The Eggman Prophet Market report with a neat graph on the prices of grain, eggs and other commodities. Egg production, hatchery info.
Some people like to predict market prices by looking at the hatch and the projected flock size.
Here is a site where you can find those numbers from the government. Grain prices at various locations. I have placed these links for those who want to figure out cost of production in various parts of the U.S. and the world. This is the daily corn report, which is 10 minutes delayed from the Chicago Board of Trade. LeeSchrader's Egg Price Prediction.