Invisible ten times a year, with six books. The author of this book is invisible. The author introduced in the book is a professional investor with long-term trading experience in the stock market and futures market. There are six books in this series, namely, Ten Futures Trading Strategies (I), Ten Futures Trading Strategies (II), Ten Futures Trading Strategies (III) and Ten Futures Trading Strategies. Wave theory is a theory founded by Eliot, an American analyst, to study the stock trend. He divided the stock trend into eight wave cycles with five waves rising and three waves falling. It is said that the longest cycle can reach 200 years, and the K-line chart as small as 1 minute can also be explained by these eight waves. This is a wave of waves, a wave of waves, a wave of waves, a wave of waves, a wave of waves.