The RBNZ has announced new weightings for the trade-weighted index
As of Wednesday 17 December 2014:
- the number of currencies included in the TWI will be increased from five to 17;
- the weights for each currency will be based on the two-way trade in goods and services between the foreign country and New Zealand;
- the TWI-17 will have a base of 31 October 2014 = 76.4400, which was the level of the existing TWI-5 on that day
