Hindsight Markets Recaps Small-cap stocks on September 17, 2026
CPOP, September 17: a run to $3.72
CPOP opened near its previous close, then ran to $3.72 during the session.
What happened
Before the open
We found no news or filing before the move. Before the bell it reached $3.40, on 562 shares.
The open
It opened near its previous close, at $3.13. It ran to $3.72 by 3:59 p.m.
The close
It closed at $3.68, near its high.
What to take from it: The move came during the session, not at the open.
The details
How it traded, step by step
Intraday run. It opened up 0.0% at $3.13, then ran from the open to the high of $3.72 in 389 minutes.
| Time (ET) | What happened |
|---|---|
| 5:09 a.m. | Pre-market high, $3.40 |
| 9:30 a.m. | The open: $3.13, up 0.0% from the previous close |
| 3:59 p.m. | High of the day to the close, $3.72 |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $3.68, 1.1% below the high |
| 4:00 p.m. | First trade 20% above the previous close of $3.13 |
| 4:45 p.m. | Volume since 4:00 a.m. passes the whole float, 628,324 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
- $3.13
- Open, 9:30 a.m.
- $3.13
- Gap at the open
- +0.0%
- Pre-market high
- $3.40 at 5:09 a.m.
- High, 4 a.m. to 4 p.m.
- $3.72 at 3:59 p.m.
- Low, 4 a.m. to 4 p.m.
- $3.05
- Close, 4 p.m.
- $3.68
- Change at 4 p.m.
- +17.6%
- After-hours high, 4 p.m. to 8 p.m.
- $4.93 at 7:58 p.m.
- Volume, 4 a.m. to 4 p.m.
- 44,877
- Volume after hours, 4 p.m. to 8 p.m.
- 962,365
- Relative volume by 8 p.m.
- 34.3×
- Float
- 628,324 shares, from filings as of September 17, 2026
- Shares outstanding
- 937,977
- Volume, from the one-minute bars: 562 shares before the 9:30 a.m. open (0%), 1,534 in the first 30 minutes (0%), and 1.01 million in the rest of the day to 8 p.m. (100%).
- Float rotation, the volume since 4 a.m. against the float of 628,324 shares: past it once at 4:45 p.m.
- Other days CPOP met the small-cap rule in our recaps: 1, the latest on September 18, 2026.
- The next session, September 18, 2026, it was up 12.5% from its previous close at the 4:00 p.m. close.
On the day's lists: the intraday runners, after-hours movers. It is here because it met the small-cap rule on the intraday runners: 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 CPOP 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 CPOP on September 17, 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.