The Polish grain market is experiencing price fluctuations, with consumer wheat, rapeseed, and corn prices reaching record highs. The dynamic market is driven by the demand for feed grain. However, concerns are raised that the high prices may discourage farmers from selling their grain supplies. The price range for rye, malting barley, and oats is also mentioned in the article. The future trends in the grain market are uncertain, with analysts cautious in their forecasts.