Sensitivity analysis tests how financial outcomes change when a single assumption is varied, isolating the variables that have the most impact on profitability, cash flow, or valuation.

Where scenario planning changes multiple assumptions simultaneously, sensitivity analysis changes one at a time. What happens to net profit if gross margin falls by three percentage points? What happens to free cash flow if the average collection period extends by 15 days? What happens to the business’s value if EBITDA is 20 percent below plan? Each question isolates the sensitivity of the outcome to a specific variable.

The output tells which assumptions a business is most exposed to, and therefore which variables deserve the most management attention and the most conservative planning assumptions. A business that is highly sensitive to gross margin erosion should be monitoring margins weekly. One highly sensitive to receivables timing should be managing collections aggressively. Sensitivity analysis makes those priorities explicit rather than leaving them to intuition.

Knowing which variables most affect financial outcomes focuses management attention where it actually matters. See how Wefinx approaches Virtual CFO services.

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