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7 min readMoving Average Convergence Divergence (MACD) is a popular technical indicator used in trading. It is primarily employed for analyzing price trends and generating potential buy or sell signals. MACD is based on the concept of moving averages, which smooth out price data over a specified period.The MACD indicator consists of two lines: the MACD line and the signal line, along with a histogram.
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6 min readBollinger Bands is a technical analysis tool that was developed by John Bollinger in the 1980s. It consists of a simple moving average (typically the 20-day moving average) in the center, accompanied by an upper band and a lower band. The bands are calculated by adding and subtracting a multiple of the standard deviation from the moving average.The purpose of Bollinger Bands is to provide a relative definition of high and low prices, as well as volatility levels.
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8 min readThe Volume Price Trend (VPT) is a technical analysis indicator that combines both volume and price movements. It is used to measure the strength of a trend based on changes in volume.For beginners, understanding VPT can be quite helpful in identifying potential trends and making informed trading decisions. The VPT indicator calculates the cumulative volume flow by multiplying the percentage change in price with the volume.
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9 min readThe Parabolic Stop and Reverse (SAR) indicator is a popular technical analysis tool used in trading. Developed by J. Welles Wilder Jr., it helps traders identify potential entry and exit points in a market trend. The SAR indicator is particularly useful in trending markets, allowing traders to follow the momentum of a trend until a potential reversal occurs.The Parabolic SAR consists of a series of dots that are plotted above or below the price chart.
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7 min readBollinger Bands are a technical analysis tool created by John Bollinger. They consist of a simple moving average line with an upper and lower band that are derived from the standard deviation of price movements. Bollinger Bands are used to analyze volatility and market trends.The middle band represents the 20-period simple moving average, while the upper and lower bands are calculated by adding and subtracting two standard deviations from the moving average line.
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8 min readBollinger Bands are a popular technical analysis tool used by traders for various trading strategies, including scalping. They consist of three lines, with the middle line representing the moving average (typically a 20-day simple moving average) of the security's price. The upper and lower bands are derived from the standard deviation of the price from the moving average.When used for scalping, Bollinger Bands can help traders identify potential short-term price reversals or breakouts.
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4 min readThe Triple Exponential Average (TRIX) is a technical indicator used in the field of technical analysis to identify trends and generate trading signals. It was developed by Jack Hutson in the 1980s and aims to filter out short-term price movements to focus on the long-term trend.TRIX is calculated using a triple smoothing of the underlying price series. It is based on the Exponential Moving Average (EMA) concept, which places greater weightage on recent data points.
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12 min readThe Stochastic Oscillator is a technical analysis tool used to measure momentum and identify overbought and oversold conditions in the market. It compares a security's closing price to its price range over a specified period. The Stochastic Oscillator consists of two lines - %K and %D.%K is the main line and represents the current closing price relative to the range. It oscillates between 0 and 100, and values above 80 are considered overbought, while values below 20 are considered oversold.
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11 min readThe Arms Index, also known as the TRading INdex (TRIN), is a technical indicator used in the stock market to measure the strength of the overall market. It was developed by Richard Arms in 1967 and is used to determine the market's breadth and potential reversals.The calculation of the Arms Index involves dividing two separate values: the Advance-Decline Ratio (ADR) and the Up-Volume-to-Down-Volume Ratio (UVOL/DVOL).
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8 min readDebugging and profiling PHP code is essential for identifying and fixing issues or bottlenecks in your code. Here are some techniques to help you effectively debug and profile your PHP applications:Enable error reporting: Start by enabling error reporting in your PHP configuration. This will help you identify any syntax errors, runtime errors, or warnings that may be occurring in your code. You can enable error reporting by setting error_reporting and display_errors directives in your php.
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9 min readCaching in PHP is an important technique to improve the performance and reduce the load on the server. It involves storing the generated content or data in a temporary storage system, such as memory or disk, to avoid expensive calculations or database queries.In PHP, you can implement caching using various methods. One common approach is to use a key-value storage system like Memcached or Redis. These systems allow you to store and retrieve data using a unique identifier (key).