Hindsight Markets Small-cap stocks on September 29, 2026
MTNB on September 29, 2026: why it ran
On September 29, 2026, MTNB opened down 1.6% from the previous close of 2.51 and reached 3.45 at 4:01 a.m. ET. The exchange did not halt it.
- Previous close
- 2.51
- Open, 9:30 a.m.
- 2.47
- Gap at the open
- down 1.6%
- Pre-market high
- 3.45 at 4:01 a.m.
- High, 4 a.m. to 4 p.m.
- 3.45 at 4:01 a.m.
- Low, 4 a.m. to 4 p.m.
- 2.40
- After-hours high, 4 p.m. to 8 p.m.
- 3.04 at 4:11 p.m.
- Last trade before 4:00 p.m.
- 2.81
- Volume
- 229,838
- Relative volume
- 10.6x
- Float
- 979,013 shares, from filings as of September 29, 2026
- Shares outstanding
- 979,520
- Halts
- none in the halt feed
Why it ran
News and SEC filings for MTNB published between the previous session's close and the first minute MTNB traded 20% above it, at 4:01 a.m. ET, newest first, from the same feeds the replay shows.
No news found before the move.
How it traded
Intraday run. It opened down 1.6% at 2.47, then ran from the open to the high of 3.04 in 304 minutes.
| Time (ET) | What happened |
|---|---|
| 4:01 a.m. | First trade 20% above the previous close of 2.51 |
| 4:01 a.m. | Pre-market high, 3.45 |
| 4:01 a.m. | High of the day to the close, 3.45 |
| 9:30 a.m. | The open: 2.47, down 1.6% from the previous close |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, 2.81, 18.6% 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: 39,080 shares before the 9:30 a.m. open (17%), 12,337 in the first 30 minutes (5%), and 178,421 in the rest of the day to 8 p.m. (78%).
Halts
The exchange's halt feed shows no halts for MTNB 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 MTNB on September 29, 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.