The fluctuations observed during the day:

=================================================================================
                                  Current Session                       Prior Day
          Open    High    Low      Last     Time     Set     Chg    Vol       Set
=================================================================================
Oct'15   63.51   64.34   63.41    64.30   14:45    64.01    0.35       5    63.66
                                          July 31
Dec'15   63.50   64.48   63.27    64.11   14:45    64.21    0.66   10947    63.55
                                          July 31
Mar'16   63.49   64.39   63.23    64.08   14:45    64.20    0.63    2613    63.57
                                          July 31
=================================================================================