Wilde, one of the most famous technical analysts in the world, has different translations in China, such as Wilde, Wei Deng or Wilde. It doesn't matter. You just need to know that these different names actually refer to the same person, and as long as you play stocks and futures, you have used the indicators created by this person: Relative Strength Index (RSI), Average Real Area of Average Real Interval (ATR), Directional Motion Index (DMI), Trend Index, Stop Loss (SAR) Index, also known as Parabolic Index or Stop Loss Turning Operating Point Index, and Momentum (MOM). His main works are Adam Theory, Delta Theory and New Concept of Technology Trading System.