Hindsight Markets Recaps Small-cap stocks on September 3, 2026
BIAF, September 3: a gap that held
BIAF opened up 35% and held near that level into the close.
What happened
Before the open
We found no news or filing before the move. Before the bell it reached $14.60, on 3.6M shares.
The open
It opened up 35%, at $13.19.
The close
It closed at $12.70, 13% under its high.
What to take from it: The gap was the move. After the open it went sideways.
The details
How it traded, step by step
Gap and hold. It gapped up 35.3% to $13.19 at the open and held near or above it, trading at $12.70 at 4:00 p.m.
| Time (ET) | What happened |
|---|---|
| 5:02 a.m. | First trade 20% above the previous close of $9.75 |
| 5:41 a.m. | Volume since 4:00 a.m. passes the whole float, 584,227 shares |
| 7:00 a.m. | Pre-market high, $14.60 |
| 7:00 a.m. | High of the day to the close, $14.60 |
| 9:30 a.m. | The open: $13.19, up 35.3% from the previous close |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $12.70, 13.0% 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
- $9.75
- Open, 9:30 a.m.
- $13.19
- Gap at the open
- +35.3%
- Pre-market high
- $14.60 at 7:00 a.m.
- High, 4 a.m. to 4 p.m.
- $14.60 at 7:00 a.m.
- Low, 4 a.m. to 4 p.m.
- $9.80
- Close, 4 p.m.
- $12.70
- Change at 4 p.m.
- +30.3%
- After-hours high, 4 p.m. to 8 p.m.
- $12.78 at 4:00 p.m.
- Volume, 4 a.m. to 4 p.m.
- 8.75 million
- Volume after hours, 4 p.m. to 8 p.m.
- 411,779
- Relative volume by 8 p.m.
- 4.3×
- Float
- 584,227 shares, from filings as of September 3, 2026
- Shares outstanding
- 592,327
- Volume, from the one-minute bars: 3.60 million shares before the 9:30 a.m. open (39%), 1.50 million in the first 30 minutes (16%), and 4.06 million in the rest of the day to 8 p.m. (44%).
- Float rotation, the volume since 4 a.m. against the float of 584,227 shares: past it once at 5:41 a.m., twice at 6:10 a.m., three times at 7:00 a.m.
- Other days BIAF met the small-cap rule in our recaps: 7, the latest on October 8, 2026.
On the day's lists: the pre-market gappers, intraday runners. It is here because it met the small-cap rule on the pre-market gappers: 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 BIAF 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 BIAF on September 3, 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.