RE: UT 2,033,8456 Aug 2021 17:50
No worries Jeff
In simple terms, say you gave me 1,000 quid so I give you the return on FTSE 100 in a years time. Now I will invest in all 100 shares that make up the FTSE 100 in the same proportion that makes up the index so I can pass on the same return. Now if I don't invest in those shares and in the same proportions, I have a risk that I wont give you the same return as the return on ftse 100. This risk is basically basis risk.
Those investment managers who take on a basis risk expecting to generate higher returns than the ftse 100 are called active investment managers and those that mimic the ftse 100 and no basis risk are called passive investment managers.
Hope that helps.