Wilders Volatility Index

Developed by J. Welles Wilder, Jr. this indicator is intended to measure true range over time and is also known as Average True Range. It is the greatest difference between: This period’s high and low, the previous period’s close and this period’s high, the previous period’s close and this period’s low.

Wilders Smoothing Indicator

Developed by J. Welles Wilder, Jr. this indicator is similar to the Exponential Moving Average. It is slow to reflect price changes compared with other moving averages. Wilder’s Smoothing is used as a part of Wilder’s RSI.

Welles Wilder and his Indicators

An Engineer, turned real estate developer, turned technical analyst, Welles Wilder developed several important technical indicators including Average True Range, the Relative Strength Index, Directional Movement and the Parabolic Stop and Reverse. See also: Interview with Welles Wilder Related Websites: DeltaSociety.com Official Home of the Delta trading secret: the hidden order in all markets. Predict … Read more

Parabolic SAR

Introduced by Welles Wilder in his 1978 book, New Concepts in Technical Trading Systems, the Parabolic SAR (PSAR) is an indicator that sets trailing price stops for long or short positions. It is more popular for setting stops than for establishing direction or trend. Wilder’s intent was to create an indicator that capitalized on a … Read more

Directional Movement Indicator (DMI)

Developed by Welles Wilder and explained in his book, New Concepts in Technical Trading Systems, the Directional Movement Indicator can be used by itself or as a filter on a trend-following system. The DMI helps determine if a security is trending. In a DMI study, two lines are generated: +DI and -DI. The first line … Read more