Biggest Small-Cap Gaps August 24, 2026: Float and Dilution Sourced

Direct answer: On August 24, 2026, six US small-caps gapped up more than +40% at the open. DAIC (CID HoldCo, Inc.) led with a +154% opening gap on a 1.21-million-share float. Volume ranged from 14 million to 128 million shares, triggering the Short Sale Restriction on most names. These moves illustrate the mechanical effect of concentrated volume hitting a shallow float—no specific catalyst is established here for each ticker.

Six stocks above +40% at the open

The August 24 session saw six small-caps open with gaps exceeding +40% from the prior close. These moves clustered in names with floats between 0.95 million and 16.98 million shares.

Ticker	Company	Opening gap	Intraday high	Float (M)	Closing price	Volume traded
DAIC	CID HoldCo, Inc.	+154%	+623%	1.21	$1.7182	73,748,381
XPON	Expion360 Inc.	+126%	+187%	0.95	$6.10	56,962,728
BTCT	BTC Digital Ltd.	+43%	+140%	16.98	$1.73	128,328,089
SDOT	Sadot Group Inc.	+63%	+132%	1.06	$23.12	21,138,704
LUCY	Innovative Eyewear, Inc.	+45%	+89%	8.61	$1.0999	128,075,999
PMI	Picard Medical, Inc.	+41%	+64%	2.05	$5.2074	14,212,110

These figures come from the FloatVerify database, which dates and sources each float from the most recent available SEC filings (forms 10-Q, 10-K, S-1, 424B5). Closing price and volume are from the August 24, 2026, session.

DAIC: an intraday spike to +623% on a 1.21-million float

CID HoldCo, Inc. (DAIC) opened the session at +154% and reached an intraday high of +623%. The recorded float stands at 1.21 million shares as of the last filing captured. Volume traded—73.7 million shares—represents roughly sixty times the float. Each share statistically changed hands dozens of times during the session.

On a gapping small-cap, that kind of volume-to-float ratio mechanically amplifies volatility: every buy or sell order carries more weight relative to available supply and demand. The Short Sale Restriction (SSR) likely applied to DAIC if the pullback from the high exceeded 10% versus the prior close. No specific catalyst—announcement, earnings, contract—is established here for this move; readers wanting to trace the origin should consult 8-K filings and press wires from August 23 and 24.

XPON and SDOT: floats below 1.1 million

Expion360 Inc. (XPON) opened +126% and peaked at +187% intraday, on a 0.95-million-share float—the smallest on the list. Volume traded (57 million) represents roughly sixty times the float. Sadot Group Inc. (SDOT) opened +63% and hit +132%, with a 1.06-million float and 21.1 million shares traded, around twenty times the float.

Both examples show that a float below 1.1 million, coupled with heavy volume, can produce rapid, wide price swings. The mechanism is straightforward. If every available share changes hands multiple times in a day, buy or sell orders clustered in short intervals push price in one direction without requiring large absolute dollar amounts. A low float is neither "good" nor "bad" in itself—it's a structural fact that describes available market depth.

BTCT and LUCY: volume above 128 million

BTC Digital Ltd. (BTCT) and Innovative Eyewear, Inc. (LUCY) both traded over 128 million shares. BTCT, with a 16.98-million float, opened +43% and reached +140% intraday. LUCY, with an 8.61-million float, opened +45% and peaked at +89%. BTCT's volume-to-float ratio (roughly 7.5×) is less extreme than DAIC or XPON, but still well above the norm for a liquid stock (typically < 0.5× per day).

LUCY posted a volume-to-float ratio around 14.9×. Shares changed hands an average of nearly fifteen times—characteristic of a day of heavy speculative activity or institutional repositioning. No catalyst is provided here for BTCT or LUCY; readers wanting to understand the origin of the move should cross-check 8-K announcements, press releases, and social-media discussions from the prior day and the session itself.

PMI: +64% intraday, 2.05-million float

Picard Medical, Inc. (PMI) rounds out the list with a +41% opening gap and a +64% intraday high. The recorded float sits at 2.05 million shares, and volume reached 14.2 million, roughly seven times the float. That ratio is less extreme than DAIC, XPON, or SDOT, but still well beyond the daily average for a quiet small-cap.

PMI illustrates a case where the opening gap is notable (+41%), yet intraday range remains moderate (+64%) compared to DAIC's +623%. The spread between opening gap and intraday high depends on price trajectory once the session begins. A stock can gap up and then stabilize, or it can accelerate higher intraday if buy flow persists.

Float and dilution: a dated figure that moves

Float is not a fixed number. Any new share issuance—private placement (PIPE), warrant exercise, debt conversion, at-the-market offering (ATM)—increases shares outstanding and, if those shares enter free circulation, the float. A 1.21-million float today can become 5 million tomorrow if the company raises capital by issuing 3.79 million new shares.

Financial aggregators (Yahoo Finance, MarketWatch, TradingView) often display different floats for the same ticker. They update their databases at different cadences and apply varying methods to distinguish locked shares from freely traded shares. FloatVerify dates and sources each float from the most recent SEC filing (424B5 for an offering, 10-Q or 10-K for quarterly or annual reports), and surfaces divergences between sources ("source split") instead of a single falsely certain figure.

A trader reading "float 1.21 M" without knowing the date of the last filing risks basing a decision on stale data. That's the equivalent of checking a bank balance without knowing whether it's from yesterday or last month.

Short Sale Restriction (SSR): what Regulation SHO says

The Short Sale Restriction (SSR), defined by Rule 201 of the SEC's Regulation SHO, activates automatically when a stock falls 10% or more from the prior close. Once triggered, SSR prohibits short sales at the bid (the best buy price) for the rest of the day and the entire following session. Short sellers can only place orders above the current bid (uptick).

The rule aims to prevent aggressive short selling from amplifying a downward move already in progress. In the case of a gap up followed by a pullback, SSR can trigger intraday if price drops 10% from the prior close, even if it remains well above that close in absolute terms. For example, a stock closing at $1, opening at $2 (+100%), then falling to $0.89 has lost 11% versus $1 and triggers SSR.

SSR does not prevent declines. It simply limits how short sellers can place orders. It does not guarantee price will stabilize or continue rising. It's a piece of market plumbing, not a directional signal.

Recap

Point	Takeaway
Biggest gap	DAIC +154% at open, +623% intraday high, 1.21 M float, 73.7 M volume
Smallest float	XPON 0.95 M, +126% gap, +187% high, 57 M volume (volume/float ≈ 60×)
Largest volume	BTCT and LUCY > 128 M shares, floats 16.98 M and 8.61 M respectively
SSR	Triggered automatically if stock falls ≥ 10% vs. prior close, prohibits shorts at bid
Float = dated figure	Any dilutive filing (PIPE, warrants, ATM) changes float; reading it without a date = risk
Where to read float	SEC forms 10-Q, 10-K, S-1, 424B5; FloatVerify dates and sources every figure

FAQ

Which stock had the biggest gap on August 24, 2026?

DAIC (CID HoldCo, Inc.) opened +154% above the prior close and hit an intraday high of +623%. Float stood at 1.21 million shares; volume reached 73.7 million, triggering the Short Sale Restriction.

Why does a low float amplify price moves?

With a small float, every order carries more weight relative to available supply and demand. A 1-million float facing 70 million in volume means each share statistically changed hands dozens of times, which can drive rapid, wide price swings.

Where can I find the official float for a small-cap?

Float is calculated by subtracting locked shares—insiders, founders, long-term institutional blocks—from total shares outstanding. That data appears in SEC filings: 10-Q, 10-K, S-1, or 424B5. FloatVerify extracts, dates, and sources every figure to avoid discrepancies between aggregators.

What is the Short Sale Restriction (SSR)?

SSR (Rule 201, Regulation SHO) activates automatically when a stock falls 10% or more from the prior close. It prohibits short sales at the bid for the rest of the day and the following session. A gap up followed by a 10% pullback can trigger SSR intraday.

Does the float change after dilution?

Yes. Any new share issuance—PIPE, warrant exercise, debt conversion, at-the-market offering—increases shares outstanding and, if those shares enter free circulation, the float. Reading a float without a timestamp is like checking a bank balance without knowing the date.

Sources

• SEC EDGAR (forms 10-Q, 10-K, S-1, 424B5): sec.gov/edgar
• Regulation SHO (Rule 201, Short Sale Restriction): sec.gov/rules
• FloatVerify: sourced and dated float database, updated daily from SEC filings

See the float, sourced and dated, on FloatVerify.

---

FloatVerify shows the float, dilution and cash burn of US small-caps, every number sourced and dated — and surfaces divergences between sources ("source split") instead of one falsely certain figure.

Disclaimer: FloatVerify is a data tool, not an investment advisory service. Nothing here is a recommendation to buy or sell. Data, not advice.