OSE has set up SPAN Parameter for calculating margin  requirements as follows.
 
This SPAN Parameter is used for calculating "SPAN Risk Parameter Files" which are distributed on a daily basis. OSE sets and publishes new Parameters on the first business day of each week, which are applicable from the first business day of the next week.
*Please click here for trial calculation value of the Price Scan Range of Nikkei 225 (Updated every Wednesday).
 
             
           
 

