What are the key considerations when developing a rolling forecast that incorporates both top-down and bottom-up approaches, and how would you ensure that the forecast remains relevant and accurate over time?
A core FP&A interview question — asked in analyst and associate interviews across IB, PE, and the Big 4.
THE SHORT ANSWER
I would consider the company's overall strategic objectives and goals when developing the top-down approach, and then use the bottom-up approach to validate the assumptions and ensure that the forecast is grounded in reality. I would also establish a regular review and update process to ensure the forecast remains relevant and accurate over time.
WHAT INTERVIEWERS LISTEN FOR
- ✓Consider company's strategic objectives and goals
- ✓Use bottom-up approach to validate assumptions
- ✓Establish regular review and update process
COMMON MISTAKES
- ✗Failing to consider company's strategic objectives and goals
- ✗Not establishing a regular review and update process
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