Yeah I keep it the same.
I had this debate with some guys about Westside barbell. On dynamic days they'd bench with varied grips. BUT for squats and deads it was always the competition stance. So I said why not keep it all the same? Made sense to me.
So yes, my stance for deads is always the same. Especially when going for that big pull. Obviously a sumo stance is different for conventional deadlift.
They actually max effort box squat with a close stance and to a low or high box. They also do sumo pulls to strengthen the hips...if it is a weakness.