The Vortex Indicator (VI) is a technical analysis tool used in finance to determine trend changes and potential trend reversals in a financial market. It is calculated by taking the difference between two consecutive high and low prices, and then dividing the result by the sum of the high and low prices.The Vortex Indicator consists of two oscillating lines, known as the positive vortex indicator (VI+) and the negative vortex indicator (VI-), which move above and below a zero line. When the positive vortex line crosses above the negative vortex line, it is a bullish signal and may indicate the start of an uptrend. Conversely, when the negative vortex line crosses above the positive vortex line, it is a bearish signal and may indicate the start of a downtrend.The Vortex Indicator is plotted on a chart and can be used in combination with other technical analysis tools to gain a more comprehensive view of market trends and potential price movements. For example, traders may use the Vortex Indicator in conjunction with trendlines, moving averages, or momentum indicators to confirm or deny trends and to determine entry and exit points for trades.In conclusion, the Vortex Indicator (VI) is a technical analysis tool that is used to determine trend changes and potential trend reversals in a financial market. By using the Vortex Indicator, traders can gain insight into market trends and potential price movements and make informed investment decisions. However, it's important to consider the Vortex Indicator in conjunction with other market data and technical indicators, in order to form a more comprehensive view of market trends and to avoid relying on a single indicator.