A stress test reruns the full simulation under a stated what-if, for example “adoption is half what we expect”. It is saved next to the base run so you can compare them. Stress tests are hidden by default in Run history.
Select a bar in the tornado to see its break-even: how wrong the estimate would have to be before another option wins. If the break-even is comfortably outside your range, say so in your recommendation. It is evidence the choice is robust.
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