Hindsight Markets Recaps Small-cap stocks on September 11, 2026
PRTS, September 11: a run to $9.82
PRTS opened near its previous close, then ran to $9.82 during the session.
What happened
Before the open
We found no news or filing before the move. Before the bell it reached $9.18, on 2K shares.
The open
It opened near its previous close, at $8.83. It ran to $9.82 by 11:08 a.m.
The close
It closed at $9.28, 5% 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 1.6% at $8.83, then ran from the open to the high of $9.82 in 98 minutes.
| Time (ET) | What happened |
|---|---|
| 5:14 a.m. | Pre-market high, $9.18 |
| 9:30 a.m. | The open: $8.83, up 1.6% from the previous close |
| 11:08 a.m. | High of the day to the close, $9.82 |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $9.28, 5.5% 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
- $8.69
- Open, 9:30 a.m.
- $8.83
- Gap at the open
- +1.6%
- Pre-market high
- $9.18 at 5:14 a.m.
- High, 4 a.m. to 4 p.m.
- $9.82 at 11:08 a.m.
- Low, 4 a.m. to 4 p.m.
- $8.83
- Close, 4 p.m.
- $9.28
- Change at 4 p.m.
- +6.8%
- After-hours high, 4 p.m. to 8 p.m.
- $9.73 at 5:51 p.m.
- Volume, 4 a.m. to 4 p.m.
- 190,126
- Volume after hours, 4 p.m. to 8 p.m.
- 2,474
- Relative volume by 8 p.m.
- 5.4×
- Float
- 7.68 million shares, from filings as of September 11, 2026
- Shares outstanding
- 8.07 million
- Volume, from the one-minute bars: 2,072 shares before the 9:30 a.m. open (1%), 53,549 in the first 30 minutes (28%), and 136,979 in the rest of the day to 8 p.m. (71%).
- In our recaps, this is the only day PRTS 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 (none)
The exchange's halt feed shows no halts for PRTS 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 PRTS on September 11, 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.