Hindsight Markets Small-cap stocks on September 8, 2026
ARBE on September 8, 2026: why it ran
On September 8, 2026, ARBE opened up 29.9% from the previous close of 0.6355 and reached 1.02 at 7:49 a.m. ET. The exchange did not halt it.
- Previous close
- 0.6355
- Open, 9:30 a.m.
- 0.8255
- Gap at the open
- up 29.9%
- Pre-market high
- 1.02 at 7:49 a.m.
- High, 4 a.m. to 4 p.m.
- 1.02 at 7:49 a.m.
- Low, 4 a.m. to 4 p.m.
- 0.6593
- After-hours high, 4 p.m. to 8 p.m.
- 0.8100 at 5:05 p.m.
- Last trade before 4:00 p.m.
- 0.7432
- Volume
- 42.30 million
- Relative volume
- 127.0x
- Float
- 117.56 million shares, from filings as of September 8, 2026
- Shares outstanding
- 127.40 million
- Halts
- none in the halt feed
Why it ran
News and SEC filings for ARBE published between the previous session's close and the first minute ARBE traded 20% above it, at 6:08 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 29.9% to 0.8255 at the open and traded below the open by 4:00 p.m., at 0.7432.
| Time (ET) | What happened |
|---|---|
| 6:08 a.m. | First trade 20% above the previous close of 0.6355 |
| 7:49 a.m. | Pre-market high, 1.02 |
| 7:49 a.m. | High of the day to the close, 1.02 |
| 9:30 a.m. | The open: 0.8255, up 29.9% from the previous close |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, 0.7432, 27.1% 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: 29.19 million shares before the 9:30 a.m. open (69%), 3.30 million in the first 30 minutes (8%), and 9.81 million in the rest of the day to 8 p.m. (23%).
Halts
The exchange's halt feed shows no halts for ARBE 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 ARBE on September 8, 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.