Hindsight Markets Recaps Small-cap stocks on September 29, 2026
SDEV, September 29: a run to $3.91
SDEV opened near its previous close, then ran to $3.91 during the session.
What happened
Before the open
We found no news or filing before the move. Before the bell it reached $1.70, on 429K shares.
The open
It opened near its previous close, at $1.64. It ran to $3.91 by 12:46 p.m.
The close
It closed at $3.29, 16% under 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 4.5% at $1.64, then ran from the open to the high of $3.91 in 196 minutes.
| Time (ET) | What happened |
|---|---|
| 4:00 a.m. | Pre-market high, $1.70 |
| 9:30 a.m. | The open: $1.64, up 4.5% from the previous close |
| 9:45 a.m. | First trade 20% above the previous close of $1.57 |
| 11:38 a.m. | Volume since 4:00 a.m. passes the whole float, 29.08 million shares |
| 12:46 p.m. | High of the day to the close, $3.91 |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $3.29, 15.9% 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
- $1.57
- Open, 9:30 a.m.
- $1.64
- Gap at the open
- +4.5%
- Pre-market high
- $1.70 at 4:00 a.m.
- High, 4 a.m. to 4 p.m.
- $3.91 at 12:46 p.m.
- Low, 4 a.m. to 4 p.m.
- $1.60
- Close, 4 p.m.
- $3.29
- Change at 4 p.m.
- +109.6%
- After-hours high, 4 p.m. to 8 p.m.
- $3.43 at 4:00 p.m.
- Volume, 4 a.m. to 4 p.m.
- 79.58 million
- Volume after hours, 4 p.m. to 8 p.m.
- 7.91 million
- Relative volume by 8 p.m.
- 73.3×
- Float
- 29.08 million shares, from filings as of September 29, 2026
- Shares outstanding
- 51.75 million
- Volume, from the one-minute bars: 428,799 shares before the 9:30 a.m. open (0%), 1.69 million in the first 30 minutes (2%), and 85.37 million in the rest of the day to 8 p.m. (98%).
- Float rotation, the volume since 4 a.m. against the float of 29.08 million shares: past it once at 11:38 a.m., twice at 1:08 p.m., three times at 7:10 p.m.
- Other days SDEV met the small-cap rule in our recaps: 11, the latest on October 27, 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 SDEV 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 SDEV on September 29, 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.