Hindsight Markets Recaps Small-cap stocks on October 6, 2026
SDEV, October 6: one halt and $5.57
SDEV opened down 12%, then ran to $4.43 through one halt during the session.
What happened
Before the open
We found no news or filing before the move. Before the bell it reached $5.57, on 15M shares.
The open
It opened down 12%, at $3.48. It ran to $4.43 by 11:39 a.m.
The halts
Trading stopped once, at 11:28 a.m.
The close
It closed at $3.33, 40% 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 down 11.7% at $3.48, then ran from the open to the high of $4.43 in 129 minutes through a halt.
| Time (ET) | What happened |
|---|---|
| 4:30 a.m. | First trade 20% above the previous close of $3.94 |
| 4:47 a.m. | Pre-market high, $5.57 |
| 4:47 a.m. | High of the day to the close, $5.57 |
| 9:30 a.m. | The open: $3.48, down 11.7% from the previous close |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $3.33, 40.2% 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
- $3.94
- Open, 9:30 a.m.
- $3.48
- Gap at the open
- −11.7%
- Pre-market high
- $5.57 at 4:47 a.m.
- High, 4 a.m. to 4 p.m.
- $5.57 at 4:47 a.m.
- Low, 4 a.m. to 4 p.m.
- $3.04
- Close, 4 p.m.
- $3.33
- Change at 4 p.m.
- −15.5%
- After-hours high, 4 p.m. to 8 p.m.
- $3.54 at 7:07 p.m.
- Volume, 4 a.m. to 4 p.m.
- 27.70 million
- Volume after hours, 4 p.m. to 8 p.m.
- 1.08 million
- Relative volume by 8 p.m.
- 2.1×
- Float
- 29.08 million shares, from filings as of October 6, 2026
- Shares outstanding
- 51.75 million
- Volume, from the one-minute bars: 14.84 million shares before the 9:30 a.m. open (52%), 1.60 million in the first 30 minutes (6%), and 12.35 million in the rest of the day to 8 p.m. (43%).
- 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 (1)
| Halted | Resumed | Length | The 5 minutes into it | Reopened at, against the last trade | The 5 minutes after | Reason in the feed |
|---|---|---|---|---|---|---|
| 11:28 a.m. | 11:33 a.m. | 5 min 0 s | up 19.8% | $4.18, unchanged | up 1.9% | 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 SDEV on October 6, 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.