Yep, that smells like a trailing stop to me. A classic pattern I have tried. It works very well in a strong trend.
The idea is to go in with one extra contract over the original. When target is hit, the second contract gets the BE stop, but the hope is that the second contract goes further. But in a mixed-mode market? It kind of sux due to the retrace stops. Mreh.
%%If you have success trading a system, you might as well stay with it unless it stops working. You can use your free time modeling, researching new systems, i.e., modeling, testing to see if a second leg makes sense or a 60% probability is profitable..... If you can determine a 95% win rate with certainty, you can certainly determine if a 60% win is worth your while with certainty.
. [edit , end of day/+,quote=that was 95%, not 955% , which maybe a bit optimistic, long term LOL