Hindsight Markets Small-cap stocks on September 23, 2026
ONCO on September 23, 2026: why it ran
On September 23, 2026, ONCO opened down 0.5% from the previous close of 0.6831 and reached 1.15 at 3:24 p.m. ET. The exchange halted it 2 times.
- Previous close
- 0.6831
- Open, 9:30 a.m.
- 0.6796
- Gap at the open
- down 0.5%
- Pre-market high
- 0.6824 at 7:23 a.m.
- High, 4 a.m. to 4 p.m.
- 1.15 at 3:24 p.m.
- Low, 4 a.m. to 4 p.m.
- 0.6513
- After-hours high, 4 p.m. to 8 p.m.
- 0.9155 at 4:00 p.m.
- Last trade before 4:00 p.m.
- 0.9143
- Volume
- 11.33 million
- Relative volume
- 47.1x
- Float
- 4.38 million shares, from filings as of September 23, 2026
- Shares outstanding
- 4.38 million
Replay ONCO's day
It starts at 2:49 p.m. ET with the real Level 2, time and sales and chart, from the same feed the replay plays, stops at 2:52 p.m. and asks what you would do. Or press Play on any moment in How it traded.
The day, step by step
- Small cap
- Momentum
- Main move: the afternoon
- No news in our data
- Round-number break
- Halted twice
- Bid wall eaten
- Float traded 2x
A quiet start
ONCO closed the day before at $0.68. On the 23rd, almost nothing traded early. The pre-market high was $0.68 at 7:23 a.m. Just 5,588 shares traded before the bell.
It opened at $0.68. Our data shows no headline for the day, so the run that followed came with no news we can point to.
The afternoon run
The stock sat near its previous close until the afternoon. Then, from $0.67 at 2:51 p.m., it ran to $0.88 at 3:02 p.m., up 30%.
Stop It's 3:07. ONCO is at $0.94, against a $0.68 previous close. It ran hard over the last few minutes, and $1.00 is just above. Would you buy here?
Press play: the real Level 2, time and sales and chart stop at 3:07 p.m. ET for your call, then show what happened. The clip starts at 3:04 p.m. ET.
At 3:07 it traded through $1.00 for the first time. From $0.76 at 3:04 p.m. it ran to $1.01 at 3:07 p.m., up 33%. At 3:07:48 it was halted (a volatility pause) with the last trade at $1.01.
The reopen and the swings above $1.00
It reopened at 3:12:48 at $0.91, 10% below where it stopped. The first print was one trade of 126,977 shares at $0.909. It fell to $0.81 at 3:12 p.m., down 20% from $1.01.
Then it swung hard. From $0.83 at 3:13 p.m. it ran to $1.05 at 3:14 p.m., up 27%. It fell to $0.84 at 3:15 p.m., down 20% from $1.05. From $0.85 at 3:16 p.m. it ran to $1.10 at 3:20 p.m., up 30%. By the end of the 3:20 p.m. minute, more shares had traded than exist in the whole float (4.38 million).
From 3:23 p.m. on, a large bid sat at exactly $1.07. By then the stock was trading near $1.10, so the bid sat just under the price.
Stop It's 3:24. ONCO is at $1.09. A large bid has been building at $1.07, just below, since 3:23. Would you buy here?
Press play: the real Level 2, time and sales and chart stop at 3:24 p.m. ET for your call, then show what happened. The clip starts at 3:21 p.m. ET.
From $1.00 at 3:21 p.m. it ran to $1.15, the high of the day, at 3:24 p.m. The next minute it dipped to $0.97.
The bid peaked at 109,894 shares at 3:24 p.m., about 2.5% of the float. From 3:24:44 to 3:24:56, 126,125 shares traded at exactly $1.07 in 11.9 seconds and the wall was gone. It wasn't pulled. Sellers hit it.
The second halt and the drop
The selling kept going. At 3:26:44 one sell order took 41,512 shares from $1.00 down to $0.97 across 39 price levels. Three seconds later another sold 47,508 shares from $0.9664 to $0.95.
At 3:26:51 an ask wall appeared at $0.92. By 3:27:01 it held 312,275 shares, about 7% of the float. At 3:27 p.m. it was halted (a volatility pause) with the last trade at $0.92.
It reopened at 3:32 p.m. at $0.90, 2% below where it stopped. The first print was 98,098 shares at $0.90. From there it fell to $0.72 at 3:37 p.m., down 38% from $1.15.
The rest of the day
It came back once more. A bid built at $0.90 from 3:58 p.m. and peaked at 115,513 shares at 3:59 p.m. At 3:59 p.m. it pushed to $0.95, a lower high under the $1.15 top.
It closed at $0.91, up 34% on the day.
For the regular session to the close, 9.92 million shares traded: the float changed hands about 2 times, at 47 times its normal volume. Another 1.40 million traded after hours.
What to take from it
- A halt can reopen lower than it stopped. The 3:07 p.m. halt stopped at $1.01 and reopened at $0.91.
- Buying right at a reopen can cost more than the screen says. At 3:12:49 the screen showed $0.89 with 59 shares, and 5,000 shares averaged $0.93.
- After the top, the next push stopped lower, and about half of the move was gone by the close. $1.15 at 3:24 p.m., then $0.95 at 3:59 p.m. It closed at $0.91, 20% below the high.
Why it ran
News and SEC filings for ONCO published between the previous session's close and the first minute ONCO traded 20% above it, at 3:02 p.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 0.5% at 0.6796, then ran from the open to the high of 1.15 in 354 minutes through a halt.
| Time (ET) | What happened | Watch it |
|---|---|---|
| 7:23 a.m. | Pre-market high, 0.6824 | |
| 9:30 a.m. | The open: 0.6796, down 0.5% from the previous close | |
| 3:02 p.m. | First trade 20% above the previous close of 0.6831 | |
| 3:07 p.m. | Halted: LULD pause (limit up-limit down). Trading resumes at 3:12 p.m. | |
| 3:20 p.m. | Volume since 4:00 a.m. passes the whole float, 4.38 million shares | |
| 3:24 p.m. | High of the day to the close, 1.15 | |
| 3:27 p.m. | Halted: LULD pause (limit up-limit down). Trading resumes at 3:32 p.m. | |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, 0.9143, 20.5% 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
- Volume, from the one-minute bars: 5,588 shares before the 9:30 a.m. open (0%), 5,802 in the first 30 minutes (0%), and 11.31 million in the rest of the day to 8 p.m. (100%).
- Float rotation, the volume since 4 a.m. against the float of 4.38 million shares: past it once at 3:20 p.m., twice at 3:44 p.m.
- The halt at 3:07 p.m.: up 18.8% in the 5 minutes into it, reopened at 0.9090, down 10.0% from the last trade before it, then down 4.0% over the next 5 minutes.
- The halt at 3:27 p.m.: down 17.9% in the 5 minutes into it, reopened at 0.9000, down 2.2% from the last trade before it, then down 16.7% over the next 5 minutes.
- Other days ONCO met the small-cap rule in our recaps: 2, the latest on September 28, 2026.
Halts
| Halted | Resumed | Length | Reason in the feed |
|---|---|---|---|
| 3:07 p.m. | 3:12 p.m. | 5 min 0 s | LULD pause (limit up-limit down) |
| 3:27 p.m. | 3:32 p.m. | 5 min 0 s | LULD pause (limit up-limit down) |
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 ONCO on September 23, 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.