Reverse systems like yours are great when there is good movement....terrible when there is not.
Be that as it may, I wanted to take advantage of the ssslowww pace of the Globex to analyze the system more in detail.