Data as of Oct 28, 2026.
IEI vs SPTS: Differences, Returns & Fees
IEI's duration was 4.3 years on Aug 31, 2026 and SPTS's 1.9 on Jun 30, 2026; SPTS charges 0.03% to IEI's 0.15%.
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askIQ about IEI and SPTSNet assets on Oct 27, 2026: $17.0bn for iShares 3-7 Year Treasury Bond ETF and $7.3bn for State Street SPDR Portfolio Short Term Treasury ETF.
Pair scorecard
SPTS costs 0.12 points a year less; their one-year returns differ by 2.8 points; IEI is 2.3 times larger.
| Measure | IEI | SPTS |
|---|---|---|
| Return | ||
| Total return, 1 year | −1.1% | +1.7% |
| Benchmark | ||
| What it tracks | ICE U.S. Treasury 3-7 Year Bond Index | Bloomberg 1-3 Year U.S. Treasury Index |
| Cost and size | ||
| Expense ratio | 0.15% | 0.03% |
| Net assets, as of Oct 27, 2026 | $17.0bn | $7.3bn |
| Holdings | ||
| Holdings in common | 0% | |
Holdings in common uses holdings dated Jun 30, 2026 and Aug 31, 2026. Method
Risk and return
Dec 9, 2011 to Oct 23, 2026 · 776 weekly returnsSPTS returned slightly more: +23.9% to +22.4%. SPTS swung less: 2.6% to 3.6%. SPTS fell less at its worst: −5.8% to −14.1%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | IEI | SPTS | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +22.4% | +23.9% | SPTS (slight) | Price change plus distributions, reinvested. |
| Annualized | +1.4% | +1.4% | SPTS (slight) | Total return as a yearly rate. |
| Price return | −5.8% | −4.1% | SPTS | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 3.6% | 2.6% | SPTS | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 2.5% | 1.8% | SPTS | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −14.1% | −5.8% | SPTS | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | −0.09 | −0.09 | IEI (slight) | Return above Treasury bills per unit of volatility. |
| Sortino | −0.12 | −0.14 | IEI | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.10 | 0.25 | SPTS | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 776 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, IEI and SPTS hold 0% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026 and Aug 31, 2026.
half
0% in common
Only in one fund ↓
Side by side
IEI and SPTS on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
IEI and SPTS are built for the same job. How do they differ in cost, holdings and results?
- What each follows. IEI follows ICE U.S. Treasury 3-7 Year Bond Index and SPTS follows Bloomberg 1-3 Year U.S. Treasury Index.
- Holdings in common. 0% of the weight is in the same securities (holdings dated Aug 31, 2026 and Jun 30, 2026).
- One-year total return. Over 1 year to Oct 28, 2026 IEI returned −1.1% and SPTS +1.7% with distributions reinvested, a gap of 2.8 points.
Data as of Oct 28, 2026.
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IEI
IEI tracks an index of 3-7 Year Treasury Bond. Over the year to Oct 28, 2026 it returned −1.1% with distributions reinvested. The prospectus expense ratio is 0.15% a year.
SPTS
SPTS tracks an index. Over the year to Oct 28, 2026 it returned +1.7% with distributions reinvested, against −1.4% for its benchmark, the Bloomberg U.S. Aggregate Bond Index. The prospectus expense ratio is 0.03% a year.
Questions people ask
- Which returned more over the last year, IEI or SPTS?
- In the year to Oct 28, 2026, with distributions reinvested, IEI returned −1.1% and SPTS +1.7%.
- Which is cheaper, IEI or SPTS?
- SPTS is cheaper, by 0.12 percentage points a year. That is about $12 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, IEI against SPTS, data as of Oct 28, 2026. https://etfiq.com/compare/any/iei-vs-spts
ETFIQ. (Oct 28, 2026). IEI against SPTS. Retrieved from https://etfiq.com/compare/any/iei-vs-spts
[IEI against SPTS (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/iei-vs-spts)
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