One of my sites is seeing some massive swings in the SERPS (see the red compared with one of my competitors)
Over the last 3 weeks, it bounces from position 15 or so, to 4/5. And it does this a few times a day. Ultimately I would like position 5 to stay, but I am a little confused that is jumps around so much. I've never really seen this much of a change, and for over a longer period of time.