November 2011
Beginner
335 pages
9h 33m
English
The foremost reason central banks switched from an arithmetic to a geometric calculation of TWIs is because they can track percent changes in the TWI to percent changes in spot-currency pairs without affecting the base period. Both coincide perfectly. This allows many possibilities to trade spot against trade weight indices.
In the United States, the St. Louis Federal Reserve, through its Federal Reserve Economic Data System called FRED, tracks the U.S. Broad Index based on change, percent changes, and compounded rates of change. FRED can be factored for any TWI against any currency pair using the same methodology. Charts can be constructed based on TWI to the most interested pairs to a particular central ...
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