2. If the 6th day is taken as the parameter of short-term William indicator, when the value of William indicator is greater than 85, it can be classified as short-term oversold of William indicator, which is a short-term buying signal.
3. If 20 is taken as the parameter of the medium-term William indicator, when the value of the William indicator is less than 20, it can be classified as the medium-term overbought of the William indicator, which is the mid-line selling signal.
4. If the 20th is taken as the parameter of the mid-term William indicator, when the value of the William indicator is greater than 80, it can be classified as the mid-term oversold of the William indicator, which is a mid-line buying signal.
5. If 70 days is taken as the parameter of long-term William indicator, when the value of William indicator is less than 10, it can be classified as long-term overbought of William indicator, which is a long-term selling signal.
6. If 70 days is taken as the parameter of long-term William indicator, when the value of William indicator is greater than 90, it can be classified as long-term oversold of William indicator, which is a long-term buying signal.
The William Index was first published in the book 1973 "How I made a million dollars by trading commodities last year" published by Larry Williams. This indicator is an oscillation indicator, which measures whether the stock/index is overbought or oversold according to the swing point of the stock price. It measures the ratio of the distance between the peak (highest price) created by both long and short parties and the daily closing price to the fluctuation range of the stock price within a certain period of time (such as 7 days), thus providing the signal of the stock market trend reversal. William index William index, also called Williams overbought/oversold index, abbreviated as WMS%R or %R, was first published by Larry Williams in 1973, so it was named after him. William index is mainly used to study the fluctuation of stock price, and the trading opportunity is determined by analyzing the peaks and valleys in stock price fluctuation. It reflects the phenomenon of overbought and oversold in the market with oscillation points, and can predict the high and low points in the cycle, thus showing effective trading signals. It is a technical index used to analyze short-term market trends.