I take my cue from several e-mails I have received concerning some corn calendar spreads, especially ZCK23-ZCN23 and ZCN23-ZCZ23, to make an analysis. The calendar spreads on corn are going up, some David CarliI am a macroeconomic and financial analyst with over 30 years’ experience, including two years as a fund manager. I specialise in currencies and commodities, and I am the author of several successful books on trading, macroeconomics, and financial markets.