The short answer is that, yes, we have fairly detailed data based on that. In fact, we've incorporated that in our model. Of course there are always behavioural differences, because some people still choose to keep variable. They don't always lock in. You have to think about the new homebuyers, who get hit immediately with changes in interest rates, but we're able to model that. You're quite right that about 70% of mortgages are fixed rate.
On October 31st, 2017. See this statement in context.