What are technical indicators:
Technical indicators, such as Bollinger Band, MACD, RSI, etc., are critical aspects of technical analysis. These indicators use mathematical methods to analyze past price data to help the users determine the market trend and possibly give buy and sell signals.
Moving Averages Introduction
Moving average is a widely used technical analysis tool at present. It is simple and practical, using it correctly, combined with individual and market trends, volume, news, etc., a trader can make a better judgment call. A moving average represents the average price at a specific time within a particular period. They revolve over time and reflect the latest average. There are several moving averages, including Simple Moving Averages, Exponential Moving Averages, Weighted Moving Averages, Linear Regression Moving Averages, etc.; the main difference is the mathematical methods used in the calculation. In terms of time, the moving average can be divided into short-term, medium-term, and long-term periods. There is no requirement in selecting which period to use, it's ultimately a user's choice, but some conventions can be followed. For trading, users like to deploy 10-day, 20-day, and 50-day periods, either individually or combined, whereas for determining the long-term trend, the 200-day moving average is generally perceived as a boundary for bull and bear markets in a long-term direction. If the price moves below the 200-day moving average, it indicates a bear market, and on the contrary, when the price is above the 200-day moving average, it represents a bull market.
Application of Moving Average
Act as support and resistance--when the moving average is trending up, it acts as a support to bounce the price up if it falls to its level. On the flip side, where the moving average is trending down with the price starting to go up, it serves as a resistance line to stop the price rise above its level.
Serve to detect potential trend reversal--Deploying multiple moving averages can help to determine if the trend is about to reverse. For example, buying signals are usually warranted when a short-term moving average crosses above the long-term moving average. Conversely, sell orders could be triggered when the short-term moving average goes below a long-term moving average.
Limitation
The action of the moving average is often too slow, lagging behind the general trend; this is a significant weakness of the moving average. And because it is trailing, the moving average is therefore not necessarily indicative of a trend change, thus, making it difficult for traders to accurately pinpoint either the trough or the peak. As a result, to detect a trend reversal, traders usually do not solely rely on the moving average; they study other technical indicators as well. Finally, at times, the buying and selling signals of the moving average will frequently emerge, thus raising confusion and may even be misleading.
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