Data as of Oct 28, 2026.
IYW vs SPYM: Differences, Returns & Fees
Over the year to Oct 28, 2026, IYW returned +23.2% to SPYM's +13.7%; 43% of their weight is in the same names.
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Net assets on Oct 27, 2026: $25.0bn for iShares U.S. Technology ETF and $185.0bn for State Street SPDR Portfolio S&P 500 ETF.
Pair scorecard
SPYM costs 0.35 points a year less; their one-year returns differ by 9.5 points; SPYM is 7.4 times larger.
| Measure | IYW | SPYM |
|---|---|---|
| Return | ||
| Total return, 1 year | +23.2% | +13.7% |
| Drawdown | ||
| Below its high | 5.5%, high on Oct 6, 2026 | |
| Benchmark | ||
| What it tracks | Russell 1000 Technology RIC 22 | S&P 500 Index |
| Cost and size | ||
| Expense ratio | 0.37% | 0.02% |
| Net assets, as of Oct 27, 2026 | $25.0bn | $185.0bn |
| Holdings | ||
| Holdings in common | 43% | |
| Top ten holdings, share of the fund | 65.1% | 38.1% |
Holdings in common uses holdings dated Oct 27, 2026. Method
Risk and return
Nov 25, 2005 to Oct 23, 2026 · 1,091 weekly returnsEach against its own benchmark: IYW against IWB, May 26, 2000 to Oct 23, 2026; SPYM against IVV, Nov 25, 2005 to Oct 23, 2026.
IYW returned more: +2,119.9% to +793.5%. SPYM swung less: 17.2% to 21.7%. IYW fell slightly less at its worst: −52.3% to −53.9%.
Full scorecard
19 measures, with how each is measured Open ↓
| Measure | IYW | SPYM | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +2,119.9% | +793.5% | IYW | Price change plus distributions, reinvested. |
| Annualized | +15.9% | +11.0% | IYW | Total return as a yearly rate. |
| Price return | +1,844.9% | +516.4% | IYW | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 21.7% | 17.2% | SPYM | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 14.7% | 12.1% | SPYM | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −52.3% | −53.9% | IYW (slight) | Deepest fall from a high to the low after it. |
| Upside capture | 146.1% | 94.1% | Share of its benchmark's rise caught in the weeks it rose. | |
| Downside capture | 116.0% | 96.9% | Share of its benchmark's fall taken in the weeks it fell. Lower is better. | |
| Beta | 1.19 | 0.96 | Not an edge | How far it moves for each 1% its benchmark moves. |
| R squared | 0.70 | 0.95 | Not an edge | Share of its weekly moves its benchmark explains. |
| Risk-adjusted | ||||
| Sharpe | 0.71 | 0.59 | IYW | Return above Treasury bills per unit of volatility. |
| Sortino | 1.05 | 0.84 | IYW | Return above Treasury bills per unit of downside deviation. |
| Treynor | 0.088 | 0.106 | Return above Treasury bills per unit of beta. | |
| Calmar | 0.30 | 0.20 | IYW | Annualized return divided by the max drawdown. |
| Against the benchmark | ||||
| Benchmark | IWB | IVV | The ETF each fund is measured against. | |
| Alpha | +0.9% a year | +0.4% a year | Not significant | Yearly return beyond what its beta to the benchmark predicts. |
| Alpha t-stat | 0.32 | 0.53 | Not an edge | How sure the alpha is. Below 2, it could be chance. |
| Alpha range | −4.4% to +6.1% | −1.2% to +2.0% | Includes zero | The 95% range for the yearly alpha. |
| Information ratio | 0.17 | 0.00 | Return against its benchmark per unit of tracking error. | |
| Tracking error | 14.2% | 3.8% | Not an edge | How far weekly returns stray from the benchmark, annualized. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 1,091 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, IYW and SPYM hold 43% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.
half
43% in common
Only in one fund ↓
Side by side
IYW and SPYM on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
IYW and SPYM do different jobs. What does each one do in a portfolio?
- What each follows. IYW follows Russell 1000 Technology RIC 22 and SPYM follows S&P 500 Index.
- Holdings in common. 43% of the weight is in the same securities (holdings dated Oct 27, 2026).
- One-year total return. Over 1 year to Oct 28, 2026 IYW returned +23.2% and SPYM +13.7% with distributions reinvested, a gap of 9.5 points.
Data as of Oct 28, 2026.
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IYW
IYW tracks an index of U.S. Technology. Over the year to Oct 28, 2026 it returned +23.2% with distributions reinvested, against +13.1% for its benchmark, the Russell 1000 Index. The prospectus expense ratio is 0.37% a year. By its holdings published by its issuer for Oct 27, 2026, 94% of the fund by weight is stocks the S&P 500 also holds, across 150 positions, with the top ten at 65.1%. It sat 5.5% below its high of Oct 6, 2026 on Oct 28, 2026.
SPYM
SPYM tracks the S&P 500. Over the year to Oct 28, 2026 it returned +13.7% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.02% a year. By its holdings published by its issuer for Oct 27, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 506 positions, with the top ten at 38.1%.
Questions people ask
- Which returned more over the last year, IYW or SPYM?
- In the year to Oct 28, 2026, with distributions reinvested, IYW returned +23.2% and SPYM +13.7%.
- Which is cheaper, IYW or SPYM?
- SPYM is cheaper, by 0.35 percentage points a year. That is about $35 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, IYW against SPYM, data as of Oct 28, 2026. https://etfiq.com/compare/any/iyw-vs-spym
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