The structural reason forecasts collapse in the last week

Last-minute surprises are rarely surprises.

Many revenue teams experience the same pattern.

Forecasts look stable for weeks, then suddenly change during the final days of the quarter.

The reason is rarely last-minute deal movement.

More often the system lacks clear signals about deal maturity.

Deals that appear advanced in the pipeline are sometimes still early in the buying process.

When real buying signals finally emerge, the forecast quickly adjusts.

Reliable forecasts require visibility not only into pipeline stages