# Trend following Measure the direction and strength of a trend, using some from of price averaging to establish a baseline. As price moves above the average, it can be thought of as a bullish trend. When prices fall below the average, it signals a bearish trend. * **Moving averages (lagging):** Are used to identify current trends and trend reversals, as well as to set up support and resistance levels. * **Moving average convergence divergence (MACD) (Lagging):** Used to reveal changes in the strength, direction, momentum and duration of a trend in a stock’s price. * **Parabolic stop and reverse (Parabolic SAR) (Leading):** Used to find potential reversals in the market price direction. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.yummyprofit.com/indicator-and-strategy/trend-following.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.