Hindsight Markets Recaps Small-cap stocks on September 21, 2026
CELZ, September 21: an after-hours run to $1.45
CELZ barely moved in the regular session, then ran to $1.45 after the close.
What happened
Before the open
We found no news or filing before the move. Before the bell it reached $0.99, on 3K shares.
The open
It opened near its previous close, at $0.9925.
The close
It closed at $1.01, near its high. After the close it ran to $1.45 by 4:46 p.m.
What to take from it: The day's real move came after the 4 p.m. close, not in the regular session.
The details
How it traded, step by step
After-hours run. It opened up 2.8% at $0.9925 and traded at $1.01 at the 4:00 p.m. close, then ran 43.6% from $1.01 to $1.45 at 4:46 p.m. after the close, on 10.86 million shares traded after hours.
| Time (ET) | What happened |
|---|---|
| 8:52 a.m. | Pre-market high, $0.99 |
| 9:30 a.m. | The open: $0.9925, up 2.8% from the previous close |
| 3:58 p.m. | High of the day to the close, $1.04 |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $1.01, 2.9% below the high |
| 4:01 p.m. | First trade 20% above the previous close of $0.9659 |
| 4:30 p.m. | Volume since 4:00 a.m. passes the whole float, 6.56 million shares |
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
- $0.9659
- Open, 9:30 a.m.
- $0.9925
- Gap at the open
- +2.8%
- Pre-market high
- $0.99 at 8:52 a.m.
- High, 4 a.m. to 4 p.m.
- $1.04 at 3:58 p.m.
- Low, 4 a.m. to 4 p.m.
- $0.912
- Close, 4 p.m.
- $1.01
- Change at 4 p.m.
- +4.6%
- After-hours high, 4 p.m. to 8 p.m.
- $1.45 at 4:46 p.m.
- Volume, 4 a.m. to 4 p.m.
- 97,798
- Volume after hours, 4 p.m. to 8 p.m.
- 10.86 million
- Relative volume by 8 p.m.
- 135.2×
- Float
- 6.56 million shares, from filings as of September 21, 2026
- Shares outstanding
- 6.59 million
- Volume, from the one-minute bars: 2,573 shares before the 9:30 a.m. open (0%), 7,386 in the first 30 minutes (0%), and 10.95 million in the rest of the day to 8 p.m. (100%).
- Float rotation, the volume since 4 a.m. against the float of 6.56 million shares: past it once at 4:30 p.m.
- Other days CELZ met the small-cap rule in our recaps: 4, the latest on August 20, 2026.
On the day's lists: the intraday runners. It is here because it was in play on the intraday runners: up 30% or more on $3 million or more really traded, outside the small-cap rule's price, relative volume or float, 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 CELZ 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 CELZ on September 21, 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.