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A Simple Moving Average is an average price for a security over a specified period of time. The chart tracks the change in the average over time. You can select up to three time periods on this chart, based on the intervals show in the chart. The average smooths out the data to help investors more easily identify trends. Traders tend to sell when a stock trades above an average and buy when it falls below an average.
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An Exponential Moving Average is similar to a simple moving average of a security’s prices over a defined period of time, but it gives greater weight to more recent data. You can select as many as three time periods. An EMA chart allows investors to spot and respond more quickly to recent trends that might take more time to appear in an SMA.
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Bollinger Bands are used to compare volatility and relative price levels over a period of time. The chart shows two lines that define the upper and lower boundaries of a stock’s normal price range as determined by recent volatility, measured by standard deviation, and a moving average of the security’s price. Bollinger bands are often used to identify a period of low volatility and to prepare for a move above or below a trading range.
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Moving Average Convergence-Divergence charts show how two moving averages move together and apart over time. They are used in similar fashion to other momentum indicators to help identify overbought and oversold conditions. The MACD is calculated by taking the difference of the two averages and plotting it as a line, known as the MACD line. A moving average of that difference is also plotted to serve as a buy/sell signal and is called the signal line. In a rally, rally will cause the difference between the two lines will increase until some extreme value is reached, signaling an overbought condition. Conversely, in a down market, the difference will become large but in the negative direction until an extreme is reached, signaling an oversold condition.
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The Parabolic SAR, also referred to as the stop-and-reversal indicator, is most often used to set trailing price stops for long or short positions. The SAR is calculated in steps marking each change in trend; you can vary steps in this chart. Generally, when the stock price falls below the indicator, you should sell or sell short; when it is above, you would buy or stay long.
Money Flow Index is a momentum indicator based on price and value that measures the strength of money flowing in and out of a security. This creates an indicator that can be used to identify the strength or weakness of a price trend. The MFI is measured on a 0 - 100 scale and is often calculated based on a 14-day period; a security is considered overbought if the reading is 80 or above and oversold at 20 or below.
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The Fast Stochastic measures the price of a security relative to its high/low range over a set period of time. The indicator moves between 0 and 100, with readings below 20 considered oversold and readings above 80 considered overbought. A 14-period Stochastic Oscillator reading of 30 would indicate that the current price was 30% above the lowest low of the last 14 days and 70% below the highest high. This can be used like any other oscillator by looking for overbought/oversold readings, positive/negative divergences and centerline crossovers.
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The Slow Stochastic measures the price of a security relative to its high/low range over a set period of time, applying a 3-day moving average to one of the parameters to smooth the results. The indicator moves between 0 and 100, with readings below 20 considered oversold and readings above 80 considered overbought. The Stochastic Oscillator can be used like any other oscillator to look for overbought/oversold readings, positive/negative divergences and centerline crossovers.
The relative-strength index (RSI) is a widely used momentum indicator that measures the price of a security against past performance. Typically, stock traders use a 14-day RSI, which focuses on how fast prices have been moving over a 14-day period. The RSI value ranges from 0 to 100; values above 75 indicate a possible overbought situation and values below 25 indicates a possible oversold condition. Many traders use it to determine if a stock is overbought or oversold.
ROC (Rate of Change) shows the difference between the closing price of that day and the close N days ago.
A momentum indicator that is often used to spot overbought and oversold signals, much like stochastic. Readings of 0 to - 20 are considered overbought, while -80 to -100 are considered oversold.
Volume by Price is an indicator that shows the amount of volume for a particular price range. Volume by Price bars are shown horizontal on the left side of the chart to match up with price points. These color-coded bars divide volume based on up periods (green) and volume on down periods (red). Volume by Price can be used to identify high volume price points that may provide support or resistance.
Volume Accumulation indicator combines volume and a price-weighting that shows the strength of conviction behind a trend; the Volume Accumulation indicator is a helpful tool in uncovering divergences.
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Volume is number of trades in a security over a period of time, represented as a histogram (vertical bars) below the price chart. The optional moving average line shows the change in average volume over the time period selected.
The Average Directional Index (ADX), Minus Directional Indicator (-DI) and Plus Directional Indicator (+DI) represent a group of directional movement indicators that form a trading system. ADX was designed with commodities and daily prices in mind, but these indicators can also be applied to stocks. The Average Directional Index (ADX) measures trend strength without regard to trend direction. The other two indicators, Plus Directional Indicator (+DI) and Minus Directional Indicator (-DI), complement ADX by defining trend direction. Used together, can be used to determine both the direction and strength of the trend.
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Keltner Channels are volatility-based envelopes set above and below an exponential moving average. This indicator is similar to Bollinger Bands, which use the standard deviation to set the bands. Instead of using the standard deviation, Keltner Channels use the Average True Range (ATR) to set channel distance. The channels are typically set two Average True Range values above and below the 20-day EMA. The exponential moving average dictates direction and the Average True Range sets channel width. Keltner Channels are a trend following indicator used to identify reversals with channel breakouts and channel direction. Channels can also be used to identify overbought and oversold levels when the trend is flat.
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