An eye on any sudden changes in the correlation values is always important as it may provide a trading opportunity. The reason is simple that temporary major changes in the correlations may ultimately try to normalize to their longer-term averages.
Let's check the EUR/USD correlations with some of the other pairs. The following data compares last week's average against past one year's average.
The major changes are seen in the correlation of the following pairs:
USD/CHF held it's strong opposition to EUR/USD with almost no change in the position. The very strong correlation between these pairs saw a minor change of -0.94 to -0.91.
You may check more about correlation of currency pairs here.
Connect with the author at Google: +Himanshu Jain.