Hindsight Markets Recaps Small-cap stocks on August 17, 2026
GRNQ, August 17: $11.65 at 5:31 a.m., a crash to $5.36, and one halt
GRNQ opened down 27%, then ran to $10.32 through one halt during the session.
What happened
A pre-market spike
GRNQ closed at $7.70 the day before. On the 17th it spiked before dawn, with no news on the feed.
It hit $11.65 at 5:31 a.m. Fifteen minutes later it was down at $5.36. Most of the 107K pre-market shares traded in those first 20 minutes.
The halt
It opened at $5.60 and climbed in small steps. At 10:03 one minute ran from $6.40 to $7.64. By 10:24 it was near $8.10.
At 10:32:50 it was paused, last trade $8.18.
Stop It's 10:37. GRNQ has been halted since 10:32:50, after its last trade at $8.18. It's a thin stock with a tiny float. Would you buy when it reopens?
Press play: the real Level 2, tape and chart run from 10:34 a.m. and stop at 10:37 a.m. ET for your call.
It reopened at 10:37:50 at $8.50, 4% higher.
The reopen did not hold. By 10:38 it was down to $7.75.
A thin climb to the close
The afternoon rise came on very few shares. It worked from $7.91 at 11:19 to $9.50 at 12:32, a minute that traded just 3 shares.
It pushed to $10.33 at 3:54, still below the $11.65 top. It closed at $10.25, up 33%. Only 21K shares traded in regular hours.
What to take from it: On a stock this thin, the screen price at a reopen was not the price a real order paid.
Replay GRNQ's day
It starts at 9:50 a.m. ET with the real Level 2, time and sales and chart, from the same feed the replay plays, stops at 9:53 a.m. and asks what you would do. Or press Play on any moment in How it traded.
The details
How it traded, step by step
Intraday run. It opened down 27.3% at $5.60, then ran from the open to the high of $10.32 in 384 minutes through a halt.
| Time (ET) | What happened | Watch it |
|---|---|---|
| 5:29 a.m. | First trade 20% above the previous close of $7.70 | |
| 5:31 a.m. | Pre-market high, $11.65 | |
| 5:31 a.m. | High of the day to the close, $11.65 | |
| 9:30 a.m. | The open: $5.60, down 27.3% from the previous close | |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $10.25, 12.0% 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
- $7.70
- Open, 9:30 a.m.
- $5.60
- Gap at the open
- −27.3%
- Pre-market high
- $11.65 at 5:31 a.m.
- High, 4 a.m. to 4 p.m.
- $11.65 at 5:31 a.m.
- Low, 4 a.m. to 4 p.m.
- $5.36
- Close, 4 p.m.
- $10.25
- Change at 4 p.m.
- +33.1%
- After-hours high, 4 p.m. to 8 p.m.
- $10.66 at 4:00 p.m.
- Volume, 4 a.m. to 4 p.m.
- 128,231
- Volume after hours, 4 p.m. to 8 p.m.
- 1,198
- Relative volume by 8 p.m.
- n/m
- Float
- 1.13 million shares, from filings as of August 17, 2026
- Shares outstanding
- 1.81 million
- Volume, from the one-minute bars: 107,463 shares before the 9:30 a.m. open (83%), 3,505 in the first 30 minutes (3%), and 18,461 in the rest of the day to 8 p.m. (14%).
- Other days GRNQ met the small-cap rule in our recaps: 1, the latest on September 4, 2026.
On the day's lists: the gainers. It is here because it met the small-cap rule on the gainers: price $2 to $20, up 10% or more, relative volume 5× or more, float under 20 million shares, its high reached $1 or more and it started the day at $20 or under (the rule every page uses).
Halts (1)
| Halted | Resumed | Length | The 5 minutes into it | Reopened at, against the last trade | The 5 minutes after | Reason in the feed | Watch it |
|---|---|---|---|---|---|---|---|
| 10:32 a.m. | 10:37 a.m. | 5 min 0 s | up 6.8% | $8.50, up 3.9% | down 7.4% | LULD pause (limit up-limit down) |
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 GRNQ on August 17, 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.