Quote from Acidjazz:
Now looking at the 12mth flys. EDH5/EDU5/EDH6, currently trading at the top of its range. How do u determine it normal value, I think it might fall, but this I determine from the charts, no real fundamental reason. It could drop to 10 or 15 ticks, just a guess.
Greenwich's Jim Lee appears to hold a similar view:
http://www.gcm.com/frontpage.asp?stay=1