Updated weights for Trade-Weighted Index 9 December

The annual re-weighting of the Trade-Weighted Index (TWI) takes effect on Friday 10 December 2021.

The TWI is a measure of the value of the New Zealand dollar relative to the currencies of New Zealand’s major trading partners. There are 17 currencies included in the TWI and each currency is weighted using the country’s two-way goods and services trade with New Zealand.

The new weights will be applied going forward. The historical calculations of the TWI are not backdated with the new weights. The current TWI weights and those that will apply for the next 12 months are:

CurrencySymbol Old weight New weight
Chinese yuan CNY 0.2348 0.2704
Australian dollar AUD 0.1871 0.1729
United States dollar USD 0.1364 0.1357
Euro zone euro EUR 0.1042 0.1005
Japanese yen JPY 0.0607 0.0568
Singapore dollar SGD 0.0431 0.0447
South Korean won KRW 0.0374 0.0353
United Kingdom pound GBP 0.0409 0.0322
Thai baht THB 0.0269 0.0284
Malaysian ringgit MYR 0.0224 0.0205
Indonesian rupiah IDR 0.0171 0.0185
Taiwanese dollar TWD 0.0177 0.0181
Indian rupee INR 0.0184 0.0174
Vietnamese dong VND 0.0146 0.0164
Canadian dollar CAD 0.0149 0.0127
Hong Kong dollar HKD 0.0135 0.0122
Philippines peso PHP 0.0099 0.0073
Scaling factor 76.7336 77.1060

Technical information about the TWI is available on the TWI weights table.

Go to the TWI weights table

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