Hindsight Markets Recaps Small-cap stocks on October 27, 2026
ULBI, October 27: a quiet day, then $17.10 after the close
ULBI barely moved in the regular session after news, then ran to $17.10 after the close.
News via Stock News API
What happened
A day with almost no trading
ULBI opened at $6.04, close to the $6.01 previous close.
Stop It's 9:30. ULBI is at $6.04, the open of the first minute, close to the $6.01 previous close. It is a small company with a 10M-share float, and yesterday only 15,290 shares traded all day. Would you buy here?
Press play: the real Level 2, tape and chart run from 9:27 a.m. and stop at 9:30 a.m. ET for your call.
It moved between $6.01 and $6.37 in thin trading. 6,765 shares traded from 9:30 to 4:00, in a stock with a 10M-share float. The prior day's volume was 15,290 shares. The high of the regular session, $6.37, came in the 3:59 p.m. minute.
The headline at 4:15
The last regular-session bar, at 4:00 p.m., closed at $6.36. At 4:15 GlobeNewsWire ran: “EnerSys to Acquire Ultralife Corporation in a $320 Million All-Cash Transaction.” In that minute it hit $17.10, the high of the day, up 169% from $6.36, and about 25,000 shares traded.
It came off the high right away: the 4:15 minute closed at $15.38. For the next three hours it traded in a tight range around $15.50. At 4:31 Business Wire ran a second headline, and the stock was at $15.53 at the start of that minute.
Where the volume was
After hours, 688,063 shares traded, about 100 times the regular session. The last bar, at 7:59 p.m., closed at $15.56.
What to take from it: On ULBI, the regular session was quiet and the big move came after the close. After the 4:15 p.m. headline it went from $6.36 to $17.10 in a minute.
Replay ULBI's day
It starts at 9:26 a.m. ET with the real Level 2, time and sales and chart, from the same feed the replay plays, stops at 9:29 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
After-hours run. It opened up 0.5% at $6.04 and traded at $6.28 at the 4:00 p.m. close, then ran 172.3% from $6.28 to $17.10 at 4:15 p.m. after the close, on 688,063 shares traded after hours.
| Time (ET) | What happened | Watch it |
|---|---|---|
| 9:30 a.m. | The open: $6.04, up 0.5% from the previous close | |
| 3:59 p.m. | High of the day to the close, $6.37 | |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $6.28, 1.4% below the high | |
| 4:15 p.m. | News (GlobeNewsWire): EnerSys to Acquire Ultralife Corporation in a $320 Million All-Cash Transaction | |
| 4:15 p.m. | First trade 20% above the previous close of $6.01 |
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
- $6.01
- Open, 9:30 a.m.
- $6.04
- Gap at the open
- +0.5%
- Pre-market high
- not available
- High, 4 a.m. to 4 p.m.
- $6.37 at 3:59 p.m.
- Low, 4 a.m. to 4 p.m.
- $6.01
- Close, 4 p.m.
- $6.28
- Change at 4 p.m.
- +4.5%
- After-hours high, 4 p.m. to 8 p.m.
- $17.10 at 4:15 p.m.
- Volume, 4 a.m. to 4 p.m.
- 6,765
- Volume after hours, 4 p.m. to 8 p.m.
- 688,063
- Relative volume by 8 p.m.
- 46.2×
- Float
- 10.10 million shares, from filings as of October 27, 2026
- Shares outstanding
- 16.66 million
- 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, 4:15 p.m.).
- Volume, from the one-minute bars: 0 shares before the 9:30 a.m. open (0%), 97 in the first 30 minutes (0%), and 694,731 in the rest of the day to 8 p.m. (100%).
- Other days ULBI met the small-cap rule in our recaps: 1, the latest on October 28, 2026.
- The next session, October 28, 2026, it was up 145.4% from its previous close at the 4:00 p.m. close.
On the day's lists: the intraday runners, after-hours movers. It is here because it met the small-cap rule on the intraday runners: 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 (none)
The exchange's halt feed shows no halts for ULBI 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 ULBI on October 27, 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.