Vortex Indicator
A vortex indicator (VI) is an indicator composed of two lines - an uptrend line (VI+) and a downtrend line (VI-). These lines are typically colored green and red respectively. A vortex indicator is used to spot trend reversals and confirm current trends.
Definition:
The Vortex Indicator (VI) is a technical analysis tool composed of two lines: the positive trend line (VI+) and the negative trend line (VI-). These lines are typically colored green and red, respectively. The Vortex Indicator is used to identify trend reversals and confirm current trends.
Origin:
The Vortex Indicator was introduced by Etienne Botes and Douglas Siepman in 2010. They were inspired by the vortex patterns found in nature and believed that market price movements could be analyzed in a similar way.
Categories and Characteristics:
1. Positive Trend Line (VI+): Indicates an upward trend in the market. When VI+ is above VI-, it suggests the market is in an uptrend.
2. Negative Trend Line (VI-): Indicates a downward trend in the market. When VI- is above VI+, it suggests the market is in a downtrend.
The Vortex Indicator is known for its ability to quickly identify trend changes, aiding investors in making buy or sell decisions.
Specific Cases:
1. Case One: Suppose a stock's VI+ rises from 0.8 to 1.2, while VI- falls from 1.0 to 0.7. This indicates that the stock may be entering a new uptrend, and investors might consider buying.
2. Case Two: Suppose a stock's VI+ falls from 1.1 to 0.9, while VI- rises from 0.9 to 1.1. This indicates that the stock may be entering a new downtrend, and investors might consider selling.
Common Questions:
1. How are VI+ and VI- calculated? The calculation of VI+ and VI- involves a series of complex formulas, typically handled by technical analysis software.
2. What about the lag of the Vortex Indicator? The Vortex Indicator may have some lag, so it is recommended to use it in conjunction with other technical indicators for comprehensive analysis.