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TOVX stock

Theriva Biologics Inc. (TOVX) short interest & short volume · 1.8M shares short

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

What changed

TOVX short interest rose 7.8% to 1.8M shares in the Oct 15, 2026 report (3.3 days to cover). Daily short volume averaged 51.0% of volume over the last 20 sessions, the 45th percentile of its own 20-day averages since Sep 23, 2025.

Short interest

Official, twice monthly · settled Oct 15, 2026

Shares short
1.8M
prior 1.7M
% of float
—
no float on file
Days to cover
3.3
avg vol 561K
Change vs prior report
+7.8%

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 (Nov 2)
49.5%
3.1M of 6.3M
20-day average
51.0%
prior 51.4%
Percentile vs own history
45th
233 periods since 2025

Loading prices…

Short volumeRest of the day's volume

Source: FINRA Reg SHO daily short sale volume · Latest Nov 2, 2026

Short squeeze score (model)

Price since settlement: -14.2%

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 · TOVX overview

Last 10 sessions · daily short volume · FINRA Reg SHO
DateShortTotalShort % of volume
2026-11-023,126,6296,309,56249.5%
2026-10-30363,1701,056,82634.4%
2026-10-29166,705325,80551.2%
2026-10-2876,891129,65059.3%
2026-10-27142,504417,01534.2%
2026-10-26182,217298,38461.1%
2026-10-23207,439250,00683.0%
2026-10-22241,955412,94458.6%
2026-10-21123,009407,63030.2%
2026-10-2096,869174,65955.5%

Healthcare peers with similar quant ratings

TOVX among 532 rated Healthcare stocks (Lician quant rating, Nov 4, 2026). How the rating works

TOVX short interest FAQ

What is TOVX's short interest?

Theriva Biologics Inc. (TOVX) had 1.8M shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.

How many days to cover does TOVX have?

3.3 days: 1.8M shares short divided by an average daily volume of 561K for the Oct 15, 2026 period.

Is TOVX short interest rising or falling?

TOVX short interest rose (+7.8%) from 1.7M to 1.8M shares in the Oct 15, 2026 report.

Is TOVX a short squeeze candidate?

Lician's squeeze watch scores TOVX 11 out of 100 (low) from the Oct 15, 2026 report: days to cover 8.2/25, change in short interest vs prior report 2.4/15, 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 TOVX daily volume is sold short?

51.0% on average over the last 20 sessions to Nov 2, 2026 (FINRA Reg SHO daily short volume; the 45th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.

What was TOVX's latest FINRA short volume?

On Nov 2, 2026, cached FINRA short volume for Theriva Biologics Inc. (TOVX) was 3,126,629 shares, 49.5% of 6,309,562 total volume.

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

This page lists 10 cached FINRA short-volume sessions for Theriva Biologics Inc. (TOVX), from Oct 20, 2026 through Nov 2, 2026.

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

Cached FINRA short volume for Theriva Biologics Inc. (TOVX) moved from 34.4% on Oct 30, 2026 to 49.5% on Nov 2, 2026, up 15.1 percentage points.

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