# Oracles and Price Feeds Helios relies on price oracles for BTC and other assets to feed its risk model and determine when liquidations occur. Pricefeed oracles will be fetched from Chainlink and/or from other Chainlink-compatible oracle providers that matches the datatypes and formats. --- # 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://helios-finance.gitbook.io/helios-finance/oracles-and-price-feeds.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.