Hindsight Markets Recaps Small-cap stocks on August 19, 2026
RDAC, August 19: 11 halts and $22.51
RDAC more than doubled at the open, ran to $22.51 through eleven halts, then fell below its open by the close.
What happened
Draft for review. Not published.
A huge pre-market run
RDAC ran hard before the bell, from $5.81 at 4:42 a.m. to $21.26 by 5:22. 5.67M shares traded pre-market, more than the 3.44M float.
Halts on the way up
It opened at $13.40 and was halted three times in 15 minutes. The first two reopens came back higher.
Stop It's 9:51. RDAC last traded at $20.69 and is halted for the third time. It has run from a $13.40 open, and trading resumes in seconds. Would you buy the reopen?
Press play: the real Level 2, tape and chart run from 9:48 a.m. and stop at 9:51 a.m. ET for your call.
It reopened at 9:51:55 at $20.69. A minute later it hit $22.51, the day's high.
Bids pulled, halts lower
On the way down, large bids appeared and left. One at $10.60 was pulled at 11:07:39 without trading. At 11:12:01 it was halted at $16.23.
Stop It's 11:17. RDAC has been halted since 11:12. The last trade was $16.23, and trading resumes in seconds. Would you buy the reopen?
Press play: the real Level 2, tape and chart run from 11:14 a.m. and stop at 11:17 a.m. ET for your call.
It reopened at $16.23 and fell to $15.05 that minute. It closed at $9.44, 58% below the high.
What to take from it: On this day, the reopens cost far more than the screen showed, and most of the run was gone by the close.
Replay RDAC's day
It starts at 9:27 a.m. ET with the real Level 2, time and sales and chart, from the same feed the replay plays, stops at 9:30 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
Gap, run and fade. It gapped up 129.1% to $13.40 at the open, ran from the open to the high of $22.51 in 22 minutes through 3 halts, then gave back 143% of that move by 4:00 p.m., trading at $9.44, below the open.
| Time (ET) | What happened | Watch it |
|---|---|---|
| 4:39 a.m. | First trade 20% above the previous close of $5.85 | |
| 5:22 a.m. | Pre-market high, $21.26 | |
| 6:03 a.m. | Volume since 4:00 a.m. passes the whole float, 3.44 million shares | |
| 9:30 a.m. | The open: $13.40, up 129.1% from the previous close | |
| 9:52 a.m. | High of the day to the close, $22.51 | |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $9.44, 58.1% 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
- $5.85
- Open, 9:30 a.m.
- $13.40
- Gap at the open
- +129.1%
- Pre-market high
- $21.26 at 5:22 a.m.
- High, 4 a.m. to 4 p.m.
- $22.51 at 9:52 a.m.
- Low, 4 a.m. to 4 p.m.
- $5.81
- Close, 4 p.m.
- $9.44
- Change at 4 p.m.
- +61.4%
- After-hours high, 4 p.m. to 8 p.m.
- $11.74 at 5:23 p.m.
- Volume, 4 a.m. to 4 p.m.
- 11.33 million
- Volume after hours, 4 p.m. to 8 p.m.
- 310,307
- Relative volume by 8 p.m.
- n/m
- Float
- 3.44 million shares, from filings as of August 19, 2026
- Shares outstanding
- 3.44 million
- Volume, from the one-minute bars: 5.67 million shares before the 9:30 a.m. open (49%), 1.12 million in the first 30 minutes (10%), and 4.85 million in the rest of the day to 8 p.m. (42%).
- Float rotation, the volume since 4 a.m. against the float of 3.44 million shares: past it once at 6:03 a.m., twice at 10:03 a.m., three times at 12:23 p.m.
- Other days RDAC met the small-cap rule in our recaps: 2, the latest on November 3, 2026.
On the day's lists: the pre-market gappers, gainers, intraday runners. It is here because it met the small-cap rule on the pre-market gappers: 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 (11)
| Halted | Resumed | Length | The 5 minutes into it | Reopened at, against the last trade | The 5 minutes after | Reason in the feed | Watch it |
|---|---|---|---|---|---|---|---|
| 9:32 a.m. | 9:37 a.m. | 5 min 0 s | up 7.0% | $15.12, up 3.4% | up 19.9% | LULD pause (limit up-limit down) | |
| 9:40 a.m. | 9:45 a.m. | 5 min 0 s | up 24.0% | $18.13, unchanged | up 14.1% | LULD pause (limit up-limit down) | |
| 9:46 a.m. | 9:51 a.m. | 5 min 0 s | up 14.1% | $20.69, unchanged | down 9.1% | LULD pause (limit up-limit down) | |
| 9:53 a.m. | 10:03 a.m. | 10 min 0 s | down 9.1% | $18.00, down 4.3% | up 8.7% | LULD pause (limit up-limit down) | |
| 10:09 a.m. | 10:14 a.m. | 5 min 0 s | down 5.9% | $17.00, down 2.5% | down 5.9% | LULD pause (limit up-limit down) | |
| 10:17 a.m. | 10:22 a.m. | 5 min 0 s | down 8.3% | $15.51, down 3.1% | down 7.6% | LULD pause (limit up-limit down) | |
| 10:23 a.m. | 10:28 a.m. | 5 min 0 s | down 10.4% | $14.33, unchanged | LULD pause (limit up-limit down) | ||
| 10:28 a.m. | 10:33 a.m. | 5 min 0 s | down 10.0% | $12.51, down 3.0% | up 16.5% | LULD pause (limit up-limit down) | |
| 11:12 a.m. | 11:17 a.m. | 5 min 0 s | down 11.9% | $16.20, down 0.2% | down 7.7% | LULD pause (limit up-limit down) | |
| 12:03 p.m. | 12:13 p.m. | 10 min 0 s | down 12.3% | $11.31, down 3.1% | down 2.7% | LULD pause (limit up-limit down) | |
| 12:26 p.m. | 12:31 p.m. | 5 min 0 s | up 7.4% | $11.06, up 1.2% | up 2.5% | 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 RDAC on August 19, 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.