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Welcome to the PnL Explained Professionals Home Page! 


Main Page by Topic

A. PnL Explained

B. CTRM Software

C. Statistics


Last Updated June 2024


Our Mission

a) Educate the world about PnL explained reporting (a.k.a. PnL Explain/PnL Attribution/P&L Explained/P&L Attribution/Profit and Loss Explained)

b) Provide a forum for PnL Explained Professionals to share information and help them meet their professional goals.

c) Provide credentials to professionals to help demonstrate that they have reached a minimum level of proficiency in PnL explained reporting.


Our Motto

Res Non Ipsa Loquitur


PnL Explained

Profit and/or Loss (PnL) Explained also called P&L Attribution is a type of report commonly used by traders, especially derivatives (swaps and options) traders, that attributes or explains the daily fluctuation in the value of a portfolio of trades to the root causes of the changes.  PnL is usually defined as value today minus value from prior day.  PnL Explained is defined at a high level as


or in more detail:

For more, see PnL Explained FAQ and PnL Explained Glossary


And also see MTM Explained and Greeks Explained



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This website last updated June 2024