CPI, Reference CPI and Index Ratio

Source:

Bureau of Trade and Economic Indices, Ministry of Commerce - http://www.price.moc.go.th.

Remark:

1. Reference CPI is calculated using the CPI data obtained from Bureau of Trade and Economic Indices, Ministry of Commerce - http://www.price.moc.go.th.

2. Reference CPI from April-2010 to February-2013 is calculated by CPI (Base B.E. 2550).

3. Reference CPI from March-2013 to February-2017 is calculated by CPI (Base B.E. 2554).

4. Reference CPI from March-2017 to February-2021 is calculated by CPI (Base B.E. 2558).

5. Reference CPI starting from March-2021 is calculated by CPI (Base B.E. 2562).

6. The following formula is used for deriving the Reference CPI on Day t.

Remark:

1. Index Ratio from July-2011 to February-2013 is calculated by Reference CPI (Base B.E. 2550).

2. Index Ratio from March-2013 to February-2017 is calculated by Reference CPI (Base B.E. 2554).

3. Index Ratio from March-2017 to February-2021 is calculated by Reference CPI (Base B.E. 2558).

4. Index Ratio starting from March-2021 is calculated by Reference CPI (Base B.E. 2562).