Glossary > —T— > Total Period Forecast
Total Period Forecast
The forecasted external and internal demand per period as calculated by the Inventory Optimization process.
In a weekly planning system, it is calculated as Total Daily Forecast * 7
In a monthly planning system, it is calculated as Total Daily Forecast * 30 when the LEVELS_DAYS_CONSTANT global setting is true or by calendar days in a month when the LEVELS_DAYS_CONSTANT global setting is false
Comparison fields 
For comparison fields, there are three values shown per field:
(A) — The value from the first scenario selection
(B) — The value from the compare scenario selection
(Delta) — The difference between the two selections
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