The Correlation Between Mortgage Rates & the Stock Market. The mortgage interest rate available for an individual borrower is based on the borrower’s financial history and current status. When it comes to the range of rates available to all borrowers on a given day, several economic factors are involved, including conditions on the bond market,
However, mortgage rates can vary by as much as 50 basis points (0.50%) between mortgage rate surveys, and rates are rarely in-line with an actual rate quote from an actual mortgage lender. So, why.