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TRFMvsSPYETF Comparison

ETF 1
TRFM

AAM Transformers ETF

This fund is part of
US Large Cap
-1.25%
VS
ETF 2
SPY

State Street SPDR S&P 500 ETF Trust

This fund is part of
US Large Cap
-1.25%

AAM Transformers ETF (TRFM) and State Street SPDR S&P 500 ETF Trust (SPY) belong to the same industry segment: US Large Cap. In contrast, SPY's top sector exposures are Technology, Finance and Healthcare. TRFM is more expensive with a Total Expense Ratio (TER) of 0.49%, versus 0.0945% for SPY. TRFM is up 16.63% year-to-date (YTD) with +$205M in YTD flows. SPY performs worse with 12.84% YTD performance, and +$13.31B in YTD flows. Run a side-by-side ETF comparison of TRFM and SPY 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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TRFM vs SPY performance and flow charts

Performance

-4.0-2.00.02.04.06.08.0%Sep 16Sep 23Sep 30Oct 7Oct 14

Cumulative Flows

-20 B-10 B0 B10 B20 BSep 16Sep 23Sep 30Oct 7Oct 14

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

Historic performance and flows
Data as of 10/16/2026
1M3MYTD1Y3Y5Y
Perf.
TRFM
SPY
-3.05%+1.49%
-5.17%+1.92%
+16.63%+12.84%
+12.94%+16.78%
+104.62%+81.50%
n/a+82.51%
Flows
TRFM
SPY
+$70M+$6.68B
+$109M+$9.28B
+$205M+$13.31B
+$212M+$36.89B
+$261M+$77.58B
-+$86.62B
Volatility and drawdown
3M1Y3Y5Y
Volatility
TRFM
SPY
+23.76%+11.17%
+26.23%+12.72%
+25.53%+14.97%
n/a+16.97%
Max drawdown
TRFM
SPY
-11.50%-3.03%
-13.06%-8.89%
-28.33%-18.74%
n/a-24.50%
Max drawdown duration
TRFM
SPY
64d53d
72d76d
125d126d
n/a708d
Trading data

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TRFM
SPY
Last sale
10/16/2026 at 1:30 PM
$55.50
$763.25
Previous close
10/16/2026
$57.25
$771.79
Consolidated volume
10/16/2026
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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TRFM
SPY
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst
Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
TRFM
SPY
Last price
$55.50
$763.25
1D performance
-3.06%
-1.11%
AuM$321.75 M$809.77 B
E/R0.49%0.0945%
Characteristics
TRFM
SPY
Management strategyPassivePassive
ProviderAdvisors Asset ManagementState Street Investment Management
BenchmarkPence Transformers IndexS&P 500 Index
N° of holdings-497
Asset classEquitiesEquities
Trailing 12m distribution yield
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Inception dateJuly 12, 2022January 22, 1993
ESGNoNo
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Exposure

Countries

TRFM
Data will be available soon
SPY
USA
96.4%
Other
3.6%

Sectors

TRFM
Data will be available soon
SPY
Technology
45.23%
Finance
13.62%
Healthcare
9.08%
Consumer Non-Cycl.
8.88%
Industrials
7.46%
Other
15.72%
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Diversification

TRFM
Data will be available soon
SPY

Total weight of top 15 holdings out of 15

44.11%

Top 15 holdings

Data as of January 1, 1970
TRFM
Data will be available soon
SPY
NVIDIA Corp.
8.07%
Apple, Inc.
7.03%
Microsoft Corp.
5.69%
Amazon.com, Inc.
3.84%
Alphabet, Inc.
3.00%
Broadcom Inc.
2.65%
Alphabet, Inc.
2.39%
Meta Platforms, Inc.
1.90%
Micron Technology, Inc.
1.63%
Tesla, Inc.
1.56%
JPMorgan Chase & Co.
1.44%
Berkshire Hathaway, Inc.
1.40%
Eli Lilly & Co.
1.38%
Advanced Micro Devices, Inc.
1.16%
Johnson & Johnson
0.97%
Frequently asked questions about TRFM and SPY

How have the TRFM and SPY ETFs performed in 2026?

As of October 16, 2026, TRFM is up 16.63% year-to-date (YTD), while SPY has returned 12.84%. That puts TRFM better performer ahead so far this year.

Which ETF is attracting more investor money: TRFM or SPY?

Year-to-date, the TRFM ETF saw +$205M in flows, compared to +$13.31B for SPY.

Which ETF is more volatile: TRFM or SPY?

Over the past year, TRFM had a volatility of 26.23%, while SPY experienced 12.72%.

Which ETF is bigger: TRFM or SPY?

As of October 16, 2026, TRFM holds $321.75 M in assets under management (AUM), while SPY manages $809.77 B.

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