> and final periods. In terms of algorithmic complexity, this simplification reduces O(n)

> multiplications to O(1) additions.

Knowing the initial and final prices makes the compound return easy, O(1), to calculate even for returns too, not only for log returns: (Pn – P0) / P0

From your sentence it seems that only log returns have that property.

Great article and thank you for posting it!

]]>