The Standard Portfolio Analysis of Risk, or SPAN, is a system for calculating
margin
Margin may refer to:
Physical or graphical edges
*Margin (typography), the white space that surrounds the content of a page
*Continental margin, the zone of the ocean floor that separates the thin oceanic crust from thick continental crust
*Leaf ...
requirements for
futures
Futures may mean:
Finance
*Futures contract, a tradable financial derivatives contract
*Futures exchange, a financial market where futures contracts are traded
* ''Futures'' (magazine), an American finance magazine
Music
* ''Futures'' (album), a ...
and
options
Option or Options may refer to:
Computing
*Option key, a key on Apple computer keyboards
*Option type, a polymorphic data type in programming languages
* Command-line option, an optional parameter to a command
*OPTIONS, an HTTP request method
...
on futures. It was developed by the
Chicago Mercantile Exchange
The Chicago Mercantile Exchange (CME) (often called "the Chicago Merc", or "the Merc") is a global derivatives marketplace based in Chicago and located at 20 S. Wacker Drive. The CME was founded in 1898 as the Chicago Butter and Egg Board, an a ...
in 1988.
SPAN is a portfolio margining method that uses grid simulation. It calculates the likely loss in a set of derivative positions (also called a portfolio) and sets this value as the initial margin payable by the firm holding the portfolio. In this manner, SPAN provides for offsets between correlated positions and enhances margining efficiency. The CME SPAN technique, is the official Performance Bond mechanism of more than 54 exchanges and clearing organizations worldwide.
External links
* http://www.cmegroup.com/confluence/display/pubspan/SPAN+Overview
CME SPAN ExplainedCME SPAN Methodology
Futures markets
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