If you are using the 16807 for your Decision Chart then that is an ok Trade but notice that every other chart is setting up shorts . . . including your Enty 2401 (if trading a faster time frame).
Yeah your exit wasn't according to the rules. It only made a 1-2 tic difference in this case. Of course the market could have dropped another 673.75 points before the 343 ERG turned blue, in which case you'd have been very pissed off.