For analyzing the best pairs to trade looking from a longer term perspective the last 12 months currency classification can be used in support. This was updated on 31 July 2016 and is provided here for reference purposes: 
Strong: USD, JPY. The preferred range is from 7 to 8.
Average: CHF, NZD. The preferred range is from 5 to 6.
Weak: EUR, GBP, AUD, CAD. The preferred range is from 1 to 4.

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12 Months Currency Score Strength

The 12 Months Currency Strength and the 12 Months Average are provided here below. This data and the “12 months currency classification” are considered for deciding on the preferred range. Because it is not ideal nor desired to change the range for a currency every single month, we perform several checks to avoid this.

As can be seen in the “Currency Strength Table” here above the NZD has a very strong score of 7 during the last 3 months. Although it is still almost a whole point seperated from the USD, which is the strong currency, the NZD is getting closer to become a strong currency also.

Here below you can see the Monthly Currency Score Chart with 24 months data as a reference. showing the the NZD and the USD.

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Currency Score Comparison

“Comparison Table” and the “Ranking and Rating list”

The Forex Currency Comparison Table compares each currency with its counterpart based on the Currency Score. For more information about the currency Score of this month you can read the article “Forex Ranking, Rating and Score” which is published every month together with this article.