Delayed Harvest and Expiration – Traders Exclusive – Chris Robinson talks about the grains, expiration, and the cattle market. One key thing to know about the grains is that the harvest has been delayed. Posted on October 21, 2014January 11, 2018 by Chris Robinson Delayed Harvest and Expiration – Traders Exclusive – Chris Robinson talks about the grains, expiration, and the cattle market. One key thing to know about the grains is that the harvest has been delayed.