Data as of .
DOCT vs SIXZ: which one stands where?
As of Sep 21, 2026 DOCT can fall 14.7% before its buffer engages and SIXZ 5.6%, and DOCT resets 15 days sooner.
ETFIQ Downside Cover Score: SIXZ 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
Where each one stands today
DOCT resets first, on Oct 16, 2026, 25 days from now; SIXZ runs to Oct 31, 2026, 40 days. DOCT can still gain 0.5% before its cap, SIXZ 1.8%. A fall from here reaches DOCT’s buffer after 14.7% and SIXZ’s after 5.6%. 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 | ||
|---|---|---|---|---|
| DOCT | SIXZ | DOCT | SIXZ | |
| 3 months | +2.8% | +2.5% | +0.5 pts | +0.3 pts |
| 6 months | +10.5% | +11.6% | −7.6 pts | −6.4 pts |
| 1 year | +11.4% | +10.9% | −5.2 pts | −5.7 pts |
| 3 years | +35.1% | not published | −43.3 pts | not published |
| DOCT FT Vest U.S. Equity Deep Buffer ETF - October Absorbs losses from 5.0% to 30.0% on SPY and caps the gain at 11.7%, over a period ending Oct 16, 2026 | SIXZ AllianzIM U.S. Equity Buffer10 ETF - May Absorbs the first 10% of loss on SPY and caps the gain at 7.7%, over a period ending Oct 31, 2026 | |
|---|---|---|
| Issuer | First Trust | AllianzIM |
| Reference index | SPY | SPY |
| Buffer | 5% to 30% | 10% |
| Outcome period | Oct 20, 2025 to Oct 16, 2026 | May 1, 2026 to Oct 31, 2026 |
| Days left | 25 | 40 |
| Starting cap | +11.7% | +7.7% |
| Can still gain | 0.5% | 1.8% |
| Fall before buffer | 14.7% | 5.6% |
| Protection left, index points | 25.0% of 25.0% | 10.0% of 10.0% |
| Index return this period | +16.5% | +7.7% |
| Fund return this period | +10.3% | +5.5% |
| State today | At cap | Open |
| Expense ratio | 0.85% | 0.74% |
| Net assets | $397m | $65m |
DOCT in plain words
SPY had already risen past this fund's cap of +11.7% 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 0.5% as the period runs out. The fund's price can fall 14.7% from here before the buffer starts absorbing losses, by the issuer's figure. In index terms, SPY can fall 18.4% from today's level to the point where the buffer begins. Protection left, in index points: 25.0% of the 25.0% buffer still sits below today's SPY level. 25 days remained on Sep 21, 2026. On Oct 16, 2026 the period ends and a new cap is set.
SIXZ in plain words
From its price on Sep 21, 2026, the fund can gain about 1.8% more before it reaches its cap. The fund's price can fall 5.6% from here before the buffer starts absorbing losses, by the issuer's figure. In index terms, SPY can fall 7.1% 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. 40 days remained on Sep 21, 2026. On Oct 31, 2026 the period ends and a new cap is set.
Questions people ask
- Which has more room to gain, DOCT or SIXZ?
- From their prices on Sep 21, 2026, DOCT can gain about 0.5% before its cap and SIXZ about 1.8%, so SIXZ has more room left this period.
- Which resets first, DOCT or SIXZ?
- DOCT ends its outcome period on Oct 16, 2026 and SIXZ on Oct 31, 2026. A new cap is set the day after each.
- Which is cheaper, DOCT or SIXZ?
- DOCT charges 0.85% a year and SIXZ charges 0.74%, so SIXZ 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, DOCT against SIXZ, data as of Sep 21, 2026. https://etfiq.com/compare/buffer/doct-vs-sixz Free to use with attribution; the underlying files are at Open data.