Directional Movement (-DM) (MINUS_DM)

Author
J. Welles Wilder

Reference
Book New Concepts in Technical Trading Systems [Amazon.com]
by J. Welles Wilder; Trend Research. ISBN:0894590278

Interpretation / Algorithm
Directional Movement � DMI by Shaun Taylor [investopedia.com]
Directional Movement with Metastock screenshot [paritech.com]

Product Implementation	Function / Formula / Script / Source Code
TA-Lib [ta-lib.org]	C/C++ Source Code - TA_MINUS_DM()