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Glossary

The glossary offers definitions of technical terms commonly used in BIS statistics.
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Narrow (27 economies)

Weighted average of bilateral exchange rates calculated using a smaller group of major trading partners (26 for nominal indices, 27 for real indices). It offers longer historical coverage thanks to consistent and reliable data for these core economies (from 1964 and 1983 for monthly and daily data, respectively). See "Effective exchange rates"