## Bus 252BR

Subtype of NameBrazilian Business 252

Let

**be the period between two dates**

*[T₁,T₂)***and**

*T₁***, of which the length**

*T₂***in annual units must be calculated**

*L*Calculation rule:

Let

**be the number of business (market) days according to Brazilian calendar of the period**

*N*

*[T₁,T₂)*Then

*L = N/252*