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Guy Gentile
Guy Gentile: The Official Record
Small Caps

Low Float Stocks

Thin supply is why a small company can run 200 percent before lunch and give it all back in nine minutes. Here is how float actually works, and the slippage, borrow, and offering risks behind every runner.

Float is the number of shares actually available to trade — total shares outstanding minus what is locked up in insider and restricted holdings. When that number is small and a catalyst arrives, price does not move, it dislocates.

That is the entire attraction and the entire danger. A low-float stock can run 200 percent before lunch because there is almost nothing to sell, and it can give the whole move back in nine minutes for the same reason.

Here is how float works, why thin supply produces those moves, and the specific ways these names take money back from traders who treat them like normal stocks.

Breakdown

Thin Supply, Violent Prices

Float versus shares outstanding, why an empty book dislocates, the risks nobody prices in, and how to size for slipped exits.

01

Float Versus Shares Outstanding

Shares outstanding is everything issued. Float is what can trade freely today. A company with 40 million shares outstanding where insiders hold 34 million has a 6 million share float, and the price is set by that 6 million, not the 40.

There is no universal cutoff, but traders generally treat anything under about 10 million shares as low float and under 2 million as extremely thin. What matters more than the label is float relative to the day's volume: when a stock trades several times its entire float in a session, every share available has changed hands more than once.

Float is not static. Lockup expirations, warrant exercises, conversions, and offerings all add supply, which is why the float figure on a data provider is often the least reliable number on the screen. Confirm it against the latest 10-Q cover page.

02

Why Thin Supply Produces Violent Moves

Price is set at the margin. In a normal name a buyer wanting 50,000 shares finds them within pennies. In a low float that same order eats through several levels of the book, and each fill prints higher, which draws in momentum traders and scanners, which brings more buyers to a book that is now nearly empty.

Add short pressure and the effect compounds. A heavily shorted low float has a structural problem: the shares needed to cover simply may not be available at any sane price, so covering becomes a bidding war rather than an exit.

The same mechanics run in reverse and faster. Momentum buyers have no thesis beyond the move, so when the first meaningful seller appears the bid vanishes in levels rather than ticks. Down moves in these names are usually steeper than the run that preceded them.

03

The Risks Nobody Prices In

Slippage is the honest cost of trading these names. Your stop is not a price, it is an instruction to sell at whatever exists, and on a thin book that can be dollars away. Size must be set on the assumption that your exit is worse than your level, because it will be.

Dilution is the standing threat. Most low-float runners are cash-burning issuers, and a spike is exactly when a company with an effective shelf raises. Halts and after-hours offering announcements are where the real damage happens, and you cannot manage risk in either.

Then the operational realities: hard-to-borrow or unavailable shorts, borrow fees that make a small win a loss, halt cycles that reopen far from where they paused, and pump campaigns that supply the news the tape is reacting to.

04

A Framework If You Trade Them Anyway

Do the homework before the open, not during the move: float, share count trend across recent filings, cash versus burn, whether a shelf is effective, and where the borrow stands. That five-minute check separates a tradeable dislocation from a scheduled offering.

Size for the gaps, not the chart. Half or a quarter of your normal share count on a thin name keeps a slipped stop inside your ordinary loss, which is the only version of this trading that survives a full year.

Be flat into halts and into the close on anything with issuance capacity, and take partial profits mechanically. These moves do not distribute politely; the trader who scales out on strength keeps more than the one waiting for the perfect exit.

FAQ

Low Float FAQ

Not advice

This guide is general information from two decades of operating and trading experience. It is not tax, legal, or investment advice, and it is not a recommendation to trade any security. Rules change and your situation is specific \u2014 confirm anything that affects your money with a qualified professional.

I'm not a lawyer.