KIWISAVER • MARKET UPDATE
What is happening in KiwiSaver markets right now, August 2026
By Aimee Trott • Published 7 August 2026
Global share markets have pushed to near record highs through the middle of 2026, driven by strong company earnings and heavy investment in artificial intelligence, although the gains have been concentrated in a small number of large companies. New Zealand’s Reserve Bank has started lifting the Official Cash Rate again, reaching 2.50 percent in July 2026. For most KiwiSaver members, the sensible response is to check your fund still matches your timeframe and comfort with risk, not to try and time the market.
What is actually happening in global share markets in 2026?
Share markets have had a strong run through 2026, supported by solid company earnings and a wave of business investment tied to artificial intelligence. That investment cycle has become one of the biggest drivers of global economic activity this year, and it has helped push major indices to or near record highs.
There is a catch worth understanding. A relatively small group of large companies, mostly linked to AI, have driven much of that gain. Many other companies and sectors have moved far more modestly. This narrower kind of market leadership tends to mean more day to day bumps, even while the overall trend stays upward, since the market’s gains are resting on fewer shoulders than usual.
What is happening with interest rates in New Zealand?
The Reserve Bank raised the Official Cash Rate to 2.50 percent on 8 July 2026, a move that came slightly earlier than many economists had expected. Rates had been cut steadily over the previous two years, so this marks a genuine shift in direction.
Most bank economists expect further gradual increases through the rest of the year, with the OCR forecast to settle somewhere near 3 percent by early 2027. This is not expected to be a return to the much higher rates seen a few years ago, more a steady normalising from unusually low levels.
What does this actually mean for my KiwiSaver balance?
It depends heavily on what type of fund you are in, which is really the whole point of having a fund that matches your situation in the first place.
- Growth and aggressive funds hold more shares, so they are the most exposed to the AI driven rally, and also the most exposed if that narrow leadership unwinds.
- Balanced funds sit in between, with a mix of shares and more stable assets, so they feel both the upside and any bumps, but usually less sharply.
- Conservative funds hold mostly cash and bonds, so they are far less affected by share market swings, and can actually benefit as interest rates rise, since that lifts returns on the cash and short term investments they hold.
If my KiwiSaver balance has gone down, have I actually lost that money?
Not unless you switch funds or withdraw while your balance is down. While you remain invested, a drop in your balance is what is known as a paper loss, or an unrealised loss. It reflects the current market value of your investment on that particular day, it is not money that has actually left your account.
Here is a simple way to think about it. If your balance was $50,000 and market movements take it down to $47,000, you have not lost $3,000. You still hold exactly the same investments, just at a lower current value. If markets recover, as they generally have over time, that value can recover with them. The loss only becomes real, or realised, if you sell at that lower point, either by switching to a different fund or withdrawing the money while the value is down.
This is exactly why staying invested through short term dips matters, particularly if you are years away from needing the money. Reacting to a paper loss by switching funds is one of the more common ways people accidentally turn a temporary dip into a permanent one. It is also worth saying plainly, this logic applies less the closer you are to actually needing the money, which is part of why the right fund for your timeframe matters so much in the first place.
What should I expect for the rest of 2026?
Most major forecasters remain constructive on growth for the second half of the year, but they are flagging genuine watch points too, including inflation risk, energy prices, and the concentration of gains in a small number of companies. The realistic expectation is a market that can still move higher over time, but with more volatility along the way than the smooth run of the past year might suggest.
What this might mean depending on your situation
These are general examples to illustrate how different circumstances change what matters, not personal advice. Everyone’s situation is different, which is exactly why a review matters.
If you are in your twenties or thirties, with decades until retirement
Short term market swings matter far less to you than the type of fund you are in and how consistently you are contributing. A growth or aggressive fund is generally appropriate for this stage, and short term dips are usually just noise over a multi decade timeframe.
If you are within five to ten years of retirement
This is usually the stage where it is worth checking whether your fund still matches your timeframe. Being heavily exposed to a narrow, AI driven share market rally this close to needing the money is a very different risk to carrying at twenty five compared to at fifty five.
If you are already retired and drawing down your KiwiSaver
Rising interest rates are generally a more welcome development for you than for younger members, since more conservative, income focused funds tend to benefit from higher rates. Worth checking your drawdown fund is actually positioned to take advantage of that.
FAQs
Should I switch to a more conservative fund when markets are volatile?
Not automatically. Switching funds in reaction to short term market movement often means locking in a loss and missing the recovery that follows. The right fund is the one that matches your timeframe and comfort with risk in general, not one you change every time markets wobble. If you are unsure whether your current fund still fits, that is worth a proper conversation rather than a reactive switch
Is my KiwiSaver money safe if share markets fall?
Your KiwiSaver balance will move up and down in value if you are in a growth, balanced, or aggressive fund, since these funds hold shares. This is normal and expected, and over the long term, markets have historically recovered from downturns. Your money itself is held securely by an independent trustee separate from your provider, it is the investment value that moves with markets, not the safety of the structure holding it.
How often should I review my KiwiSaver fund?
A good rule of thumb is once a year, or whenever something significant changes in your life, a new job, a milestone birthday, getting closer to retirement, or a change in how comfortable you feel with risk. Markets moving is not usually itself a reason to review, but it is a good prompt to check when you last did.
Does rising interest rates affect my KiwiSaver too, not just my mortgage?
Yes. Rising rates mainly get attention for mortgage holders, but they also affect KiwiSaver, particularly conservative and cash heavy funds, which tend to earn more as interest rates rise. Growth funds are affected differently, since rate rises can also influence how shares are priced.
Aimee Trott is a Director and Licensed Financial Adviser at Our Adviser, and was named Outstanding KiwiSaver Adviser of the Year 2025. She has 10+ years of experience advising New Zealanders on KiwiSaver, mortgages, and personal risk insurance.
This article is general in nature and does not take your personal circumstances into account. Please book a review for advice specific to your situation.