Hindsight Markets Recaps Small-cap stocks on October 12, 2026
CTNM, October 12: a run to $18.89
CTNM opened down 26%, ran to $11.54, then fell below its open by the close.
What happened
Before the open
We found no news or filing before the move. Before the bell it reached $18.89, on 1M shares.
The open
It opened down 26%, at $9.90. It ran to $11.54 by 9:39 a.m.
The close
It closed at $8.56, 55% under its high.
What to take from it: The run did not hold: it finished below where it opened.
The details
How it traded, step by step
Intraday run and fade. It opened down 26.0% at $9.90, then ran from the open to the high of $11.54 in 9 minutes, and gave it all back: it traded at $8.56 at 4:00 p.m., below the open.
| Time (ET) | What happened |
|---|---|
| 6:52 a.m. | First trade 20% above the previous close of $13.38 |
| 6:58 a.m. | Pre-market high, $18.89 |
| 6:58 a.m. | High of the day to the close, $18.89 |
| 9:30 a.m. | The open: $9.90, down 26.0% from the previous close |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $8.56, 54.7% 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
- $13.38
- Open, 9:30 a.m.
- $9.90
- Gap at the open
- −26.0%
- Pre-market high
- $18.89 at 6:58 a.m.
- High, 4 a.m. to 4 p.m.
- $18.89 at 6:58 a.m.
- Low, 4 a.m. to 4 p.m.
- $8.43
- Close, 4 p.m.
- $8.56
- Change at 4 p.m.
- −36.0%
- After-hours high, 4 p.m. to 8 p.m.
- $9.00 at 4:07 p.m.
- Volume, 4 a.m. to 4 p.m.
- 4.32 million
- Volume after hours, 4 p.m. to 8 p.m.
- 145,554
- Relative volume by 8 p.m.
- 10.0×
- Float
- 30.14 million shares, from filings as of October 12, 2026
- Shares outstanding
- 37.62 million
- Volume, from the one-minute bars: 1.04 million shares before the 9:30 a.m. open (23%), 469,940 in the first 30 minutes (11%), and 2.95 million in the rest of the day to 8 p.m. (66%).
- In our recaps, this is the only day CTNM met the small-cap rule.
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 CTNM 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 CTNM on October 12, 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.