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LNZAW stock

LanzaTech Global Inc. (LNZAW) short interest & short volume · 33K shares short

LanzaTech Global Inc. official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.

What changed

LNZAW short interest fell 20.5% to 33K shares in the Oct 15, 2026 report (1.2 days to cover). Daily short volume averaged 75.0% of volume over the last 20 sessions, up from 72.8% the 20 sessions before, the 94th percentile of its own 20-day averages since Sep 16, 2025.

Short interest

Official, twice monthly · settled Oct 15, 2026

Shares short
33K
prior 42K
% of float
—
no float on file
Days to cover
1.2
avg vol 28K
Change vs prior report
-20.5%

6 reports

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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 (Oct 29)
100.0%
15K of 15K
20-day average
75.0%
prior 72.8%
Percentile vs own history
94th
163 periods since 2025

Loading prices…

Short volumeRest of the day's volume

Source: FINRA Reg SHO daily short sale volume · Latest Oct 29, 2026

Short squeeze score (model)

Price since settlement: -39.8%

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.

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

Last 10 sessions · daily short volume · FINRA Reg SHO
DateShortTotalShort % of volume
2026-10-2915,00015,000100.0%
2026-10-281,1601,160100.0%
2026-10-2210,30010,300100.0%
2026-10-2010010,8620.9%
2026-10-19500500100.0%
2026-10-163,4443,444100.0%
2026-10-1569,43084,13082.5%
2026-10-0820,60020,600100.0%
2026-10-061,50614,50610.4%
2026-09-285,0076,20580.7%

Industrials peers with similar quant ratings

LNZAW among 418 rated Industrials stocks (Lician quant rating, Nov 4, 2026). How the rating works

LNZAW short interest FAQ

What is LNZAW's short interest?

LanzaTech Global Inc. (LNZAW) had 33K shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.

How many days to cover does LNZAW have?

1.2 days: 33K shares short divided by an average daily volume of 28K for the Oct 15, 2026 period.

Is LNZAW short interest rising or falling?

LNZAW short interest fell (-20.5%) from 42K to 33K shares in the Oct 15, 2026 report.

Is LNZAW a short squeeze candidate?

Lician's squeeze watch scores LNZAW 3 out of 100 (low) from the Oct 15, 2026 report: days to cover 2.9/25, change in short interest vs prior report 0/15, 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 LNZAW daily volume is sold short?

75.0% on average over the last 20 sessions to Oct 29, 2026 (FINRA Reg SHO daily short volume; the 94th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.

What was LNZAW's latest FINRA short volume?

On Oct 29, 2026, cached FINRA short volume for LanzaTech Global Inc. (LNZAW) was 15,000 shares, 100.0% of 15,000 total volume.

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

This page lists 10 cached FINRA short-volume sessions for LanzaTech Global Inc. (LNZAW), from Sep 28, 2026 through Oct 29, 2026.

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

Cached FINRA short volume for LanzaTech Global Inc. (LNZAW) was unchanged at 100.0% from Oct 28, 2026 to Oct 29, 2026.

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