OUNZvsIAUMETF Comparison
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VanEck Merk Gold Trust ETF (OUNZ) and iShares Gold Trust Micro (IAUM) belong to the same industry segment: Gold. OUNZ is more expensive with a Total Expense Ratio (TER) of 0.25%, versus 0.09% for IAUM. OUNZ is down -4.34% year-to-date (YTD) with +$364M in YTD flows. IAUM performs better with -4.25% YTD performance, and +$2.42B in YTD flows. Run a side-by-side ETF comparison of OUNZ and IAUM below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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OUNZ vs IAUM performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/21/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | OUNZ IAUM | -4.88%-4.56% | +1.14%+1.83% | -4.34%-4.25% | +0.43%-1.08% | +107.96%+108.76% | +129.45%+131.14% |
| Flows | OUNZ IAUM | +$8M+$307M | +$107M+$1.58B | +$364M+$2.42B | +$363M+$2.73B | +$957M+$5.62B | +$1.07B+$5.62B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | OUNZ IAUM | +23.37%+22.08% | +28.13%+27.37% | +21.33%+20.38% | +18.72%+18.08% |
| Max drawdown | OUNZ IAUM | -12.12%-12.33% | -26.36%-26.14% | -26.36%-26.14% | -26.36%-26.14% |
| Max drawdown duration | OUNZ IAUM | 57d58d | 265d265d | 265d265d | 265d265d |
Trading data
OUNZ | IAUM | |
Last sale 10/22/2026 at 6:05 PM | $38.82 | $40.22 |
| Previous close 10/21/2026 | $39.70 | $41.20 |
| Consolidated volume 10/21/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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OUNZ | IAUM | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
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Main metrics
Last update 10/22/2026 at 6:05 PM
Live
Closed
OUNZ | IAUM | |
|---|---|---|
| Last price | $38.82 | $40.22 |
| 1D performance | -2.23% | -2.38% |
| AuM | $2.68 B | $7.98 B |
| E/R | 0.25% | 0.09% |
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Exposure
Countries
OUNZ
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IAUM
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Sectors
OUNZ
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IAUM
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Diversification
OUNZ
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IAUM
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Top 15 holdings
Data as of January 1, 1970
OUNZ
Data will be available soon
IAUM
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Frequently asked questions about OUNZ and IAUM
How have the OUNZ and IAUM ETFs performed in 2026?
As of October 21, 2026, OUNZ is down -4.34% year-to-date (YTD), while IAUM has lost -4.25%. That puts IAUM better performer ahead so far this year.
Which ETF is attracting more investor money: OUNZ or IAUM?
Year-to-date, the OUNZ ETF saw +$364M in flows, compared to +$2.42B for IAUM.
Which ETF is more volatile: OUNZ or IAUM?
Over the past year, OUNZ had a volatility of 28.13%, while IAUM experienced 27.37%.
Which ETF is bigger: OUNZ or IAUM?
As of October 21, 2026, OUNZ holds $2.68 B in assets under management (AUM), while IAUM manages $7.98 B.
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Latest news about OUNZ & IAUM
ETF Model Portfolios: The Cockroach Portfolio
March 20, 2026
IAUM
Hedging the Hedge: Can Gold Itself Be Protected?
September 26, 2025
OUNZ
War in the Middle East: ETF Movers & Shakers
May 15, 2024
IAUM
Tony's ETF Buyers Guide: All Gold Everything
April 11, 2024
IAUM
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