By Gareth Vaughan
Moves in mortgage and deposit rates since the Reserve Bank began increasing the Official Cash Rate in March show savers losing out, bank margins rising and competition for borrowers meaning there are still competitive home loan rates on offer.
The Reserve Bank increased the OCR for the first time in almost four years on March 13, and has since made a further three increases including last Thursday's 25 basis points hike to 3.50%. In total the OCR has risen by 100 basis points in five months.
Interest.co.nz has reviewed average carded, or advertised, bank mortgage and deposit rates between March 7, the Friday before the first OCR hike, and July 25, the Friday after the most recent increase.
This shows the average carded floating mortgage rate up 67 basis points to 6.45%, although as of last Friday only ANZ and ASB had increased their floating mortgage rates post last week's OCR increase. BNZ, Westpac, TSB, Kiwibank and the Co-operative Bank have since followed suit. The banks that have hiked now have carded floating rates between 6.59% and 6.75%.
Between March 7 and July 25 the average one-year mortgage rate increased 52 basis points to 6.01%, the average two-year rate rose 37 basis points to 6.33%, and the average three-year rate rose just 3 basis points to 6.45%.
Banks have been targeting the two and three year fixed terms with "special" offers including the likes of SBS' 5.95% three year rate, TSB's 5.80% two year rate, and HSBC's 5.85% one to three year rates for its "premier" customers. Unsurprisingly borrowers have been flocking to fix their mortgages.
For savers, meanwhile, the average six month carded, or advertised, term deposit rate is up 27 basis points to 4.09%, and the average 12 month term deposit rate is up 25 basis points to 4.32%.
The margin between the average one year mortgage rate minus the average one year term deposit rate has increased by 27 basis points to 1.69%. The margin between the average one year mortgage rate and the one year swap rate has risen 12 basis points to 2.14%. And the margin between the average one year term deposit rate and the one year swap rate has narrowed by 15 basis points to 45 basis points.
Over the March 7 to July 25 period credit default swap spreads for investment grade corporates fell about 10 basis points to around 61 basis points.

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See all bank carded, or advertised, home loan rates here
See all bank carded, or advertised, term deposit rates for one to nine months here, and all rates from one to five years here.
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