SPYMvsSPYETF Comparison
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The ETFs State Street SPDR Portfolio S&P 500 ETF (SPYM) and State Street SPDR S&P 500 ETF Trust (SPY) track the S&P 500 Total Return Index - USD and belong to the same industry segment: US Large Cap. Both ETFs have the same top 3 sector exposures: Technology, Finance and Healthcare. SPYM is less expensive with a Total Expense Ratio (TER) of 0.02%, versus 0.0945% for SPY. SPYM is up 13.76% year-to-date (YTD) with +$68.70B in YTD flows. SPY performs worse with 13.71% YTD performance, and +$9.98B in YTD flows. Run a side-by-side ETF comparison of SPYM 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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SPYM vs SPY performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/14/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SPYM SPY | +1.38%+1.38% | +2.60%+2.58% | +13.76%+13.71% | +17.50%+17.42% | +83.32%+82.90% | +86.50%+85.91% |
| Flows | SPYM SPY | +$19.25B-$2.46B | +$20.27B+$13.80B | +$68.70B+$9.98B | +$72.92B+$29.00B | +$123.42B+$74.25B | +$130.84B+$84.36B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SPYM SPY | +11.02%+11.01% | +12.70%+12.69% | +14.98%+14.97% | +16.98%+16.96% |
| Max drawdown | SPYM SPY | -3.37%-3.37% | -8.89%-8.89% | -18.74%-18.74% | -24.50%-24.50% |
| Max drawdown duration | SPYM SPY | 16d16d | 76d76d | 126d126d | 708d708d |
Trading data
SPYM | SPY | |
Last sale 10/15/2026 at 1:30 PM | $771.79 | |
| Previous close 10/14/2026 | $769.60 | |
| Consolidated volume 10/14/2026 | ||
| 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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SPYM | SPY | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/15/2026 at 1:30 PM
Live
Closed
SPYM | SPY | |
|---|---|---|
| Last price | – | $771.79 |
| 1D performance | – | +0.28% |
| AuM | $183.23 B | $812.74 B |
| E/R | 0.02% | 0.0945% |
Characteristics
SPYM | SPY | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | State Street Investment Management | State Street Investment Management |
| Benchmark | S&P 500 Index | S&P 500 Index |
| N° of holdings | 498 | 497 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 8, 2005 | January 22, 1993 |
| ESG | No | No |
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Exposure
Countries
SPYM
USA
96.46%
Other
3.54%
SPY
USA
96.4%
Other
3.6%
Sectors
SPYM
Technology
45.26%
Finance
13.63%
Healthcare
9.09%
Consumer Non-Cycl.
8.88%
Industrials
7.47%
Other
15.66%
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
SPYM
Total weight of top 15 holdings out of 15
44.14%
SPY
Total weight of top 15 holdings out of 15
44.11%
Top 15 holdings
Data as of August 31, 2026
SPYM
NVIDIA Corp.
8.08%
Apple, Inc.
7.03%
Microsoft Corp.
5.69%
Amazon.com, Inc.
3.84%
Alphabet, Inc.
3.01%
Broadcom Inc.
2.65%
Alphabet, Inc.
2.40%
Meta Platforms, Inc.
1.90%
Micron Technology, Inc.
1.63%
Tesla, Inc.
1.57%
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%
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 SPYM and SPY
How have the SPYM and SPY ETFs performed in 2026?
As of October 14, 2026, SPYM is up 13.76% year-to-date (YTD), while SPY has returned 13.71%. That puts SPYM better performer ahead so far this year.
Which ETF is attracting more investor money: SPYM or SPY?
Year-to-date, the SPYM ETF saw +$68.70B in flows, compared to +$9.98B for SPY.
Which ETF is more volatile: SPYM or SPY?
Over the past year, SPYM had a volatility of 12.7%, while SPY experienced 12.69%.
Which ETF is bigger: SPYM or SPY?
As of October 14, 2026, SPYM holds $183.23 B in assets under management (AUM), while SPY manages $812.74 B.
What sectors do the SPYM and SPY ETFs invest in?
SPYM leans toward sectors like Technology, Finance and Healthcare. Meanwhile, SPY focuses on Technology, Finance and Healthcare.
What are the top holdings of the SPYM ETF and SPY ETF?
SPYM top holdings include NVIDIA Corp., Apple, Inc. and Microsoft Corp.. SPY holds in its top three: NVIDIA Corp., Apple, Inc. and Microsoft Corp..
Which ETF is more diversified: SPYM or SPY?
SPYM holds 501 securities with 44.14% of its assets in the top 15. SPY has 500 securities and a top 15 weight of 44.11%.
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Latest news about SPYM & SPY
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