Hindsight Markets Recaps Small-cap stocks on October 20, 2026
GMEX, October 20: news and a pre-market spike to $1.83
GMEX spiked to $1.83 before the open after news, then gave much of it back in the session.
News via Stock News API
What happened
Before the open
The news came first: news at 8:30 a.m. Before the bell it reached $1.83, on 5.9M shares.
The open
It opened down 24%, at $1.00.
The close
It closed at $0.9296, 49% under its high.
What to take from it: The move happened before the bell. The regular session never got back to the pre-market high.
The details
How it traded, step by step
Pre-market spike. Before the open it spiked 38.6% from $1.32 to $1.83 at 8:35 a.m.. It opened down 24.2% at $1.00 and traded at $0.9296 at 4:00 p.m.
| Time (ET) | What happened |
|---|---|
| 8:30 a.m. | News (GlobeNewsWire): GMEX Robotics Announces MediaMeta's U.S. AI-Powered Autonomous Grooming Project and Patent Filing |
| 8:30 a.m. | First trade 20% above the previous close of $1.32 |
| 8:34 a.m. | Volume since 4:00 a.m. passes the whole float, 752,226 shares |
| 8:35 a.m. | Pre-market high, $1.83 |
| 8:35 a.m. | High of the day to the close, $1.83 |
| 9:30 a.m. | The open: $1.00, down 24.2% from the previous close |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $0.9296, 49.2% 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
- $1.32
- Open, 9:30 a.m.
- $1.00
- Gap at the open
- −24.2%
- Pre-market high
- $1.83 at 8:35 a.m.
- High, 4 a.m. to 4 p.m.
- $1.83 at 8:35 a.m.
- Low, 4 a.m. to 4 p.m.
- $0.78
- Close, 4 p.m.
- $0.9296
- Change at 4 p.m.
- −29.6%
- After-hours high, 4 p.m. to 8 p.m.
- $1.00 at 5:20 p.m.
- Volume, 4 a.m. to 4 p.m.
- 6.81 million
- Volume after hours, 4 p.m. to 8 p.m.
- 142,118
- Relative volume by 8 p.m.
- 30.4×
- Float
- 752,226 shares, from filings as of October 20, 2026
- Shares outstanding
- 752,439
- 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 (GlobeNewsWire, 8:30 a.m.).
- Volume, from the one-minute bars: 5.89 million shares before the 9:30 a.m. open (85%), 394,062 in the first 30 minutes (6%), and 662,665 in the rest of the day to 8 p.m. (10%).
- Float rotation, the volume since 4 a.m. against the float of 752,226 shares: past it once at 8:34 a.m., twice at 8:35 a.m., three times at 8:36 a.m.
- Other days GMEX met the small-cap rule in our recaps: 3, the latest on November 2, 2026.
On the day's lists: the intraday runners. It is here because it was in play on the intraday runners: up 30% or more on $3 million or more really traded, outside the small-cap rule's price, relative volume or float, 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 GMEX 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 GMEX on October 20, 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.