Data as of .
QBSF vs SIXO: which one stands where?
As of Sep 21, 2026 SIXO can fall 8.0% before its buffer engages and QBSF 2.5%.
ETFIQ Downside Cover Score: QBSF scores higher
If the market falls into a bear market from here, how much does the buffer absorb?
A percentile among the 293 buffer ETFs with a live outcome period. It is a position in a set, not a rating, and neither end of it is a recommendation. All buffer ETFs ranked by it · How it is computed
Both are AllianzIM funds, so the difference between them is the terms rather than the house.
Where each one stands today
QBSF resets first, on Sep 30, 2026, 10 days from now; SIXO runs to Sep 30, 2026, 10 days. QBSF can still gain 0.4% before its cap, SIXO 0.1%. A fall from here reaches QBSF’s buffer after 2.5% and SIXO’s after 8.0%. Both track SPY, so what separates them is where each is in its own period.
Every figure is ETFIQ’s own, from the issuer’s published outcome-period terms. A buffer ETF holds FLEX options on its reference index rather than shares, so there is no holdings overlap between two of them to report.
Performance, window by window
| Window | Total return | Gap to the reference | ||
|---|---|---|---|---|
| QBSF | SIXO | QBSF | SIXO | |
| 3 months | +1.7% | +2.1% | −0.5 pts | −0.1 pts |
| 6 months | +4.8% | +8.0% | −13.3 pts | −10.0 pts |
| 1 year | +7.0% | +8.0% | −9.5 pts | −8.6 pts |
| 3 years | not published | +30.1% | not published | −48.3 pts |
| QBSF AllianzIM U.S. Equity Buffer15 ETF - Jan Absorbs the first 15% of loss on SPY and caps the gain at 2.9%, over a period ending Sep 30, 2026 | SIXO AllianzIM U.S. Equity Buffer10 ETF - Apr Absorbs the first 10% of loss on SPY and caps the gain at 8.7%, over a period ending Sep 30, 2026 | |
|---|---|---|
| Issuer | AllianzIM | AllianzIM |
| Reference index | SPY | SPY |
| Buffer | 15% | 10% |
| Outcome period | Jul 1, 2026 to Sep 30, 2026 | Apr 1, 2026 to Sep 30, 2026 |
| Days left | 10 | 10 |
| Starting cap | +2.9% | +8.7% |
| Can still gain | 0.4% | 0.1% |
| Fall before buffer | 2.5% | 8.0% |
| Protection left, index points | 15.0% of 15.0% | 10.0% of 10.0% |
| Index return this period | +3.6% | +19.0% |
| Fund return this period | +2.4% | +8.2% |
| State today | At cap | At cap |
| Expense ratio | 0.64% | 0.74% |
| Net assets | $62m | $119m |
QBSF in plain words
SPY had already risen past this fund's cap of +2.9% for the period on Sep 21, 2026, so in index terms there is no more upside to collect. The fund's own price can still drift up to about 0.4% as the period runs out. The fund's price can fall 2.5% from here before the buffer starts absorbing losses, by the issuer's figure. In index terms, SPY can fall 3.5% from today's level to the point where the buffer begins. Protection left, in index points: 15.0% of the 15.0% buffer still sits below today's SPY level. 10 days remained on Sep 21, 2026. On Sep 30, 2026 the period ends and a new cap is set.
SIXO in plain words
SPY had already risen past this fund's cap of +8.7% for the period on Sep 21, 2026, so in index terms there is no more upside to collect. The fund's own price can still drift up to about 0.1% as the period runs out. The fund's price can fall 8.0% from here before the buffer starts absorbing losses, by the issuer's figure. In index terms, SPY can fall 16.0% from today's level to the point where the buffer begins. Protection left, in index points: 10.0% of the 10.0% buffer still sits below today's SPY level.
Questions people ask
- Which has more room to gain, QBSF or SIXO?
- From their prices on Sep 21, 2026, QBSF can gain about 0.4% before its cap and SIXO about 0.1%, so QBSF has more room left this period.
- Which resets first, QBSF or SIXO?
- QBSF ends its outcome period on Sep 30, 2026 and SIXO on Sep 30, 2026. A new cap is set the day after each.
- Which is cheaper, QBSF or SIXO?
- QBSF charges 0.64% a year and SIXO charges 0.74%, so QBSF is cheaper. Fees come from each fund's prospectus.
Other comparisons
Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, QBSF against SIXO, data as of Sep 21, 2026. https://etfiq.com/compare/buffer/qbsf-vs-sixo Free to use with attribution; the underlying files are at Open data.