Changes of exchange rate behavior during and after crisis

This study extends earlier analysis, in which behavior of dailyexchange rates during the global crisis was compared to that before crisis.We repeat similar comparison for data set extended until the end of April2010, use ARMA/ARMAX and GARCH models with stock indices asadditional regressors, for volatility and returns of EURPLN, EURUSD,USDPLN exchange rates. Marked increase in volatility during crisis,negatively affected quality of models. After crisis volatility and returns seemto stabilize, hence exchange rate risk seems to decline gradually. There isa slight improvement in quality of models after the crisis