He said that his co-workers know that employers don't list these options on the income reports they send the IRS and they don't want to pay the alternative minimum tax that can hit option holders.
Under the deal struck in 2007, HSBC committed to hold its shares for a minimum period of five years during which it had the option to increase the stake to 25 percent.
Today borrowers are more likely to be in their early 60s (62 is the minimum age), and they are overwhelmingly (70%) choosing a fixed rate lump sum payment option.