Definition: Working / trading day adjustment

Category: OECD - Data and Metadata Reporting

Working day or trading adjustments refer to the correction for differences in the number of working or trading days in a given month or quarter which differ from year to year which will impact upon the level of activity in that month or quarter for flow series or the sort / type of day for stock series.

In most countries working day adjustment and trading day adjustment are used as synonyms. http://ec.europa.eu/eurostat/ramon/coded_files/OECD_data_metadata_report_handbook_EN.pdf
Source:
Task force on data and metadata presentation for the OECD Short-term Economic Statistics Working Party (STESWP), Paris, 2004 [quoted in Organisation for Economic Co-operation and Development (OECD), "Data and Metadata Reporting and Presentation Handbook", OECD, Paris, 2007]
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