As of 29th of June 2005, the Clearing House of the WTB Hannover rises the Initial Margin Rates for Table Potatoes from 400 € to 600 €, for Futures on Processing Potatoes from 600 € to 800 € and for Futures on London Potatoes from 500 € to 600 €.
All rates are for Clearing Members.
You can download all actual Initial Margin Rates by clicking here.