Hindsight Markets Recaps Small-cap stocks on August 21, 2026
ZJK, August 21: a run to $2.65
ZJK opened near its previous close, then ran to $2.65 during the session.
What happened
Before the open
We found no news or filing before the move.
The open
It opened near its previous close, at $1.84. It ran to $2.65 by 11:06 a.m.
The close
It closed at $2.22, 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 0.0% at $1.84, then ran from the open to the high of $2.65 in 96 minutes.
| Time (ET) | What happened |
|---|---|
| 9:30 a.m. | The open: $1.84, up 0.0% from the previous close |
| 10:44 a.m. | First trade 20% above the previous close of $1.84 |
| 11:06 a.m. | High of the day to the close, $2.65 |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $2.22, 16.2% 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
- $1.84
- Open, 9:30 a.m.
- $1.84
- Gap at the open
- +0.0%
- Pre-market high
- not available
- High, 4 a.m. to 4 p.m.
- $2.65 at 11:06 a.m.
- Low, 4 a.m. to 4 p.m.
- $1.83
- Close, 4 p.m.
- $2.22
- Change at 4 p.m.
- +20.7%
- After-hours high, 4 p.m. to 8 p.m.
- $2.59 at 7:57 p.m.
- Volume, 4 a.m. to 4 p.m.
- 857,672
- Volume after hours, 4 p.m. to 8 p.m.
- 30,986
- Relative volume by 8 p.m.
- n/m
- Float
- 11.33 million shares, from filings as of August 21, 2026
- Shares outstanding
- 64.32 million
- Volume, from the one-minute bars: 0 shares before the 9:30 a.m. open (0%), 6,081 in the first 30 minutes (1%), and 882,577 in the rest of the day to 8 p.m. (99%).
- Other days ZJK met the small-cap rule in our recaps: 1, the latest on August 24, 2026.
- The next session, August 24, 2026, it was up 11.6% from its previous close at the 4:00 p.m. close.
On the day's lists: the gainers, intraday runners, after-hours movers. 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 ZJK 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 ZJK on August 21, 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.