재료 부족 Complete Guide
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What is 재료 부족?
The Moving Average (MA) is one of the most fundamental and widely used technical indicators in financial analysis. While its mathematical roots date back centuries, it was popularized in modern trading by pioneers like Richard Donchian and Joseph Granville. The MA measures the average price of an asset over a specified number of periods, effectively smoothing out short-term price fluctuations (noise) to reveal the underlying trend direction. Interpretation is straightforward: when the price is above the moving average, the trend is generally considered bullish; when below, it is bearish. The slope of the line also indicates the strength of the trend. Common parameter settings include the 20-period for short-term momentum, the 50-period for intermediate trends, and the 200-period for long-term market health. Practically, traders use MAs as dynamic support and resistance levels. In a trending market, prices often 'bounce' off the MA line. However, because MAs are based on past data, they are 'lagging' indicators, meaning they confirm trends rather than predict them. They are most effective in trending markets and can produce false signals during sideways or range-bound periods. Combining different types, such as Simple Moving Averages (SMA) or Exponential Moving Averages (EMA), allows traders to balance sensitivity with stability.
Signal Types
Price Crossover
A bullish signal occurs when the price crosses above the MA; a bearish signal occurs when the price crosses below the MA.
Golden / Death Cross
A Golden Cross (bullish) occurs when a short-term MA crosses above a long-term MA. A Death Cross (bearish) occurs when it crosses below.
Dynamic Support/Resistance
In an uptrend, the MA often acts as a floor (support). In a downtrend, it acts as a ceiling (resistance).
Related Indicators
FAQ
What is the difference between SMA and EMA?
SMA calculates the simple average of all data points, while EMA gives more weight to recent prices, making it react faster to price changes.
Why is the Moving Average called a 'lagging' indicator?
Because it is based on past closing prices, the indicator follows the price action rather than leading it, confirming trends after they have begun.
Which period setting is best for trading?
There is no 'best' period; 20 is common for short-term swing trading, 50 for medium-term, and 200 for long-term trend identification.
Parts of this page (FAQ, introductions) are AI-assisted. Core data and statistics are algorithmically computed. All pattern definitions are human-reviewed.
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