A bi-weekly challenge from Andre Mirabelli & Opturo

When using a Dietz calculation for the returns of traded components of a portfolio on a single day, do all components have to use the same timing rule, or can some use all trades at open and others use purchases at open and sales at the close, etc., and still have these component returns roll up to the correct portfolio return?
And how should the “cash” bucket, into which sale proceeds are put or from which purchases are funded, get treated in all these cases?

A bi-weekly challenge from Andre Mirabelli & Opturo

Related news

A bi-weekly challenge from Andre Mirabelli & Opturo

What if I invested by first doing an allocation among countries and then an allocation among sectors within countries, could I evaluate my sector allocation using a single-allocation Brinson model?See the paper and Excel example in Opturo's newsroom.

Opturo’s Proprietary IRR Engine Memo

Read how Opturo's proprietary IRR engine fixes the issues found in traditional IRR calculations like Excel's XIRR function.
Read more

How ODIN’s Configuration Control improves data operations

Imagine trying to scale your data operations without knowing exactly what changed, when it changed, or why. For many firms, that's the daily reality—managing complex analytics workflows with limited transparency and version control. That's where ODIN's Configuration Control makes a difference. ODIN empowers teams to track every change in their configuration—from business logic to processing…
Read more