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Rate curves

Select chart tabs

Mortgage 2yrs less variable %
Source: RBNZ
Mortgage 5yrs less 1yr %
Source: RBNZ
Govt bond 5yrs less 1yr %
Source: RBNZ
Govt bond 10yrs less 2 yr %
Source: RBNZ
Term deposit 5 yrs less 1 yr %
Source: RBNZ

Rate curves record the variation between interest rates at two different terms. Common ones are the ten-year-rate-less-the-one-year-rate, or the five-year-rate-less-the-one-year-rate.

If longer terms rates are higher than short term rates, the rate curve is said to be 'positive' - that is the normal state of affairs.

But if short term rates are higher than longer term rates, that is relatively unusual, and the rate curve is said to be 'negative'. New Zealand rates in the period 2004 to 2008 displayed this unusual trend. A 'negative rate curve' is unsustainable in the long run, and is often an early indicator of a coming recession - but curiously, when it occurs at the time many observers say "but this time it's different". It never is.

Note that between July 2009 and July 2010, and in regular intervals after this time there was no one year NZ Government bond. In instances where there is no one year bond the curve reflects the closing yield of the ten year security and vice versa if there is no ten year bond on issue.

1 Comments

Your graph needs to have negative capacity on the y axis for the NZ Government Bond 2s/10s spread

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