Stochastic Complete Guide

What is Stochastic?

Developed by George Lane in the late 1950s, the Stochastic Oscillator is a popular momentum indicator that compares a security's closing price to its price range over a specific period. The indicator operates on the premise that in an uptrend, prices tend to close near their high, while in a downtrend, they close near their low. It consists of two lines: %K (the fast line) and %D (the slow line, which is a moving average of %K). The default parameters are typically set to 14 periods for %K and a 3-period simple moving average for %D. The oscillator is bounded between 0 and 100. Traditionally, readings above 80 are considered overbought, suggesting the asset may be due for a pullback, while readings below 20 are considered oversold, suggesting a potential bounce. However, in strong trends, these levels can remain extreme for extended periods. Traders use the Stochastic for three primary signals: identifying overbought/oversold conditions, spotting bullish or bearish divergences between the indicator and price, and watching for crossovers between the %K and %D lines. To improve accuracy, it is often used in conjunction with other indicators like the RSI or moving averages to confirm trend direction. A practical tip is to look for 'Stochastic pops' where the indicator breaks out of the overbought/oversold zones, signaling a shift in momentum.

Signal Types

Related Indicators