Vortex Indicator Are Calculated?

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The Vortex Indicator is used in technical analysis to determine the direction of a trend and the likelihood of a trend reversal. It consists of two lines: the positive vortex line (+VI) and the negative vortex line (-VI).


To calculate the Vortex Indicator, you need to follow these steps:

  1. Calculate the True Range (TR): The True Range is the greatest of three values: the current high minus the current low, the absolute value of the current high minus the previous close, and the absolute value of the current low minus the previous close.
  2. Calculate the Positive Movement (VM+): The Positive Movement is the absolute value of the current high minus the previous low.
  3. Calculate the Negative Movement (VM-): The Negative Movement is the absolute value of the current low minus the previous high.
  4. Calculate the Sum of the Previous True Ranges (TRn): Calculate the sum of the previous n periods' True Ranges.
  5. Calculate the Sum of the Previous Positive Movements (VM+n): Calculate the sum of the previous n periods' Positive Movements.
  6. Calculate the Sum of the Previous Negative Movements (VM-n): Calculate the sum of the previous n periods' Negative Movements.
  7. Calculate the Positive Vortex Line (+VI): Divide the VM+n by the TRn to get the +VI value.
  8. Calculate the Negative Vortex Line (-VI): Divide the VM-n by the TRn to get the -VI value.


The Vortex Indicator is typically displayed as two lines on a chart. The +VI line moves above the -VI line when an uptrend is present, indicating bullish market sentiment. Conversely, when the -VI line moves above the +VI line, a downtrend is likely, indicating bearish market sentiment. Traders often use the crossover of these two lines to signal potential trend reversals.

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What timeframes are most suitable for using the Vortex Indicator?

The Vortex Indicator is commonly used in short-term trading strategies, particularly within intraday timeframes. It is most suitable for timeframes ranging from minutes to a few hours, such as 1-minute, 5-minute, 15-minute, 30-minute, and 1-hour charts. This indicator is designed to analyze price movement and identify trends or reversals in current market conditions. However, it can also be applied to longer timeframes like daily charts, but its effectiveness may be reduced as it may generate fewer signals in these longer timeframes. Ultimately, the choice of timeframe depends on an individual trader's trading style, goals, and preferences.


How frequently should the Vortex Indicator be updated?

The frequency of updating the Vortex Indicator depends on the time frame and trading strategy being used. For short-term trading, the indicator can be updated every minute or even second, while for longer-term trading, it may be sufficient to update it daily or weekly. Ultimately, it is up to the trader to determine the appropriate update frequency based on their specific trading style and objectives.


What are the recommended settings for the Vortex Indicator?

The recommended settings for the Vortex Indicator are a period length of 14 days, 1-day bars, and a reference to "true range" (the largest of the current bar's high minus its low, absolute value of the current bar's high minus the previous bar's close, and the absolute value of the current bar's low minus the previous bar's close). These settings are commonly used and provide a good balance for analyzing market trends and volatility.

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How to calculate Vortex Indicator?

To calculate the Vortex Indicator, follow these steps:

  1. Define the True Range (TR) for each period, which is the greatest of the following three values: The difference between the current high and low The absolute value of the difference between the previous high and the current low The absolute value of the difference between the previous low and the current high
  2. Calculate the Positive Directional Movement (PDM) and Negative Directional Movement (NDM) for each period: PDM = Current high - Previous high (if it is positive), otherwise 0 NDM = Previous low - Current low (if it is positive), otherwise 0
  3. Calculate the True Range Average (TRAVG) for a given number of periods (e.g., 14 periods) by summing the TR values for the specified number of periods and then dividing it by that number.
  4. Calculate the Positive Directional Movement Average (PDMAVG) for a given number of periods by summing the PDM values for the specified number of periods and then dividing it by the TRAVG.
  5. Calculate the Negative Directional Movement Average (NDMAVG) for a given number of periods by summing the NDM values for the specified number of periods and then dividing it by the TRAVG.
  6. Calculate the True Range 14 (TR14) value, which is the sum of the current TR minus the TR from the 14 periods ago.
  7. Calculate the Positive Directional Movement 14 (PDM14) value, which is the sum of the current PDM values minus the PDM from the 14 periods ago.
  8. Calculate the Negative Directional Movement 14 (NDM14) value, which is the sum of the current NDM values minus the NDM from the 14 periods ago.
  9. Calculate the Positive Directional Index (PDI) by dividing the PDMAVG by TRAVG and multiplying it by 100.
  10. Calculate the Negative Directional Index (NDI) by dividing the NDMAVG by TRAVG and multiplying it by 100.
  11. Calculate the True Range Index (TRI) by dividing the TR14 by TRAVG and multiplying it by 100.
  12. Calculate the True Range Average Index (TRAI) by dividing the TRI by the specified number of periods (e.g., 14 periods).
  13. Calculate the Vortex Indicator by subtracting the previous day's True Range Average Index from the current day's True Range Average Index.


How does the Vortex Indicator handle sudden market news or events?

The Vortex Indicator is primarily used to identify the beginning of a new trend or the continuation of an existing trend, rather than being designed to react to sudden market news or events.


The indicator is based on the direction and magnitude of price movement. It analyzes two separate components: the Positive Vortex Movement (+VM) and the Negative Vortex Movement (-VM). These components are calculated based on the relationship between the previous and current price ranges.


During sudden market news or events, price volatility tends to increase, causing significant fluctuations. As a result, the Vortex Indicator may exhibit higher values for both +VM and -VM components, indicating increased buying and selling pressure. However, it is important to note that the indicator may not provide specific signals or insights into these events themselves.


Traders and investors often use other tools, such as news feeds, economic calendars, or event-driven analysis, to monitor and react to sudden market news or events. Combining these approaches can help market participants make informed decisions.


How is the positive Vortex Movement calculated?

The positive vortex movement is calculated by determining the circulation of a fluid flow. Circulation is defined as the line integral of the fluid velocity around a closed curve.


In mathematical terms, the circulation (C) of a vector field (V) around a closed curve (C) is given by:


C = ∮ V • dr


Where:

  • ∮ denotes the line integral around the closed curve C
  • V represents the velocity vector field
  • dr is a differential displacement vector along the curve C


To calculate the positive vortex movement, one would calculate the circulation of the velocity field around a closed curve in a counterclockwise direction. This would provide a measure of the strength and direction of the positive vortex in the fluid flow.


How does the Vortex Indicator differ from other technical indicators?

The Vortex Indicator is a unique technical indicator that is used to identify the beginning of a new trend, the continuation of an existing trend, as well as a reversal in a trend. It differs from other technical indicators in a few key ways:

  1. Calculation: The Vortex Indicator is calculated based on the True Range and a concept called the Positive and Negative Vortex Movement. It looks at the directional movement of price over a given period, rather than just the closing prices like many other indicators.
  2. Trend Identification: The Vortex Indicator is specifically designed to identify the beginning and continuation of trends. It does this by comparing the current price movement to previous price movements. This makes it particularly useful for trend-following strategies.
  3. Reversal Signals: Unlike some other indicators that primarily focus on trend identification, the Vortex Indicator also provides potential reversal signals. When the positive and negative vortex lines cross over each other, it can indicate a potential change in trend direction. This feature makes it useful for both trend-following and trend-reversal trading strategies.
  4. Volatility Consideration: The Vortex Indicator incorporates the True Range in its calculation, which accounts for price volatility. It takes into account the range between the high and low prices, giving more weight to larger price movements. This helps to filter out noise and focus on significant price changes.


Overall, the Vortex Indicator stands out from other technical indicators due to its focus on trend identification, inclusion of potential reversal signals, and consideration of price volatility. This makes it a valuable tool for traders looking to analyze market trends and make informed trading decisions.

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