Walker’s work, such as Super Timing and Intro to Astro Tech Trading , clarifies the link between Gann's methodologies and the natural laws that govern them:
However, Walker counters with forward testing. He has published several "prediction letters" on his website where he called reversals within 2-3 trading days, using only the Time Factor. In 2019, he predicted the exact high of Bitcoin at $69,000 (achieved in November 2021) based on Gann’s 360-degree cycle from the 2017 high. myles wilson walker wd ganns master time factor link
Decoding the Wheel: Myles Wilson Walker and the Modern Relevance of W.D. Gann’s Master Time Factor Walker’s work, such as Super Timing and Intro