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SEPIvsSPYMETF Comparison
Shelton Equity Premium Income ETF (SEPI) belongs to the Options Strategies segment. State Street SPDR Portfolio S&P 500 ETF (SPYM) is part of the US Large Cap segment. Both ETFs have the same top 3 sector exposures: Information Technology, Communication Services and Financials. SEPI is more expensive with a Total Expense Ratio (TER) of 0.54%, versus 0.02% for SPYM. SEPI is down -1.25% year-to-date (YTD) with +$28M in YTD flows. SPYM performs better with -0.78% YTD performance, and +$11.00B in YTD flows. Run a side-by-side ETF comparison of SEPI and SPYM below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
SEPI vs SPYM performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SEPI SPYM | -2.61%-2.26% | -1.11%-1.52% | -1.25%-0.78% | n/a+23.12% | n/a+83.13% | n/a+84.76% |
| Flows | SEPI SPYM | +$16M+$2.47B | +$33M+$8.66B | +$28M+$11.00B | -+$37.35B | -+$68.80B | -+$75.31B |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SEPI SPYM | +11.63%+11.51% | n/a+18.16% | n/a+14.78% | n/a+16.81% |
| Max drawdown | SEPI SPYM | -4.28%-3.28% | n/a-13.70% | n/a-18.74% | n/a-24.50% |
| Max drawdown duration | SEPI SPYM | 36d43d | n/a45d | n/a126d | n/a708d |
SEPI | SPYM | |
Last sale | ||
| Previous close 03/11/2026 | ||
| Consolidated volume 03/11/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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SEPI | SPYM | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
SEPI | SPYM | |
|---|---|---|
| Last price | – | – |
| 1D performance | – | – |
| AuM | $82.57 M | $106.84 B |
| E/R | 0.54% | 0.02% |
SEPI | SPYM | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Shelton Capital Management | SPDR |
| Benchmark | - | S&P 500 Index |
| N° of holdings | 39 | 479 |
| Asset class | - | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 5, 2025 | November 8, 2005 |
| ESG | No | No |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
Top 15 holdings
How have the SEPI and SPYM ETFs performed in 2026?
As of March 10, 2026, SEPI is down -1.25% year-to-date (YTD), while SPYM has lost -0.78%. That puts SPYM better performer ahead so far this year.
Which ETF is attracting more investor money: SEPI or SPYM?
Year-to-date, the SEPI ETF saw +$28M in flows, compared to +$11.00B for SPYM.
Which ETF is bigger: SEPI or SPYM?
As of March 10, 2026, SEPI holds $82.57 M in assets under management (AUM), while SPYM manages $106.84 B.
What sectors do the SEPI and SPYM ETFs invest in?
SEPI leans toward sectors like Information Technology, Communication Services and Financials. Meanwhile, SPYM focuses on Information Technology, Communication Services and Financials.
What are the top holdings of the SEPI ETF and SPYM ETF?
SEPI top holdings include CATERPILLAR, ALPHABET INC-CL and APPLE. SPYM holds in its top three: NVIDIA, APPLE and MICROSOFT-T.
Which ETF is more diversified: SEPI or SPYM?
SEPI holds 39 securities with 58.31% of its assets in the top 15. SPYM has 503 securities and a top 15 weight of 44.01%.
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