Butterfield Bank and Ascendant Group both traded on the Bermuda Stock Exchange yesterday.Butterfield closed unchanged at $1.10 on a volume of 250 shares.Four Butterfield Preference shares also traded, closing unchanged as well at $1230.00.Ascendant was also unchanged, closing at $13.25 as 50 shares changed hands.The BSX overall was unchanged closing at 1,038.47.The BSX Insurance Index closed at 1047.00, up 7.00, or 0.67 percent.