that would be a function of a balance and the return they get on ittheir
gross volume of merchandise sold is about about 80 billion per year- so
they process 80 billion dollars and each dollar is on a 21 days hold
which is about 1/17th of a year 30 d...
that is called " float"ebay is making money on money that is yours while
at the same time that money is loosing value at 7% per year ( at current
inflation rate) while they are denying you access to it.