Older style bank sub notes (ANZHA, NABHB, WBCHA) have rallied in past weeks, trading around the 1.65 per cent level. In contrast WBCHB (the newer style Basel III compliant sub note) is trading around a 2.25 per cent margin. The chart shows the trading margins and differential of the two listed WBC sub notes. WBC issued a newer the style sub note with a 2019 call into the wholesale market...