These are very similar to discount rates except that they track the BoE rate and not the Standard Variable rate. Where a discount rate is expressed as a percentage decrease from the SVR, a tracker rate is expressed as a percentage increase over the base rate.
For example if the BoE rate is 5% and the lenders SVR is 7%, a 1% discounted rate would be 7% - 1% = 6%. A 1% tracker rate would be 5% + 1% = 6%.
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