# Oracles ### External Oracles Bancor V3 does not use external oracles for price discovery. ### Internal Oracles Bancor V3 pools calculate the EMA (**E**xponential **M**oving **A**verage). The EMA is a type of [weighted moving average (WMA)](https://www.investopedia.com/terms/l/linearlyweightedmovingaverage.asp) that gives more weighting or importance to recent price data. The EMA is used to see price trends over time. {% hint style="info" %} This was recently updated from the use of SMA (**S**imple **M**oving **A**verage) which included time as a factor in calculating the SMA rate. This new calculation (EMA), is more resilient to price manipulation even on smaller pools. {% endhint %} --- # 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.bancor.network/about-bancor-network/security-and-audits/oracles.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.