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BSTZ stock

BlackRock Science and Technology Trust II (BSTZ) short interest & short volume · 45K shares short

BlackRock Science and Technology Trust II official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.

What changed

BSTZ short interest rose 14.9% to 45K shares in the Oct 15, 2026 report (1.0 days to cover). Daily short volume averaged 36.6% of volume over the last 20 sessions, down from 37.5% the 20 sessions before, the 43rd percentile of its own 20-day averages since Oct 6, 2025.

Short interest

Official, twice monthly · settled Oct 15, 2026

Shares short
45K
prior 39K
% of float
—
no float on file
Days to cover
1.0
avg vol 200K
Change vs prior report
+14.9%

6 reports

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

BSTZ 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, 202645K$1.3M+14.9%—1.0$27.95
Sep 30, 202639K$1.1M-49.2%—1.0$29.42
Sep 15, 202677K$2.1M-18.6%—1.0$27.81
Aug 31, 202694K$3.0M-8.4%—1.0$31.32
Aug 14, 2026103K$3.2M+13.1%—1.0$31.48
Jul 31, 202691K$2.6M+116.5%—1.0$28.43

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)
42.9%
56K of 130K
20-day average
36.6%
prior 37.5%
Percentile vs own history
43rd
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: -10.0%

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.

BSTZ'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 · BSTZ overview

Last 10 sessions · daily short volume · FINRA Reg SHO
DateShortTotalShort % of volume
2026-11-1155,671129,64442.9%
2026-11-1021,26870,08230.4%
2026-11-0934,143110,25331.0%
2026-11-0648,564121,80139.9%
2026-11-05119,509464,52325.7%
2026-11-0458,968141,85941.6%
2026-11-0338,160101,92437.4%
2026-11-0242,493132,55632.1%
2026-10-3057,533181,98031.6%
2026-10-2956,123117,56647.7%

BSTZ short interest FAQ

What is BSTZ's short interest?

BlackRock Science and Technology Trust II (BSTZ) had 45K shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.

How many days to cover does BSTZ have?

1.0 days: 45K shares short divided by an average daily volume of 200K for the Oct 15, 2026 period.

Is BSTZ short interest rising or falling?

BSTZ short interest rose (+14.9%) from 39K to 45K shares in the Oct 15, 2026 report.

Is BSTZ a short squeeze candidate?

Lician's squeeze watch scores BSTZ 7 out of 100 (low) from the Oct 15, 2026 report: days to cover 2.5/25, 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 BSTZ daily volume is sold short?

36.6% on average over the last 20 sessions to Nov 11, 2026 (FINRA Reg SHO daily short volume; the 43rd percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.

What was BSTZ's latest FINRA short volume?

On Nov 11, 2026, cached FINRA short volume for BlackRock Science and Technology Trust II (BSTZ) was 55,671 shares, 42.9% of 129,644 total volume.

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

This page lists 10 cached FINRA short-volume sessions for BlackRock Science and Technology Trust II (BSTZ), from Oct 29, 2026 through Nov 11, 2026.

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

Cached FINRA short volume for BlackRock Science and Technology Trust II (BSTZ) moved from 30.4% on Nov 10, 2026 to 42.9% on Nov 11, 2026, up 12.5 percentage points.

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