Essay
The forecast is a trust problem, not a math problem
Jun 10, 2026 · 4 min read · Jay Campbell
Sit in enough forecast reviews and a pattern emerges. The CRO squints at the number, the VP squints back, and everyone quietly divides by two. The math is not the problem. The inputs to the math are the problem.
A forecast built on rep-entered stages and rep-chosen close dates is a forecast built on people who are optimizing for how the pipeline looks this Friday, not for accuracy in ninety days. This is rational behavior. It is also the reason no one trusts the output.
Trust is upstream
You cannot buy trust in the forecasting tool. You have to earn it in the data pipeline that feeds the forecasting tool. That means:
- Every stage change is tied to a verifiable event, not a checkbox.
- Every close date has a reason attached. A specific commitment from the buyer.
- Every "commit" deal has evidence of the Economic Buyer having said yes on a call.
Do that, and the QBR gets shorter. The number stops being a negotiation. It starts being a confirmation.