The interval between the high and low prices over which a stock has traded over a particular period of time.
The difference between the highest and lowest price of a financial instrument.
Is the upper and lower limit a buyer is willing to pay for a home. 
The interval between the high and low prices over which a stock has traded over a particular period
the high and low amount a buyer is willing to pay for a home.
the highest and lowest price of a commodity, security, etc., over a given period of time.