Is there such a thing as Insider Trading in Global Macro trading?
I haven't heard of any, but I could imagine that if you're say a global macro trader (rates,credit....etc) in a HF and your friend happens to work for some Central Bank/Ministry of Finance in an emerging market/developed economy, you could be making lots of money. I would consider that insider trading.... if you receive non-public information about possible interest rate changes/debt issuance/restructurings/export-import numbers...etc. And who exactly would enforce this? I bet there are some Global Macro HFs out there doing just that.