Yes, you can pull the transaction history for any given Publisher (for example, [BTC/USD][1]) to build a historical price chart. Each transaction includes the price of the asset as well as the publish time slot.

[![enter image description here][2]][2]


  [1]: https://pyth.network/price-feeds/#Crypto.BTC/USD
  [2]: https://i.sstatic.net/CHmoY.png