Market Data Definition Language (MDDL)
Google
The Financial Information Services Division of the Software & Information Industry Association
MDDL 2.5-beta : sharesControlled
MDDL 2.5-betaSchema DocumentationNo Graphics?
Index: MDDL 2.5-beta Schema Documentation
Element: sharesControlled
Description: Defines the number of basic items that make up a contract. Complex contracts may require multiple underlying instruments or textual description (comment).
Used by: futureClass  optionClass  warrantClass 
Attributes:  
Uses: sequence  comment  multiplier  underlying  underlyingCount 
Classification: Container "property"
Diagram: