PIE Fund vs ETF NZ Comparison

A 39%-bracket Kiwi pays 28% tax inside a PIE fund and 39% on direct ETF income: an 11-point gap that compounds into five figures over 15 years. Direct ETFs answer with 0.03% fees and the $50,000 FIF tripwire. The full maths, both ways.

Interactive Comparison Simulator

Adjust the variables below to simulate outcomes, compare rates, and see real-time projections.

Side-by-Side Comparison

A direct comparison of features, rules, limits, and eligibility requirements.

Feature / DetailPIE FundDirect ETF (Non-PIE)
Top tax rate on earnings
28%: the PIR ceiling, whatever you earn
Your marginal rate, up to 39%
PIR thresholds (from 1 April 2025)
10.5% up to $15,600 income; 17.5% to $53,500; 28% above
N/A: normal brackets apply: 10.5% / 17.5% / 30% / 33% / 39%
Tax admin
Fund calculates and pays; no return needed if your PIR is right
You declare dividends and, above the threshold, run FIF calculations yourself
FIF rules on foreign shares
Handled invisibly inside the fund
Over $50,000 NZD cost of foreign holdings, you owe tax on a deemed 5% return (FDR method): dividends or not
Fees
Typically 0.20%-0.60% for NZ index PIEs
As low as 0.03%-0.10% for US-listed index ETFs, plus brokerage and FX
Choice
A curated shelf of NZ-domiciled funds
Thousands of ETFs across every market and sector

Pros & Cons Breakdown

Analyze the advantages and drawbacks of each financial product before making a decision.

PIE Fund Pros & Cons

Advantages of PIE Fund

  • Tax capped at 28%, an 11-point saving every year for 39%-bracket earners.
  • No tax return, no FIF spreadsheets: the fund does the compliance.
  • NZ-domiciled global index PIEs give world exposure without touching FIF rules yourself.
  • Ideal default for anyone who does not want tax administration as a hobby.

Disadvantages of PIE Fund

  • Fees run 0.2-0.5 points above the cheapest US-listed equivalents.
  • The fund shelf is narrower than global exchanges.
  • An out-of-date PIR is your problem: too low and IRD collects the shortfall, too high and the excess is a hassle to recover.

Direct ETF (Non-PIE) Pros & Cons

Advantages of Direct ETF (Non-PIE)

  • Rock-bottom expense ratios, 0.03% exists at scale.
  • Unlimited universe: any listed market, sector or strategy.
  • Under $50,000 NZD of foreign holdings, only dividends are taxed: genuinely cheap for small, growth-tilted portfolios.
  • Full control of timing and lots.

Disadvantages of Direct ETF (Non-PIE)

  • Every dividend taxed at up to 39%, with manual IR3 declarations.
  • Crossing $50,000 of foreign cost triggers FIF: tax on a deemed 5% yield annually, even in loss years under FDR.
  • Brokerage, FX spreads and compliance time quietly narrow the headline fee advantage.
  • Mistakes in FIF method choice are expensive to unwind.

What this choice actually costs you

The 28% ceiling: an 11-point head start that repeats every year

Tom is a Wellington engineer on $130,000: a 33% bracket, 39% in his bonus years. Every dollar of dividend income from directly held ETFs is taxed at his marginal rate. The identical portfolio inside a PIE fund is taxed at his PIR, which the law caps at 28% no matter what he earns.

Since 1 April 2025 the PIR bands sit at: 10.5% for taxable income up to $15,600, 17.5% up to $53,500, and 28% beyond: assessed on the lower of your last two years' income. For anyone in the 30%+ brackets, the PIE wrapper is a permanent, legislated discount of 2 to 11 points on investment tax.

One piece of housekeeping keeps it that way: certify the correct PIR with your provider each year. Too low, and IRD bills the shortfall at your marginal rate with the discount forfeited; unnecessarily high, and recovering the overpayment means chasing a refund through your return.

Fifteen years compounding at two different tax rates

Small annual differences become large terminal ones. Take $100,000 producing a 5% taxable return each year. Taxed at the 28% PIR, it compounds at 3.6% net and reaches about $170,000 in fifteen years. Taxed at 39%, it compounds at 3.05% and reaches about $157,000.

That $13,000 gap assumes identical gross returns. Hand the direct ETF its fee advantage: say 0.40% a year, and it claws back roughly half the difference, which is why the comparison genuinely flips for investors whose PIR isn't capped: at a 17.5% PIR versus a 17.5% marginal rate, the tax edge is zero and the direct fund's lower fee wins outright.

The rule that falls out of the arithmetic: your bracket picks your wrapper. Above $53,500 of income, tax dominates fees — PIE. Below it, fees dominate tax: direct. Run your own rates in the simulator above; the crossover is sharp.

The $50,000 tripwire: FIF tax on money you never received

Here is the rule that ambushes DIY investors. Once your directly held foreign shares — US ETFs, most non-exempt foreign stock — exceed $50,000 NZD of original cost, the Foreign Investment Fund regime applies to the entire holding. Under the common Fair Dividend Rate method, IRD deems you to have earned 5% of the portfolio's opening market value and taxes that at your marginal rate, whether the market rose, fell, or paid you nothing.

Concretely: $100,000 of US index ETFs, deemed income $5,000, tax at 39% = $1,950 for the year: even if the fund paid $1,300 of actual dividends and the market finished down. Inside a PIE, the fund runs equivalent calculations internally at your capped 28% and you never file a thing; the same exposure costs roughly $1,400 with zero paperwork.

Practical play for direct investors near the line: the threshold is cost basis, not market value, and it applies per person: a couple holds $100,000 of foreign cost jointly before FIF bites. Cross it knowingly or don't cross it at all; discovering FIF three years late, with returns to amend, is the expensive version of this lesson.

The Verdict

Earners above $53,500 should default to PIEs; direct ETFs win below the FIF line and for low-bracket investors.

This is a rare comparison with clean break-points. Earn enough that your PIR caps at 28% while your marginal rate is 33-39%, and the PIE's tax saving dwarfs any fee advantage a direct ETF can offer, 11 points of tax versus perhaps 0.4 points of fees is not a contest. Earn under $53,500 and the tax edge shrinks or vanishes, so the direct route's lower costs win: right up until your foreign holdings cross $50,000 NZD of cost and the FIF regime turns your simple portfolio into an annual deemed-income calculation. The blended answer many experienced Kiwis land on: keep direct foreign holdings under the FIF threshold for cheap growth, and run everything beyond it through NZ-domiciled PIE index funds that swallow the complexity at 28%.

Choose PIE Fund if...

Anyone in the 30%, 33% or 39% brackets, anyone with more than $50,000 of foreign exposure, and every investor who never wants to see an FIF worksheet.

Choose Direct ETF (Non-PIE) if...

Investors under the $53,500 PIR threshold, and disciplined small portfolios staying below $50,000 NZD of foreign cost basis.

Built & MaintainedBuilt by Galvin Mendonca, Finance Researcher
All figures from primary government sources. Last updated July 25, 2026.

Frequently Asked Questions

You Might Also Like

View All

Sources & references

The rules and figures on this page are researched from official primary sources:

Disclaimer: The comparison data, simulator outputs, and projections on this page are provided for general informational and educational purposes only. They do not constitute financial, investment, tax, or legal advice. All values are estimates based on statutory data and hypothetical inputs. Interest rates, contribution limits, tax brackets, and regulatory rules change frequently and vary by jurisdiction. Always consult a qualified professional advisor and verify critical figures with official government publications before making any financial decisions.