How much can RBUF still gain?

About 4.5% from its price on Sep 4, 2026, before it reaches its cap, by the issuer's published figure. The cap for the period was set at +4.9%.

How far can RBUF fall before the buffer helps?

0.4% in fund-price terms on Sep 4, 2026, by the issuer's figure. In index terms IWM can fall 0.0% from that level before the buffer begins. Losses until that point are the holder's.

How much of the RBUF buffer is left?

8.5% of the 10.0% buffer sat below the IWM level on Sep 4, 2026. That is an ETFIQ calculation in index points, on one definition for every issuer.

When does RBUF reset?

The outcome period ends on Sep 30, 2026, 26 days from the data on Sep 4, 2026. A new cap is set the next day and the buffer starts again.

The prospectus expense ratio is 0.79% a year.

Data as of Sep 4, 2026. Issuer-published figures as of the date shown; ETFIQ calculations marked. Definitions on the learn page.

RBUF · Innovator U.S. Small Cap 10 Buffer ETF - Quarterly

Name: ETFIQ buffer desk record for RBUF
Creator: ETFIQ
License: https://etfiq.com/standards/

Innovator · Buffer desk

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From its price on Sep 4, 2026, the fund can gain about 4.5% more before it reaches its cap. The fund's price can fall 0.4% from here before the buffer starts absorbing losses, by the issuer's figure. In index terms, IWM can fall 0.0% from today's level to the point where the buffer begins. Protection left, in index points: 8.5% of the 10.0% buffer still sits below today's IWM level. 26 days remained on Sep 4, 2026. On Sep 30, 2026 the period ends and a new cap is set.

RBUF (Innovator U.S. Small Cap 10 Buffer ETF - Quarterly), buffer desk fields as of Sep 4, 2026. Source: ETFIQ.
Reference index	IWM
Buffer
Outcome period	Jun 30, 2026 to Sep 30, 2026
Starting cap	+4.9%
IWM return since period start	−1.5%
Fund return since period start	+0.2%
Band state today (ETFIQ)	Buffer working
Can still gain (issuer, fund price)	4.5%
Fall before buffer (issuer, fund price)	0.4%
Fall to the buffer in index terms (ETFIQ)	0.0%
Protection left in index points (ETFIQ)	8.5% of 10.0%
Days left in period	26
Expense ratio	0.79%

Questions people ask

How much can RBUF still gain?: About 4.5% from its price on Sep 4, 2026, before it reaches its cap, by the issuer's published figure. The cap for the period was set at +4.9%.
How far can RBUF fall before the buffer helps?: 0.4% in fund-price terms on Sep 4, 2026, by the issuer's figure. In index terms IWM can fall 0.0% from that level before the buffer begins. Losses until that point are the holder's.
How much of the RBUF buffer is left?: 8.5% of the 10.0% buffer sat below the IWM level on Sep 4, 2026. That is an ETFIQ calculation in index points, on one definition for every issuer.
When does RBUF reset?: The outcome period ends on Sep 30, 2026, 26 days from the data on Sep 4, 2026. A new cap is set the next day and the buffer starts again.
What does RBUF cost?: The prospectus expense ratio is 0.79% a year.

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.

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RBUF outcome band, ETFIQ

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<p><a href="https://etfiq.com/funds/RBUF.html">RBUF outcome band, updated daily by ETFIQ</a></p>

Cite this page. ETFIQ, RBUF on the buffer desk, data as of Sep 4, 2026. https://etfiq.com/funds/RBUF.html Free to use with attribution; the underlying files are at Open data.

ETFIQ is an independent publisher of exchange-traded fund data. It is not a fund issuer, broker-dealer or investment adviser, and it makes no recommendations; sort orders and figures are stated arithmetic on published data. Standards · How to read this desk