BUGvsPSIETF Comparison
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Global X Cybersecurity ETF (BUG) belongs to the Cybersecurity segment. Invesco Semiconductors ETF (PSI) is part of the US Info. Technology segment. Both ETFs have the same top 3 sector exposures: and Technology. BUG is less expensive with a Total Expense Ratio (TER) of 0.5%, versus 0.56% for PSI. BUG is up 24.81% year-to-date (YTD) with +$145M in YTD flows. PSI performs better with 76.69% YTD performance, and +$525M in YTD flows. Run a side-by-side ETF comparison of BUG and PSI 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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BUG vs PSI performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BUG PSI | +2.54%-21.69% | +41.60%+6.57% | +24.81%+76.69% | +6.77%+126.29% | +54.10%+199.00% | +30.66%+250.13% |
| Flows | BUG PSI | +$134M+$64M | +$97M+$264M | +$145M+$525M | +$88M+$589M | +$296M+$464M | +$628M+$477M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BUG PSI | +40.92%+68.76% | +32.54%+47.77% | +26.19%+41.71% | +28.54%+39.93% |
| Max drawdown | BUG PSI | -13.48%-25.79% | -35.14%-25.79% | -37.58%-41.00% | -41.52%-44.86% |
| Max drawdown duration | BUG PSI | 29d27d | 231d27d | 324d421d | 1120d750d |
Trading data
BUG | PSI | |
Last sale 7/28/2026 at 1:30 PM | $37.50 | $129.38 |
| Previous close 07/27/2026 | $38.03 | $139.43 |
| Consolidated volume 07/27/2026 | ||
| 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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BUG | PSI | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 7/28/2026 at 1:30 PM
Live
Closed
BUG | PSI | |
|---|---|---|
| Last price | $37.50 | $129.38 |
| 1D performance | -1.39% | -7.21% |
| AuM | $1.35 B | $2.35 B |
| E/R | 0.5% | 0.56% |
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Exposure
Countries
BUG
USA
86.81%
Other
13.19%
PSI
USA
97.72%
Other
2.28%
Sectors
BUG
Technology
99.08%
Other
0.92%
PSI
Technology
100%
Other
-0%
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Diversification
BUG
Total weight of top 15 holdings out of 15
81.21%
PSI
Total weight of top 15 holdings out of 15
65.62%
Top 15 holdings
Data as of June 30, 2026
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%
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%
Frequently asked questions about BUG and PSI
How have the BUG and PSI ETFs performed in 2026?
As of July 27, 2026, BUG is up 24.81% year-to-date (YTD), while PSI has returned 76.69%. That puts PSI better performer ahead so far this year.
Which ETF is attracting more investor money: BUG or PSI?
Year-to-date, the BUG ETF saw +$145M in flows, compared to +$525M for PSI.
Which ETF is more volatile: BUG or PSI?
Over the past year, BUG had a volatility of 32.54%, while PSI experienced 47.77%.
Which ETF is bigger: BUG or PSI?
As of July 27, 2026, BUG holds $1.35 B in assets under management (AUM), while PSI manages $2.35 B.
What sectors do the BUG and PSI ETFs invest in?
BUG leans toward sectors like Technology. Meanwhile, PSI focuses on Technology.
What are the top holdings of the BUG ETF and PSI ETF?
BUG top holdings include Palo Alto Networks, Inc., Fortinet, Inc. and Okta, Inc.. PSI holds in its top three: Applied Materials, Inc., Micron Technology, Inc. and KLA Corp..
Which ETF is more diversified: BUG or PSI?
BUG holds 29 securities with 81.21% of its assets in the top 15. PSI has 30 securities and a top 15 weight of 65.62%.
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Latest news about BUG & PSI
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June 17, 2024
PSI
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April 17, 2024
PSI
Semiconductor ETFs Mixed After Nvidia Q3 2023 Earnings Beat
November 24, 2023
PSI
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NVIDIA’s Rally Fuels Gains in Semiconductor ETFs
May 29, 2023
PSI
NVIDIA’s Rally Fuels Gains in Semiconductor ETFs
May 29, 2023
PSI
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