Search: TWI
RBA Glossary definition for TWI
TWI – Trade-weighted index. The TWI is the weighted average value of the Australian dollar in relation to the currencies of Australia's trading partners. The base level was set at 100 in May 1970. The TWI is calculated daily at 4 pm.
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Trade-weighted Index Calculation Methodology
30 Nov 2012
Statistics
PDF
101KB
backcast to May 1970, which was chosen as the base period for the TWI. ... That is, at each time t, the TWI was calculated using the following formula:.
https://www.rba.gov.au/statistics/frequency/twi/pdf/twi-calculation.pdf