Hindsight Markets Recaps Small-cap stocks on September 24, 2026
GCTK, September 24: $5.05 before 4:30, a $3 million offering, and a wall at $3.20
GCTK opened up 20%, ran to $3.25, then gave back most of the run by the close.
What happened
An early top
The day peaked before most traders were awake. GCTK hit $5.05 at 4:24 a.m., 149% above the $2.03 close.
The bid that vanished
Here a huge bid looked like support. By 7:47 a bid at $4.12 had grown to 497K shares, 66% of the float.
Stop It's 7:54. GCTK is at $4.13. Just below, a bid at $4.12 has been on the book since 7:45 and peaked at 496,552 shares, about 65% of the float. Would you buy here?
Press play: the real Level 2, tape and chart run from 7:51 a.m. and stop at 7:54 a.m. ET for your call.
The bid was pulled at 7:54:38, and the stock fell to $3.86 that minute. At 8:45 a $3 million offering was priced. That same minute it dropped from $4.11 to $2.25.
The wall at $3.20
After a $2.43 open it climbed to $3.25 by 9:39. At 9:40:19 a large offer appeared at $3.20.
Stop It's 9:42. GCTK is at $3.05. A large block of stock has been offered at exactly $3.20 since 9:40. Would you buy here?
Press play: the real Level 2, tape and chart run from 9:39 a.m. and stop at 9:42 a.m. ET for your call.
Buyers ate it: 59K shares traded at $3.20 in 24 seconds. It did not follow through. By 9:47 it was $2.75, and at 4 p.m. it was $2.58, 49% under the high.
What to take from it: A big wall can vanish in seconds, pulled or eaten, and neither told you what came next.
Replay GCTK's day
It starts at 9:21 a.m. ET with the real Level 2, time and sales and chart, from the same feed the replay plays, stops at 9:24 a.m. and asks what you would do. Or press Play on any moment in How it traded.
The details
How it traded, step by step
Gap, run, gave some back. It gapped up 19.7% to $2.43 at the open, ran from the open to the high of $3.25 in 9 minutes, then gave back 82% of that move by 4:00 p.m., trading at $2.58, still above the open.
| Time (ET) | What happened | Watch it |
|---|---|---|
| 4:00 a.m. | First trade 20% above the previous close of $2.03 | |
| 4:05 a.m. | Volume since 4:00 a.m. passes the whole float, 757,086 shares | |
| 4:24 a.m. | Pre-market high, $5.05 | |
| 4:24 a.m. | High of the day to the close, $5.05 | |
| 9:30 a.m. | The open: $2.43, up 19.7% from the previous close | |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $2.58, 49.0% below the high |
The shape's name comes from a fixed rule, not a judgement (how shapes are named). Halts are in the halt table below.
The day in numbers
- Previous close
- $2.03
- Open, 9:30 a.m.
- $2.43
- Gap at the open
- +19.7%
- Pre-market high
- $5.05 at 4:24 a.m.
- High, 4 a.m. to 4 p.m.
- $5.05 at 4:24 a.m.
- Low, 4 a.m. to 4 p.m.
- $2.11
- Close, 4 p.m.
- $2.58
- Change at 4 p.m.
- +26.8%
- After-hours high, 4 p.m. to 8 p.m.
- $2.73 at 4:27 p.m.
- Volume, 4 a.m. to 4 p.m.
- 25.99 million
- Volume after hours, 4 p.m. to 8 p.m.
- 463,975
- Relative volume by 8 p.m.
- 29.2×
- Float
- 757,086 shares, from filings as of September 24, 2026
- Shares outstanding
- 798,390
- Volume, from the one-minute bars: 17.38 million shares before the 9:30 a.m. open (66%), 4.94 million in the first 30 minutes (19%), and 4.14 million in the rest of the day to 8 p.m. (16%).
- Float rotation, the volume since 4 a.m. against the float of 757,086 shares: past it once at 4:05 a.m., twice at 4:13 a.m., three times at 4:16 a.m.
- Other days GCTK met the small-cap rule in our recaps: 3, the latest on October 28, 2026.
On the day's lists: the pre-market gappers, gainers, intraday runners. It is here because it met the small-cap rule on the pre-market gappers: price $2 to $20, up 10% or more, relative volume 5× or more, float under 20 million shares, its high reached $1 or more and it started the day at $20 or under (the rule every page uses).
Halts (none)
The exchange's halt feed shows no halts for GCTK that day.
Halt bands that day: the LULD plan's Amendment 18 rules (what that means, LULD calculator).
How we read the data, name a day's shape and pick the stocks: methodology.
Trade this day
Replay GCTK on September 24, 2026 in Hindsight Markets: the real tape, the order book and the halts, on a clock you control, and see where your orders would have filled.