Definition of Street price:
The price at which something is available in shops, especially when this is lower than the recommended retail price.
The price at which something is available on the street. Hence (in later use): the price which something, especially a quantity of drugs, fetches when sold illicitly.
Actual retail price which is usually substantially lower than the advertised, catalog, or list price, and which often varies from day to day.
Meaning of Street price & Street price Definition