Sensitivity Analysis overview — the what-if tool in planEASe. Sensitivity Analysis varies any single assumption across a range of values and shows how a chosen measure (IRR, NPV, Cash on Cash, DCR, Cap Rate) responds to each value.

Assumption Page List (top right): shows all assumptions in the current file — the assumption being varied is selected from this list. Linked assumptions vary automatically — if loan amount is entered as a percentage of price and sale price is entered as a percentage of price, varying the price automatically recalculates the loan amount, depreciation, amortization, and all linked values simultaneously for each price tested.

Setup: select the assumption to vary (left side); select the measure to vary against (IRR Before Tax, IRR After Tax, NPV Before Tax, NPV After Tax, first year ratios — Cap Rate, Cash on Cash, DCR, Loan Amount); enter Start, Stop, and Steps values for the range; click Run. Results display as a one-page table and graph showing the measure at each assumption value.

Click Another to return to the setup area and add another sensitivity without losing the first result. Compare: click Compare to run the same assumption variation against multiple files simultaneously — all files are plotted on the same graph for direct comparison. Files must share the assumption being varied. Useful for comparing two properties, two loan scenarios, or two lease structures against the same variable.

See the individual Sensitivity movies for specific applications: Price of Property, Holding Period, Vacancy, Sale Price, Market Profile variables (Months Vacant, Market Rent, Renewal Probability, TIs, Lease Duration), Development Land Price, Unit Sales multipliers, Lease vs Buy comparisons, and Valuation.