PSIvsBUGETF Comparison
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Invesco Semiconductors ETF (PSI) belongs to the US Info. Technology segment. Global X Cybersecurity ETF (BUG) is part of the Cybersecurity segment. Both ETFs have the same top 3 sector exposures: and Technology. PSI is more expensive with a Total Expense Ratio (TER) of 0.56%, versus 0.5% for BUG. PSI is up 83.45% year-to-date (YTD) with +$525M in YTD flows. BUG performs worse with 23.99% YTD performance, and +$127M in YTD flows. Run a side-by-side ETF comparison of PSI and BUG 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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PSI vs BUG performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/24/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | PSI BUG | -14.33%+10.41% | +7.31%+42.59% | +83.45%+23.99% | +139.85%+6.18% | +218.40%+55.84% | +255.96%+28.43% |
| Flows | PSI BUG | +$90M+$97M | +$278M+$79M | +$525M+$127M | +$588M+$70M | +$469M+$277M | +$474M+$616M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | PSI BUG | +68.62%+40.95% | +47.55%+32.47% | +41.63%+26.17% | +39.91%+28.54% |
| Max drawdown | PSI BUG | -23.71%-13.48% | -23.71%-35.14% | -41.00%-37.58% | -44.86%-41.52% |
| Max drawdown duration | PSI BUG | 24d29d | 24d231d | 421d324d | 750d1120d |
Trading data
PSI | BUG | |
Last sale 7/24/2026 at 1:30 PM | $144.79 | $37.80 |
| Previous close 07/23/2026 | $153.19 | $37.25 |
| Consolidated volume 07/23/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of June 30, 2026
1-year trailing difference
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PSI | BUG | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
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Main metrics
Last update 7/24/2026 at 1:30 PM
Live
Closed
PSI | BUG | |
|---|---|---|
| Last price | $144.79 | $37.80 |
| 1D performance | -5.48% | +1.48% |
| AuM | $2.44 B | $1.32 B |
| E/R | 0.56% | 0.5% |
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Exposure
Countries
PSI
USA
97.72%
Other
2.28%
BUG
USA
86.81%
Other
13.19%
Sectors
PSI
Technology
100%
Other
-0%
BUG
Technology
99.08%
Other
0.92%
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Diversification
PSI
Total weight of top 15 holdings out of 15
65.62%
BUG
Total weight of top 15 holdings out of 15
81.21%
Top 15 holdings
Data as of June 30, 2026
PSI
Applied Materials, Inc.
6.64%
Micron Technology, Inc.
6.09%
KLA Corp.
5.96%
Lam Research Corp.
5.66%
Intel Corp.
5.01%
Advanced Micro Devices, Inc.
4.99%
Analog Devices, Inc.
4.44%
NVIDIA Corp.
4.32%
Ultra Clean Holdings, Inc.
3.57%
Ichor Holdings Ltd.
3.40%
Cohu, Inc.
3.37%
Onto Innovation, Inc.
3.11%
MKS, Inc.
3.06%
Kulicke & Soffa Industries, Inc.
3.03%
Entegris, Inc.
2.99%
BUG
Palo Alto Networks, Inc.
8.08%
Fortinet, Inc.
8.04%
Okta, Inc.
7.78%
CrowdStrike Holdings, Inc.
7.27%
Tenable Holdings, Inc.
5.24%
Varonis Systems, Inc.
5.00%
Qualys, Inc.
4.83%
Akamai Technologies, Inc.
4.82%
Commvault Systems, Inc.
4.77%
Rubrik, Inc.
4.71%
Zscaler, Inc.
4.59%
Gen Digital, Inc.
4.25%
A10 Networks, Inc.
4.03%
SailPoint, Inc.
3.93%
SentinelOne, Inc.
3.87%
Frequently asked questions about PSI and BUG
How have the PSI and BUG ETFs performed in 2026?
As of July 24, 2026, PSI is up 83.45% year-to-date (YTD), while BUG has returned 23.99%. That puts PSI better performer ahead so far this year.
Which ETF is attracting more investor money: PSI or BUG?
Year-to-date, the PSI ETF saw +$525M in flows, compared to +$127M for BUG.
Which ETF is more volatile: PSI or BUG?
Over the past year, PSI had a volatility of 47.55%, while BUG experienced 32.47%.
Which ETF is bigger: PSI or BUG?
As of July 24, 2026, PSI holds $2.44 B in assets under management (AUM), while BUG manages $1.32 B.
What sectors do the PSI and BUG ETFs invest in?
PSI leans toward sectors like Technology. Meanwhile, BUG focuses on Technology.
What are the top holdings of the PSI ETF and BUG ETF?
PSI top holdings include Applied Materials, Inc., Micron Technology, Inc. and KLA Corp.. BUG holds in its top three: Palo Alto Networks, Inc., Fortinet, Inc. and Okta, Inc..
Which ETF is more diversified: PSI or BUG?
PSI holds 30 securities with 65.62% of its assets in the top 15. BUG has 29 securities and a top 15 weight of 81.21%.
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Latest news about PSI & BUG
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NVIDIA’s Rally Fuels Gains in Semiconductor ETFs
May 29, 2023
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NVIDIA’s Rally Fuels Gains in Semiconductor ETFs
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