
A Bank of Korea blog post describes a 'poverty amid plenty' pattern, where US dollars are abundant in the foreign currency funding market but exporters and investors are reluctant to sell them in the spot market. As a result the USD/KRW rate has risen and stayed elevated, which the author compares to levels seen in the 1997 and 2008 crises.
Persistent won weakness raises the dollar cost of imported feed ingredients in Korea. The analysis concerns currency mechanics rather than a change in grain supply or demand.
Not enough comparable past events yet for a historical read.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.