Just noticed that someone asked what stoch is exactly and why we need to use it in trading. I’d like to share my understanding here.

The Stochastic Oscillator, also called stoch, is an indicator that shows the position of the closing price within the highest and lowest prices over a certain period. The value ranges from 0 to 100, which is very easy to interpret. When the price is rising, the closing price tends to be near the high, making the stoch approach 100. Conversely, when the price is falling, the closing price tends to be near the low, making the stoch approach 0.

This indicator consists of two main lines: %K, which shows the main value, and %D, which is a moving average of %K. Usually, %D is set as a 3-day average. The calculation of %K is straightforward: subtract the lowest low over 14 days from the current close, divide by the range of the highest high minus the lowest low over 14 days, then multiply by 100 to get the %K value.

In practice, the stoch is a tool that can tell many things. For example, when %K crosses above %D, the price might be shifting into an uptrend. Conversely, when %K crosses below %D, it could indicate a downtrend. Another common method is to look at overbought and oversold zones: when %K is above 80, it suggests the market is overbought; when below 20, it indicates oversold. These signals suggest whether the price is too high or too low.

An important point is that the stoch is a lagging indicator, meaning it provides delayed signals. Using it alone often results in false signals, so it’s best combined with other indicators, such as EMA to confirm trend direction, RSI to support overbought/oversold signals, or MACD to confirm momentum changes.

For example, if you see the stoch entering the oversold zone below 20 and %D is about to cross upward, while the EMA indicates the price is still above the trend line, this would be a stronger buy signal. This technique helps reduce false signals.

Another aspect to consider is the difference between Fast Stochastic and Slow Stochastic. Fast Stochastic gives quicker signals but tends to generate more false alarms. Slow Stochastic is an average of Fast Stochastic, making it smoother and giving slower but more reliable signals.

In actual trading, the stoch should be used together with price pattern analysis. For example, if the price forms a triangle or head and shoulders pattern, and the stoch signals a potential breakout point, it increases the confidence in that signal.

For beginners, it’s recommended to start trading with longer timeframes like 15 minutes or 1 hour before moving to shorter ones. Try using default settings such as (14,1,5) or (14,7,14), then adjust as needed. Practical experience will deepen your understanding of the stoch more than just reading theory.

Ultimately, the stoch is a useful tool if used correctly, but remember that no indicator is perfect. The key is to combine it with proper risk management, such as setting appropriate stop-loss levels, and continuous practice.