Gann Angles are a technical analysis tool used in financial markets to analyze and forecast price movements. They were developed by the legendary trader and analyst W.D. Gann. Gann believed that specific geometric angles could help predict price and time patterns in the financial markets.

The key idea behind Gann Angles is based on the concept of price and time relationships. Gann believed that the markets move in geometric patterns and that certain angles can be drawn on charts to identify potential support and resistance levels, as well as to predict future price movements.

Here are the basic principles of Gann Angles:

1. **45-Degree Angle (1×1 Angle):** This is the most important angle according to Gann. It represents a one-to-one relationship between price and time. In an uptrend, a 45-degree angle drawn from a significant low can act as a support line, and in a downtrend, it can act as a resistance line.

2. **Horizontal (1×0 Angle):** This angle represents a horizontal line and is used to identify areas of potential support or resistance based on time alone.

3. **Vertical (0x1 Angle):** This angle represents a vertical line and is used to identify areas of potential support or resistance based on price alone.

Gann Angles can be applied to different timeframes, and traders use them to identify potential reversal points, trend strength, and important price levels. Traders may also use Gann Fans, which consist of multiple Gann Angles drawn from key pivot points.

It’s important to note that Gann Angles are a subjective tool, and their effectiveness can vary among traders. Some traders find them to be useful, while others may not incorporate them into their analysis. Like any technical analysis tool, it’s recommended to use Gann Angles in conjunction with other indicators and analysis methods for a more comprehensive view of the market. Additionally, the interpretation of Gann Angles may require a certain level of experience and skill in technical analysis.