exchange rate mechanism II (ERM II)

What is exchange rate mechanism II (ERM II)?

exchange rate mechanism II (ERM II) definition and meaning on Finance terms:
The exchange rate arrangement established on 1 January 1999 that provides a framework for exchange rate policy cooperation between the Eurosystem and EU Member States whose currency is not the euro. Although membership in ERM II is voluntary, Member States with a derogation are expected to join. This involves establishing both a central rate for their respective currency’s exchange rate against the euro and a band for its fluctuation around that central rate. The standard fluctuation band is