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BUFF stock

Innovator Laddered Allocation Power Buffer ETF (BUFF) short interest & short volume · 125K shares short

Innovator Laddered Allocation Power Buffer ETF official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.

What changed

BUFF short interest rose 15.1% to 125K shares in the Oct 15, 2026 report (1.3 days to cover). Daily short volume averaged 66.5% of volume over the last 20 sessions, down from 73.8% the 20 sessions before, the 77th percentile of its own 20-day averages since Oct 6, 2025.

Short interest

Official, twice monthly · settled Oct 15, 2026

Shares short
125K
prior 109K
% of float
—
no float on file
Days to cover
1.3
avg vol 94K
Change vs prior report
+15.1%

6 reports

The last 24 reports (about a year) with Lician Pro.Start 3-day trial — $149/yr

BUFF short interest by FINRA report (last 6) · price is the close on the report date
Report dateShares short$ value shortChange% floatDays to coverPrice
Oct 15, 2026125K$6.8M+15.1%—1.3$54.30
Sep 30, 2026109K$5.9M+29.5%—1.1$53.88
Sep 15, 202684K$4.5M-1.8%—1.0$53.55
Aug 31, 202686K$4.6M+9.5%—1.0$53.75
Aug 14, 202678K$4.2M+36.0%—1.0$53.80
Jul 31, 202658K$3.0M+13.2%—1.0$52.98

Days to cover is short interest divided by FINRA's average daily volume for the period: how many average days of trading it would take shorts to buy back.

Source: FINRA equity short interest (twice monthly) · Settlement Oct 15, 2026

Daily short volume

Share of each day's volume sold short · FINRA Reg SHO

Latest (Nov 11)
74.8%
111K of 148K
20-day average
66.5%
prior 73.8%
Percentile vs own history
77th
233 periods since 2025

Loading prices…

Short volumeRest of the day's volume

Source: FINRA Reg SHO daily short sale volume · Latest Nov 11, 2026

Short squeeze score (model)

Price since settlement: -0.7%

Model, not a forecast: 40 pts short interest % of float (full at 30%), 25 pts days to cover (full at 10), 15 pts rise in short interest since the prior report (full at +50%), 20 pts price gain since the settlement date (full at +25%). Missing inputs score 0.

BUFF's squeeze score and its inputs with Lician Pro.Start 3-day trial — $149/yr

Market-wide: most shorted stocks, biggest changes and unusual short volume · BUFF overview

Last 10 sessions · daily short volume · FINRA Reg SHO
DateShortTotalShort % of volume
2026-11-11110,716148,06074.8%
2026-11-1039,49369,33857.0%
2026-11-0930,67571,67942.8%
2026-11-06101,124181,68555.7%
2026-11-0559,90376,91877.9%
2026-11-0456,41886,98364.9%
2026-11-03126,716155,33681.6%
2026-11-0252,63667,33178.2%
2026-10-3073,65097,45275.6%
2026-10-2930,07145,58166.0%

BUFF short interest FAQ

What is BUFF's short interest?

Innovator Laddered Allocation Power Buffer ETF (BUFF) had 125K shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.

How many days to cover does BUFF have?

1.3 days: 125K shares short divided by an average daily volume of 94K for the Oct 15, 2026 period.

Is BUFF short interest rising or falling?

BUFF short interest rose (+15.1%) from 109K to 125K shares in the Oct 15, 2026 report.

Is BUFF a short squeeze candidate?

Lician's squeeze watch scores BUFF 8 out of 100 (low) from the Oct 15, 2026 report: days to cover 3.3/25, change in short interest vs prior report 4.5/15, price change since settlement date 0/20. It is a transparent model of how crowded the short side is, not a forecast that a squeeze will happen.

What share of BUFF daily volume is sold short?

66.5% on average over the last 20 sessions to Nov 11, 2026 (FINRA Reg SHO daily short volume; the 77th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.

What was BUFF's latest FINRA short volume?

On Nov 11, 2026, cached FINRA short volume for Innovator Laddered Allocation Power Buffer ETF (BUFF) was 110,716 shares, 74.8% of 148,060 total volume.

How many BUFF short-volume sessions are listed on this page?

This page lists 10 cached FINRA short-volume sessions for Innovator Laddered Allocation Power Buffer ETF (BUFF), from Oct 29, 2026 through Nov 11, 2026.

How did BUFF short volume percent change from the prior cached session?

Cached FINRA short volume for Innovator Laddered Allocation Power Buffer ETF (BUFF) moved from 57.0% on Nov 10, 2026 to 74.8% on Nov 11, 2026, up 17.8 percentage points.

Not investment advice. Figures as filed or reported, not a live feed.