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Inflation index reference for a given date formula

Description of the Inflation index reference for a given date formula

Formula for the calculation of the inflation index reference for a given date

Formula

\[ IPC_{v} = IPC_{m-3} + \frac {j_{v}+1}{J_{m}} \cdot ( IPC_{m-2}-IPC_{m-3} ) \ \]

Symbols

\(IPC_{m-2}\ \)       
CPI of month m-2
\(IPC_{m-3}\ \)       
CPI of month m-3
\(J_{m}\ \)       
Number of days in month m
\(j_{v}\ \)       
Day number of the value date (e.g. 5 if value date is July 5th)