The FAST Standard

Good Models Should Be – Flexible, Appropriate, Structured & Transparent

The FAST modeling standard was pioneered by the founder of Financial Mechanics, John Richter, and Morten Siersted over 15 years ago and is now used by thousands of modelers across the globe as a ’shared language’ for modelling. The Standard advocates a philosophy of good financial model design rules founded on the acronym FAST: flexible, appropriate, structured, and transparent. It advocates transparent model structure and clear crisp modeling style.

The Standard has been developed from the experience of industry practitioners who have learned simple techniques to replace overly-clever ‘good ideas’ that proved bad in practice over time. It documents a skilled craft that is functional within the realities of the business environment.
As a minimum objective, models must be free of fundamental omissions and logical errors, and this outcome must be achieved under short lead times. However, a good model must achieve more than this minimum standard. It must be easily used and reviewed by others and readily adaptable as circumstances change.

– Robert-Jan Bakker, Deloitte

Flexible

Model design and modeling techniques must allow models to be adapted easily and quickly when new information becomes available

Appropriate

Models must reflect key business assumptions directly and faithfully without being over-built or cluttered with unnecessary detail

Structured

Rigorous consistency in layout and organization is essential to retain a model’s logical integrity over time, particularly as a model’s author may change

Transparent

Our modeling approach is founded on simple, clear calculations that can be understood by other modelers and non-modelers alike.

LEARN HOW TO APPLY THE FAST STANDARD, AND IMPROVE THE WAY YOU DO BUSINESS!

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