Data as of Oct 28, 2026.
JFLX vs SPSB: Differences, Returns & Fees
JFLX's duration was 3.2 years on Aug 31, 2026 and SPSB's 1.8 on Jun 30, 2026; SPSB charges 0.04% to JFLX's 0.45%.
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Net assets: $1.7bn on Oct 28, 2026 for JPMorgan Flexible Debt ETF, and $11.3bn on Oct 27, 2026 for State Street SPDR Portfolio Short Term Corporate Bond ETF.
Pair scorecard
SPSB costs 0.41 points a year less; their one-year returns differ by 0.5 points; SPSB is 7.0 times larger.
| Measure | JFLX | SPSB |
|---|---|---|
| Return | ||
| Total return, 1 year | +1.7% | +2.2% |
| Benchmark | ||
| What it tracks | No index, actively managed | Bloomberg U.S. 1-3 Year Corporate Bond Index |
| Cost and size | ||
| Expense ratio | 0.45% | 0.04% |
| Net assets, as of Oct 26, 2026 | $1.6bn | $11.2bn |
| Holdings | ||
| Holdings in common | 2% | |
Holdings in common uses holdings dated Jun 30, 2026 and Aug 31, 2026. Method
Risk and return
Oct 10, 2025 to Oct 23, 2026 · 54 weekly returns · each against AGGJFLX returned slightly more: +2.6% to +2.6%. SPSB swung less: 1.3% to 2.8%. SPSB fell less at its worst: −0.8% to −2.4%.
Full scorecard
19 measures, with how each is measured Open ↓
| Measure | JFLX | SPSB | AGG | Edge | How it is measured |
|---|---|---|---|---|---|
| Return | |||||
| Total return | +2.6% | +2.6% | JFLX (slight) | Price change plus distributions, reinvested. | |
| Annualized | +2.5% | +2.5% | JFLX (slight) | Total return as a yearly rate. | |
| Price return | −2.0% | −1.8% | SPSB | Price change alone, distributions left out. | |
| Risk | |||||
| Volatility | 2.8% | 1.3% | SPSB | Spread of weekly returns, annualized. Lower is steadier. | |
| Downside deviation | 2.2% | 1.1% | SPSB | Like volatility, counting only weeks below the Treasury bill rate. | |
| Max drawdown | −2.4% | −0.8% | SPSB | Deepest fall from a high to the low after it. | |
| Upside capture | 75.7% | 36.5% | 100.0% | JFLX | Share of its benchmark's rise caught in the weeks it rose. |
| Downside capture | 54.1% | 16.5% | 100.0% | SPSB | Share of its benchmark's fall taken in the weeks it fell. Lower is better. |
| Beta | 0.65 | 0.29 | 1.00 | SPSB lower | How far it moves for each 1% its benchmark moves. |
| R squared | 0.72 | 0.72 | 1.00 | Not an edge | Share of its weekly moves its benchmark explains. |
| Risk-adjusted | |||||
| Sharpe | −0.44 | −1.05 | JFLX | Return above Treasury bills per unit of volatility. | |
| Sortino | −0.58 | −1.24 | JFLX | Return above Treasury bills per unit of downside deviation. | |
| Treynor | −0.019 | −0.046 | −0.042 | JFLX | Return above Treasury bills per unit of beta. |
| Calmar | 1.07 | 3.08 | SPSB | Annualized return divided by the max drawdown. | |
| Against the benchmark | |||||
| Benchmark | AGG | AGG | AGG | The ETF each fund is measured against. | |
| Alpha | +1.5% a year | −0.1% a year | 0.0% | Not significant | Yearly return beyond what its beta to the benchmark predicts. |
| Alpha t-stat | 1.01 | −0.16 | Not an edge | How sure the alpha is. Below 2, it could be chance. | |
| Alpha range | −1.5% to +4.5% | −1.5% to +1.2% | Both include zero | The 95% range for the yearly alpha. | |
| Information ratio | 1.51 | 1.07 | JFLX | Return against its benchmark per unit of tracking error. | |
| Tracking error | 2.0% | 2.7% | 0.0% | Not an edge | How far weekly returns stray from the benchmark, annualized. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 54 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, JFLX and SPSB hold 2% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026 and Aug 31, 2026.
half
2% in common
Only in one fund ↓
Side by side
JFLX and SPSB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
JFLX and SPSB are built for the same job. How do they differ in cost, holdings and results?
- What each follows. JFLX follows No index, actively managed and SPSB follows Bloomberg U.S. 1-3 Year Corporate Bond Index.
- Holdings in common. 2% of the weight is in the same securities (holdings dated Aug 31, 2026 and Jun 30, 2026).
- Cost. JFLX charges 0.45% of assets a year and SPSB 0.04%, a gap of 0.41 points.
Data as of Oct 28, 2026.
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JFLX
JFLX is actively managed and tracks no 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 Index. The prospectus expense ratio is 0.45% a year.
SPSB
SPSB tracks an index of Short Term Corporate Bond. Over the year to Oct 28, 2026 it returned +2.2% with distributions reinvested, against −1.4% for its benchmark, the Bloomberg U.S. Aggregate Bond Index. The prospectus expense ratio is 0.04% a year.
Questions people ask
- Which returned more over the last year, JFLX or SPSB?
- In the year to Oct 28, 2026, with distributions reinvested, JFLX returned +1.7% and SPSB +2.2%.
- Which is cheaper, JFLX or SPSB?
- SPSB is cheaper, by 0.41 percentage points a year. That is about $41 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, JFLX against SPSB, data as of Oct 28, 2026. https://etfiq.com/compare/any/jflx-vs-spsb
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