J. Welles Wilder Jr.
John Welles Wilder Jr. | |
|---|---|
| Born | June 11, 1935 Norris, Tennessee, U.S. |
| Died | April 18, 2021 (aged 85) |
| Occupation(s) | mechanical engineer, turned real estate developer |
| Known for | Average true range, Relative strength index, Average directional movement index, Parabolic SAR |
John Welles Wilder Jr. (June 11, 1935 – April 18, 2021) was an American mechanical engineer, turned real estate developer. He is best known, however, for his work in technical analysis. Wilder is the father of several technical indicators that are now considered to be the core tenets of technical analysis software. These include Average True Range, the Relative Strength Index (RSI), Average Directional Index, and the Parabolic SAR.