Answered from ETFIQ data as of .
Can you lose money in a buffer ETF?
Yes, in four ways, and two of them are happening today. Of the 380 buffer ETFs ETFIQ measures on Sep 12, 2026, 49 sit below where their outcome period started, 53 have begun spending their buffer, and 14 are carrying a fall their buffer does not cover at all, because it does not begin until the reference is already down.
The first way is the one the label describes. A buffer absorbs a stated range of losses and nothing beyond it, so once the reference has fallen further than the buffer is deep, every further point reaches the holder. That is the design working, not failing.
The second is the part of the range a buffer does not start at. 73 of the 380 funds here protect from 0.04 to 20.56 points below zero rather than from zero, so the first 0.04 to 20.56 points of a fall are the holder’s before any protection begins. The fund names call these floor and ultra buffer strategies, and the deeper protection they advertise is bought with that first slice. ETFIQ shows where each buffer starts and ends rather than a single depth.
The third is timing. The cap and the buffer are struck on the first day of the outcome period and the terms a mid-period buyer gets are whatever is left of them. Buying after the reference has already fallen means less buffer beneath and more room to the cap; buying after it has risen means the reverse. The advertised numbers describe day one, and what is left today is published here for every fund.
The fourth is selling early. The outcome applies over the whole period and nowhere inside it. A fund sold halfway through is sold at whatever its options are worth that day, which can be below the protected value even while the reference sits inside the buffer.
On ETFIQ today
| Ticker | Fund | Buffer | Used so far | Fund | Reference | Period ends |
|---|---|---|---|---|---|---|
| CBOO | Calamos Bitcoin Structured Alt Prote | 1% to 100% | −35.2 pts | −0.8% | −36.4% | Oct 7, 2026 |
| CBXO | Calamos Bitcoin 90 Series Structured | 11% to 100% | −25.4 pts | −10.7% | −36.4% | Oct 7, 2026 |
| BFOC | FT Vest Bitcoin Strategy Floor15 ETF | 15% to 100% | −17.7 pts | −14.9% | −32.7% | Sep 30, 2026 |
| CBTO | Calamos Bitcoin 80 Series Structured | 21% to 100% | −15.8 pts | −20.5% | −36.4% | Oct 7, 2026 |
| TBJL | Innovator 20+ Year Treasury Bond 9 B | 9% | −6.4 pts | −5.0% | −6.4% | Jun 30, 2027 |
| TJUN | FT Vest Emerging Markets Buffer ETF | 10% | −4.2 pts | −1.6% | −4.2% | Jun 17, 2027 |
| QBKF | AllianzIM U.S. Small Cap Buffer15 ET | 15% | −3.9 pts | −0.2% | −3.9% | Sep 30, 2026 |
| QBKV | AllianzIM U.S. Small Cap Buffer5 ETF | 5% | −3.9 pts | −1.3% | −3.9% | Sep 30, 2026 |
| KJUL | Innovator U.S. Small Cap Power Buffe | 15% | −3.9 pts | −1.0% | −3.9% | Jun 30, 2027 |
| RBUF | Innovator U.S. Small Cap 10 Buffer E | 10% | −3.9 pts | −0.5% | −3.9% | Sep 30, 2026 |
| QJN | Corgi Growth & Technology 10% Struct | 10% | −3.8 pts | −0.7% | −3.8% | May 31, 2027 |
| QQJN | Corgi Growth & Technology 15% Struct | 15% | −3.8 pts | −0.2% | −3.8% | May 31, 2027 |
| SAUG | FT Vest U.S. Small Cap Moderate Buff | 15% | −3.7 pts | −1.4% | −3.7% | Aug 20, 2027 |
| CPNJ | Calamos Nasdaq-100 ® Structured Alt | 0% to 100% | −3.6 pts | −0.2% | −3.8% | May 29, 2027 |
| SCJL | Corgi U.S. Small-Cap 15% Structured | 15% | −3.5 pts | −0.8% | −3.5% | Jun 30, 2027 |
| QJUN | FT Vest Nasdaq-100® Buffer ETF - Jun | 10% | −3.5 pts | −1.1% | −3.5% | Jun 17, 2027 |
| CPRJ | Calamos Russell 2000 ® Structured Al | 0% to 100% | −3.4 pts | −0.3% | −3.5% | Jul 1, 2027 |
| EMJN | Corgi Emerging Markets Equities 15% | 15% | −3.2 pts | −6.6% | −3.2% | May 31, 2027 |
| NJUN | Innovator Growth-100 Power Buffer ET | 15% | −3.2 pts | −0.5% | −3.2% | May 31, 2027 |
| QBQF | AllianzIM Growth-100 Buffer15 ETF - | 15% | −2.9 pts | 0.0% | −2.9% | Sep 30, 2026 |
Where to next
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.
ETFIQ is an independent publisher of exchange-traded fund data and makes no recommendations. Every figure is stated arithmetic on published data. Standards and sources
Cite this page. ETFIQ, Can you lose money in a buffer ETF?, data as of Sep 12, 2026. https://etfiq.com/questions/can-you-lose-money-in-a-buffer-etf Free to use with attribution; the underlying files are at Open data.