Hindsight Markets Small-cap stocks on September 3, 2026
BIAF on September 3, 2026: why it ran
On September 3, 2026, BIAF opened up 35.3% from the previous close of 9.75 and reached 14.60 at 7:00 a.m. ET. The exchange did not halt it.
- Previous close
- 9.75
- Open, 9:30 a.m.
- 13.19
- Gap at the open
- up 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
- After-hours high, 4 p.m. to 8 p.m.
- 12.78 at 4:00 p.m.
- Last trade before 4:00 p.m.
- 12.70
- Volume
- 9.16 million
- Relative volume
- 4.3x
- Float
- 584,227 shares, from filings as of September 3, 2026
- Shares outstanding
- 592,327
- Halts
- none in the halt feed
Why it ran
News and SEC filings for BIAF published between the previous session's close and the first minute BIAF traded 20% above it, at 5:02 a.m. ET, newest first, from the same feeds the replay shows.
No news found before the move.
How it traded
Gap and fade. It gapped up 35.3% to 13.19 at the open and traded below the open by 4:00 p.m., at 12.70.
| 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 is a fixed rule, not a judgement: gapped 10% or more at the open, ran 10% or more from the open to the high, and faded if it gave back 30% or more of that move by the close.
The day in numbers
- 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.
Halts
The exchange's halt feed shows no halts for BIAF that day.
On this date the LULD plan ran under Amendment 18, in force from February 24, 2020: no band doubling at the open, and the closing doubling only for Tier 1 stocks and Tier 2 stocks whose previous close was at or below three dollars. See LULD halts or work out a band with the LULD calculator.
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.