It tells you something that the intraday range for British 30-year gilts on September 28th spanned 127 of them, more than the annual range in all but four of the last 27 years.

它告诉你一些事情，即 9 月 28 日英国 30 年期国债的日内波动范围跨越了其中的 127 个，超过了过去 27 年中除了四年之外的所有年度波动范围。