This is an HTML version of an attachment to the Official Information request 'Further information on series B26'.






UNCLASSIFIED 
 
01 
April 
2026 
        ref: 
OIA2526_170 
Greg Ebert 
By email: [FYI request #33974 email]  
 
Tēnā koe Greg 
Further Information about Series B26 
Thank you for your 06 March 2026 request under the Official Information Act 1982 (OIA), for:  
 
Can you please provide all available data for series B26, alongside, in spreadsheet 
form, the publication date for each observation in series B26. 
 

On 27 March 2026, you further refined your request to:  
 
Can you please provide the first publication date. 
 
Response 
The Reserve Bank of New Zealand – Te Pūtea Matua (RBNZ) can advise that the first publication date 
for B26 was 10 February 2020.  
All data for the B26 series is available as a downloadable spreadsheet file from the RBNZ website at: 
www.rbnz.govt.nz/statistics/series/exchange-and-interest-rates/new-interest-bearing-term-deposit-
interest-rate.  
Further information about the introduction of the expanded Retail Interest Rates survey, from which the 
B26 table is derived, is also available, at: www.rbnz.govt.nz/-/media/project/sites/rbnz/files/regulation-
and-supervision/banks/surveys/definitions-for-bank-retail-interest-rate-survey-2023.pdf. 
This response may be published on the RBNZ website during our regular publication cycle. Typically, 
information is released monthly, or as otherwise determined. If we publish this response, your name 
and contact details will be removed before publication.  
 
 
 
Ref #22696461 v1.1 
UNCLASSIFIED 

 2  
We encourage you to raise any concerns you have about this response with the RBNZ directly. 
Alternatively, you have the right to seek an investigation and review of this response from the Office of 
the Ombudsman. Information about how to make a complaint is publicly available, at 
www.ombudsman.parliament.nz or freephone 0800 802 602.  
 
Nāku noa, nā 
 
 
 
John McDermott 
Assistant Governor, Operations 
2    
UNCLASSIFIED