Thanks Martin 
So why isn’t it available for all instruments ? Is it for those with 0 of either short and 0 long positions ?
pipo I had the same question but didn’t find your post before asking 
Thanks Martin 
So why isn’t it available for all instruments ? Is it for those with 0 of either short and 0 long positions ?
pipo I had the same question but didn’t find your post before asking 