Hindsight Markets Recaps Small-cap stocks on October 16, 2026
CTSO, October 16: three halts and $4.60
CTSO opened near its previous close, then ran to $4.60 through three halts during the session.
What happened
Draft for review. Not published.
A quiet morning
CTSO opened at $3.15, up 5% from the $3.00 previous close. The low of the day, $3.01, came in the first minute.
Then it barely moved. For hours it traded a few dozen shares a minute and drifted between $3.50 and $3.71.
A run and three halts
Volume picked up near 2 p.m. At 2:05 it hit $4.26, up 42%, and was back at $3.86 in the same minute.
The first halt came at 2:06 with the last trade at $3.57. It reopened at $3.50 and fell to $3.15.
Just 21 seconds after that reopen, it halted again at $3.15. It reopened at $3.20.
The third halt, at 2:22, stopped at $3.40. It reopened at $3.56, higher than where it stopped.
The high at $4.60
From $3.33 it climbed back to $4.20 by 3:06. Volume rose again after 3:29.
It hit $4.60 in the 3:41 minute, the high of the day. It touched $4.60 once more at 3:44, then faded.
The 3:47 minute was the heaviest of the day, with 29,853 shares. It closed that minute at $3.87.
The close
A bounce at 3:49 reached $4.40, below the top. The regular session closed at $4.02.
About 218K shares traded by the close, roughly 9% of the float.
What to take from it: After the $4.60 top, the next push stopped lower, at $4.40.
The details
How it traded, step by step
Intraday run. It opened up 4.8% at $3.15, then ran from the open to the high of $4.60 in 371 minutes through 3 halts.
| Time (ET) | What happened |
|---|---|
| 9:29 a.m. | Pre-market high, $3.13 |
| 9:30 a.m. | The open: $3.15, up 4.8% from the previous close |
| 10:58 a.m. | First trade 20% above the previous close of $3.00 |
| 3:41 p.m. | High of the day to the close, $4.60 |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $4.02, 12.6% 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
- $3.00
- Open, 9:30 a.m.
- $3.15
- Gap at the open
- +4.8%
- Pre-market high
- $3.13 at 9:29 a.m.
- High, 4 a.m. to 4 p.m.
- $4.60 at 3:41 p.m.
- Low, 4 a.m. to 4 p.m.
- $3.01
- Close, 4 p.m.
- $4.02
- Change at 4 p.m.
- +34.0%
- After-hours high, 4 p.m. to 8 p.m.
- $4.30 at 5:58 p.m.
- Volume, 4 a.m. to 4 p.m.
- 219,427
- Volume after hours, 4 p.m. to 8 p.m.
- 33,812
- Relative volume by 8 p.m.
- n/m
- Float
- 2.39 million shares, from filings as of October 16, 2026
- Shares outstanding
- 3.15 million
- Volume, from the one-minute bars: 1,138 shares before the 9:30 a.m. open (0%), 1,745 in the first 30 minutes (1%), and 250,356 in the rest of the day to 8 p.m. (99%).
- In our recaps, this is the only day CTSO met the small-cap rule.
On the day's lists: the intraday runners. 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 (3)
| Halted | Resumed | Length | The 5 minutes into it | Reopened at, against the last trade | The 5 minutes after | Reason in the feed |
|---|---|---|---|---|---|---|
| 2:06 p.m. | 2:11 p.m. | 5 min 0 s | down 7.0% | $3.50, down 2.0% | LULD pause (limit up-limit down) | |
| 2:12 p.m. | 2:17 p.m. | 5 min 0 s | down 11.8% | $3.20, up 1.6% | up 4.7% | LULD pause (limit up-limit down) |
| 2:22 p.m. | 2:27 p.m. | 5 min 0 s | up 6.3% | $3.56, up 4.7% | down 2.2% | LULD pause (limit up-limit down) |
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 CTSO on October 16, 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.