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361,501
Biweekly short interest, shares short, from NASDAQ.
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STAK Short Interest Snapshot

STAK (STAK) has 361,501 shares short (3.61% of shares outstanding), down 26.1% from the prior period — shorts are covering. The data is biweekly short interest reported to NASDAQ, with a built-in 2-week reporting lag — the same canonical figure short-interest trackers publish.

Shares Short
361,501
as of Sep 15, 2026
% of Outstanding
3.61%
short ÷ shares outstanding
Days to Cover
1.00
on 469,016 avg daily volume
vs Prior Period
-26.1%

Recent STAK Short Interest Settlements

Each row is a biweekly snapshot — the cadence at which short interest is officially reported. The percent column is the change versus the prior settlement.

Settlement Date Shares Short vs Prior Days to Cover
Sep 15, 2026 361,501 1.00
Aug 31, 2026 489,113 1.00
Aug 14, 2026 590,330 1.00
Jul 31, 2026 1,046,856 1.00
Jul 15, 2026 462,373 1.80
Jun 30, 2026 620,724 1.48
Jun 15, 2026 730,110 1.00
May 29, 2026 301,790 1.00

Is STAK Heavily Shorted?

"Days to cover" is the number of average trading days it would take shorts to buy back their position at recent volume. For STAK, that’s currently 1.00 days against 469,016 shares of average daily volume. A low days-to-cover means shorts can exit on normal volume, so short-squeeze risk is muted here.

STAK Short Interest in Context

Short interest is most useful read against the rest of the picture. Heavy shorting that lines up with insider selling and weakening Employee Business Outlook is a different story from heavy shorting with insider buying and a positive AI Score — the same number, very different setups.

The other signals on STAK right now:

Read together, the picture is mixed — no decisive read from short interest plus the underlying signals. Worth tracking which side moves first.

For the other side of the position, see STAK insider transactions and congressional trades. For social-side conviction, see STAK overall sentiment and Reddit mentions.

STAK Short Interest: Frequently Asked Questions

STAK has 361,501 shares short — about 3.61% of its shares outstanding as of Sep 15, 2026. This figure is the official biweekly short interest report, which lags the settlement date by about two weeks — the same convention every short-interest tracker uses. (Note: "% of shares outstanding" runs slightly below the "% of float" you may see on MarketBeat or Fintel, since float excludes insider-held and restricted shares.)

At 361,501 shares short and 469,016 shares of average daily volume, STAK’s days-to-cover is 1.00. A low days-to-cover means shorts can exit on normal volume, so short-squeeze risk is muted here.

Short squeezes happen when heavily shorted stocks rally sharply, forcing shorts to buy back at higher prices. The classic warning signs are days-to-cover above ~5, rising short interest, and a catalyst that pushes price up. STAK’s days-to-cover at 1.00 is below the classic ~5-day threshold. AltIndex tracks short interest alongside insider activity and sentiment — the same number reads very differently depending on what those other signals say.

The biweekly short interest figures come from NASDAQ’s official short interest report — the same source used by MarketBeat, Fintel, and Benzinga. The data is settlement-date-based, published twice a month, and lags about two weeks. For daily short-selling activity (a higher-frequency complement), see the short squeeze tracker.

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The analytics provided are estimates and not a substitute for professional advice. All investments involve risks, including possible capital loss.