不过我不太懂，我看到这个：If you redeem before the scheduled interest is paid, you will receive a pro-rated amount, called the accrued interest, which is the interest you have earned but have not been paid.
我自己理解的，不一定对：存11个月，前面六个月第一轮利息付了。后面5个月的会折算利息来付。。。不知道是不是这样prorate，不过还是挺好的工具。打算买来试试看。