On the other hand, if you are the type of person who will be up at night worrying about where interest rates are headed, then you may be better off choosing a different type of loan product - one that is not based on Libor rates.
When you obtain a LIBOR-based mortgage loan, your interest rates will not fluctuate every time the LIBOR fluctuates; instead, your interest rate will fluctuate at predetermined intervals as set by the terms of your loan.
The format of their data, however, may not be as easy-to-use as the formats used on various financial data websites.A good place to start for Libor rate history is the website of the British Bankers' Association (BBA).
Although many lenders follow a certain index - whether it's the Prime Rate, the LIBOR, or some other index predetermined by the lender - it is up to each individual lender to decide how much to add to each index.
Some lenders tie their interest rates closely to an index such as the Prime Rate or the Libor plus a predetermined margin, but the choice is ultimately up to the lender to decide what interest rate to charge.