A market employing irregular but not illegal methods especially a market that legally circumvents authorized channels of distribution to sell goods at prices lower than those intended by the manufacturer
(Ekonomi) A grey market or gray market also known as parallel market is the trade of a commodity through distribution channels which, while legal, are unofficial, unauthorized, or unintended by the original manufacturer. The term gray economy, however, refers to workers being paid under the table, without paying income taxes or contributing to such public services as Social Security and Medicare. It is sometimes referred to as the underground economy or "hidden economy."
grey mar·ket grey markets in AM, use gray market1. Grey market goods are bought unofficially and then sold to customers at lower prices than usual. Grey-market perfumes and toiletries are now commonly sold by mail
Grey market shares are sold to investors before they have been officially issued. At one point last week shares in the grey market touched 230p
Trading in a bond prior to the formal issue of the bond Trading is completed on an 'if as and when issued' basis Settlement takes place when the bond is finally issued