Aftermarket may refer to:
*
Aftermarket (merchandise)
In economic literature, the term "aftermarket" refers to a secondary market for the goods and services that are 1) complementary or 2) related to its primary market goods ( original equipment). In many industries, the primary market consists of d ...
, any market where customers who buy one product or service are likely to buy a related, follow-on product
*
Aftermarket (automotive)
The automotive aftermarket is the secondary market of the automotive industry, concerned with the manufacturing, remanufacturing, distribution, retailing, and installation of all vehicle parts, chemicals, equipment, and accessories, ''after'' the ...
, the addition of non-factory parts, accessories and upgrades to a motor vehicle also to include removal of parts after vehicle is placed on market
* Aftermarket (finance), or
secondary market
The secondary market, also called the aftermarket and follow on public offering, is the financial market in which previously issued financial instruments such as stock, bonds, options, and futures are bought and sold. The initial sale of the s ...
in financial parlance, the trading of securities that have already been issued
* The market for parts that are no longer made, see
new old stock
{{disambiguation
zh:二级市场