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Updated weights for Trade-Weighted Index

The annual re-weighting of the Trade-Weighted Index (TWI) takes effect on Friday 13 December 2019.

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:

Currency Symbol Old weight New weight
Chinese yuanCNY0.21110.2290
Australian dollarAUD0.19840.1919
United States dollarUSD0.13380.1327
Euro zone euroEUR0.10950.1053
Japanese yenJPY0.06510.0639
United Kingdom pound GBP0.04340.0410
Singapore dollarSGD0.03760.0387
South Korean wonKRW0.03650.0354
Thai bahtTHB0.03060.0300
Malaysian ringgitMYR0.02610.0257
Indian rupeeINR0.02140.0187
Taiwanese dollarTWD0.01680.0172
Indonesian rupiahIDR0.01580.0166
Canadian dollarCAD0.01480.0156
Hong Kong dollarHKD0.01590.0151
Vietnamese dongVND0.01350.0135
Philippines pesoPHP0.00970.0097
Scaling factor 76.664976.6926

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

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