Hindsight Markets Recaps Small-cap stocks on August 19, 2026
GDC, August 19: a run to $3.05
GDC opened near its previous close, then ran to $3.05 during the session.
What happened
Before the open
We found no news or filing before the move. Before the bell it reached $2.20, on 206K shares.
The open
It opened near its previous close, at $1.96. It ran to $3.05 by 11:20 a.m.
The close
It closed at $2.20, 28% 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 4.8% at $1.96, then ran from the open to the high of $3.05 in 110 minutes.
| Time (ET) | What happened |
|---|---|
| 7:53 a.m. | Pre-market high, $2.20 |
| 9:30 a.m. | The open: $1.96, up 4.8% from the previous close |
| 10:26 a.m. | First trade 20% above the previous close of $1.87 |
| 11:20 a.m. | High of the day to the close, $3.05 |
| 11:49 a.m. | Volume since 4:00 a.m. passes the whole float, 4.08 million shares |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $2.20, 27.9% 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
- $1.87
- Open, 9:30 a.m.
- $1.96
- Gap at the open
- +4.8%
- Pre-market high
- $2.20 at 7:53 a.m.
- High, 4 a.m. to 4 p.m.
- $3.05 at 11:20 a.m.
- Low, 4 a.m. to 4 p.m.
- $1.78
- Close, 4 p.m.
- $2.20
- Change at 4 p.m.
- +17.6%
- After-hours high, 4 p.m. to 8 p.m.
- $2.41 at 7:41 p.m.
- Volume, 4 a.m. to 4 p.m.
- 5.30 million
- Volume after hours, 4 p.m. to 8 p.m.
- 77,648
- Relative volume by 8 p.m.
- 49.2×
- Float
- 4.08 million shares, from filings as of August 19, 2026
- Shares outstanding
- 4.16 million
- Volume, from the one-minute bars: 205,869 shares before the 9:30 a.m. open (4%), 35,960 in the first 30 minutes (1%), and 5.13 million in the rest of the day to 8 p.m. (96%).
- Float rotation, the volume since 4 a.m. against the float of 4.08 million shares: past it once at 11:49 a.m.
- Other days GDC met the small-cap rule in our recaps: 3, the latest on September 22, 2026.
On the day's lists: the gainers, intraday runners. It is here because it met the small-cap rule on the gainers: 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 GDC 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 GDC on August 19, 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.