# `pricefeed` 1. **[Concepts](01_concepts.md)** 2. **[State](02_state.md)** 3. **[Messages](03_messages.md)** 4. **[Events](04_events.md)** 5. **[Params](05_params.md)** 6. **[EndBlock](06_end_block.md)** ## Abstract `x/pricefeed` is an implementation of a Cosmos SDK Module that handles the posting of prices for various markets by a group of whitelisted oracles. At the end of each block, the median price of all oracle posted prices is determined for each market and stored.