Hindsight Markets Small-cap stocks on August 3, 2026
GNPX on August 3, 2026: why it ran
On August 3, 2026, GNPX opened down 15.9% from the previous close of 5.99 and reached 8.00 at 7:00 a.m. ET. The exchange did not halt it.
- Previous close
- 5.99
- Open, 9:30 a.m.
- 5.04
- Gap at the open
- down 15.9%
- Pre-market high
- 8.00 at 7:00 a.m.
- High, 4 a.m. to 4 p.m.
- 8.00 at 7:00 a.m.
- Low, 4 a.m. to 4 p.m.
- 3.85
- After-hours high, 4 p.m. to 8 p.m.
- 6.26 at 4:29 p.m.
- Last trade before 4:00 p.m.
- 4.76
- Volume
- 1.66 million
- Relative volume
- 78.8x
- Float
- 503,946 shares, from filings as of August 3, 2026
- Shares outstanding
- 504,935
- Halts
- none in the halt feed
Why it ran
News and SEC filings for GNPX published between the previous session's close and the first minute GNPX traded 20% above it, at 7:00 a.m. ET, newest first, from the same feeds the replay shows.
-
Genprex Announces Collaboration with Roche Diagnostics for Biomarker Assay Validation Studies
News via Stock News API
How it traded
| Time (ET) | What happened |
|---|---|
| 7:00 a.m. | News (PRNewsWire): Genprex Announces Collaboration with Roche Diagnostics for Biomarker Assay Validation Studies |
| 7:00 a.m. | First trade 20% above the previous close of 5.99 |
| 7:00 a.m. | Pre-market high, 8.00 |
| 7:00 a.m. | High of the day to the close, 8.00 |
| 7:20 a.m. | Volume since 4:00 a.m. passes the whole float, 503,946 shares |
| 9:30 a.m. | The open: 5.04, down 15.9% from the previous close |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, 4.76, 40.5% 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
- From news to the move: the first trade 20% above the previous close came less than a minute after the latest news item before it (PRNewsWire, 7:00 a.m.).
- Volume, from the one-minute bars: 1.08 million shares before the 9:30 a.m. open (65%), 27,626 in the first 30 minutes (2%), and 545,767 in the rest of the day to 8 p.m. (33%).
- Float rotation, the volume since 4 a.m. against the float of 503,946 shares: past it once at 7:20 a.m., twice at 7:42 a.m., three times at 4:35 p.m.
- Other days GNPX met the small-cap rule in our recaps: 2, the latest on September 23, 2026.
Halts
The exchange's halt feed shows no halts for GNPX 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 GNPX on August 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.