In trading on Thursday, shares of Enbridge Inc's Cumulative Redeemable Preference Shares, Series R (Toronto: ENB-PRT) were yielding above the 6.5% mark based on its quarterly dividend (annualized to $1.00), with shares changing hands as low as $15.37 on the day. As of last close, ENB.PRT was trading at a 38.20% discount to its liquidation preference amount. It should be noted that the preferred shares are convertible.