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DATvsSPAMETF Comparison

ETF 1

DAT

ProShares Big Data Refiners ETF

This fund is part of

AI & Big Data

+0.36%

Full DAT fund page

VS

ETF 2

SPAM

Themes Cybersecurity ETF

This fund is part of

Cybersecurity

+0.25%

Full SPAM fund page

ProShares Big Data Refiners ETF (DAT) belongs to the AI & Big Data segment. Themes Cybersecurity ETF (SPAM) is part of the Cybersecurity segment. DAT's top 3 sector exposures are Information Technology, Communication Services and Industrials. In contrast, SPAM's top sector exposures are Information Technology, Industrials and Communication Services. DAT is more expensive with a Total Expense Ratio (TER) of 0.58%, versus 0.35% for SPAM. DAT is down -20.72% year-to-date (YTD) with - in YTD flows. SPAM performs better with 3.21% YTD performance, and - in YTD flows. Run a side-by-side ETF comparison of DAT and SPAM 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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DAT vs SPAM performance and flow charts

Performance

Cumulative Flows

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Data Services

Historic performance and flows

Data as of 04/27/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	DAT SPAM	+7.78%+13.28%	-14.00%-1.84%	-20.72%+3.21%	-11.83%+9.38%	+53.05%n/a	n/an/a
Flows	DAT SPAM	--	--	--	-$15K+$682K	+$1M-	--

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	DAT SPAM	+36.68%+34.04%	+26.69%+24.06%	+28.11%n/a	n/an/a
Max drawdown	DAT SPAM	-23.47%-14.49%	-34.70%-23.70%	-34.70%n/a	n/an/a
Max drawdown duration	DAT SPAM	90d84d	201d200d	201dn/a	n/an/a

Trading data

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	DAT	SPAM
Last sale 4/27/2026 at 1:30 PM	$35.92	$31.59
Previous close 04/27/2026	$35.95	$31.41
Consolidated volume 04/27/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of March 31, 2026

1-year trailing difference

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	DAT	SPAM
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 4/27/2026 at 1:30 PM

Live

Closed

	DAT	SPAM
Last price	$35.92	$31.59
1D performance	-0.09%	+0.55%
AuM	$5.40 M	$2.52 M
E/R	0.58%	0.35%

Characteristics

	DAT	SPAM
Management strategy	Passive	Passive
Provider	ProShares	Themes Management Company
Benchmark	FactSet Big Data Refiners Index	Solactive Cybersecurity Index
N° of holdings	26	29
Asset class	Equities	Equities
Trailing 12m distribution yield	Join	Join
Inception date	September 30, 2021	December 8, 2023
ESG	No	No

More DAT data on Trackinsight

More SPAM data on Trackinsight

Exposure

Countries

DAT

USA

84.27%

Other

15.73%

SPAM

USA

74.16%

Other

25.84%

Sectors

DAT

Information Techn.

86.44%

Other

13.56%

SPAM

Information Techn.

77.49%

Industrials

9.67%

Other

12.84%

Diversification

DAT

Total weight of top 15 holdings out of 15

73.55%

SPAM

Total weight of top 15 holdings out of 15

72.86%

Top 15 holdings

Data as of March 31, 2026

DAT

US6536561086

6.52%

INTERDIGITAL

5.56%

TERADATA

5.47%

PALANTIR TECHNOLOGIES

5.41%

NUTANIX

5.23%

DYNATRACE INC

5.20%

DATADOG

5.16%

ZEBRA TECHS

4.99%

MICROSTRATEGY

4.93%

TYLER TECHNOLOGIES

4.48%

SNOWFLAKE INC

4.45%

ELASTIC NV

4.24%

COMMVAULT SYSTEMS

4.18%

BRAZE

3.92%

MONGODB INC

3.82%

SPAM

PALO ALTO NETWORKS

7.87%

AKAMAI TECHNOLOGIES

6.46%

CACI INTERNATIONAL

5.13%

FORTINET

5.10%

YANDEX

4.99%

CLEAR SECURE

4.94%

NEXTDC

4.70%

US21873S1087

4.64%

BOOZ ALLEN HAMILTON HOLDING

4.54%

SENTINELONE

4.22%

OKTA

4.15%

TREND MICRO

4.09%

CROWDSTRIKE HOLDINGS INC

4.09%

FASTLY INC

4.08%

CHECK POINT SOFTWARE TECHNOLOGIS

3.86%

Frequently asked questions about DAT and SPAM

How have the DAT and SPAM ETFs performed in 2026?

As of April 27, 2026, DAT is down -20.72% year-to-date (YTD), while SPAM has returned 3.21%. That puts SPAM better performer ahead so far this year.

Which ETF is attracting more investor money: DAT or SPAM?

Year-to-date, the DAT ETF saw - in flows, compared to - for SPAM.

Which ETF is more volatile: DAT or SPAM?

Over the past year, DAT had a volatility of 26.69%, while SPAM experienced 24.06%.

Which ETF is bigger: DAT or SPAM?

As of April 27, 2026, DAT holds $5.40 M in assets under management (AUM), while SPAM manages $2.52 M.

What sectors do the DAT and SPAM ETFs invest in?

DAT leans toward sectors like Information Technology. Meanwhile, SPAM focuses on Information Technology and Industrials.

What are the top holdings of the DAT ETF and SPAM ETF?

DAT top holdings include US6536561086, INTERDIGITAL and TERADATA. SPAM holds in its top three: PALO ALTO NETWORKS, AKAMAI TECHNOLOGIES and CACI INTERNATIONAL.

DATvsSPAMETF Comparison

ProShares Big Data Refiners ETF

Themes Cybersecurity ETF

DAT vs SPAM performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

How have the DAT and SPAM ETFs performed in 2026?

As of April 27, 2026, DAT is down -20.72% year-to-date (YTD), while SPAM has returned 3.21%. That puts SPAM better performer ahead so far this year.

Which ETF is attracting more investor money: DAT or SPAM?

Year-to-date, the DAT ETF saw - in flows, compared to - for SPAM.

Which ETF is more volatile: DAT or SPAM?

Over the past year, DAT had a volatility of 26.69%, while SPAM experienced 24.06%.

Which ETF is bigger: DAT or SPAM?

As of April 27, 2026, DAT holds $5.40 M in assets under management (AUM), while SPAM manages $2.52 M.

What sectors do the DAT and SPAM ETFs invest in?

DAT leans toward sectors like Information Technology. Meanwhile, SPAM focuses on Information Technology and Industrials.

What are the top holdings of the DAT ETF and SPAM ETF?

DAT top holdings include US6536561086, INTERDIGITAL and TERADATA. SPAM holds in its top three: PALO ALTO NETWORKS, AKAMAI TECHNOLOGIES and CACI INTERNATIONAL.

Which ETF is more diversified: DAT or SPAM?

DAT holds 27 securities with 73.55% of its assets in the top 15. SPAM has 34 securities and a top 15 weight of 72.86%.

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