Stochastic developed by George C. Lane genuinely diagnose the speed and the momentum of the stock price. It calculates the price close, based on the high and low range for a certain number of periods. Besides analysing overbought and oversold conditions, it also attempts to identify the change in direction, beforehand the change in price. Herein, reading above 80 is considered as overbought and below 20 as oversold.
The overbought scenario highlights the bulls getting exhausted and bears getting geared up. Technical indicators entering such scenario inhabit a slower rise in prices and a reversal with profit booking. Aggressive traders start to pull back their trades, hold positions for a stock to retrace their respective support levels to foreshadow a trend. Investors look at profit booking and explore stocks in oversold territory.