Hindsight Markets Recaps Small-cap stocks on September 18, 2026
BTCT, September 18: an EFFECT notice and $1.74
BTCT opened near its previous close after an EFFECT notice, then ran to $1.30 during the session.
What happened
Before the open
The news came first: an EFFECT notice at 12:15 a.m. Before the bell it reached $1.74, on 9.8M shares.
The open
It opened near its previous close, at $1.12. It ran to $1.30 by 3:59 p.m.
The close
It closed at $1.27, 27% under its high.
What to take from it: The move came during the session, not at the open.
The details
How it traded, step by step
Intraday run. It opened down 3.4% at $1.12, then ran from the open to the high of $1.30 in 389 minutes.
| Time (ET) | What happened |
|---|---|
| 12:15 a.m. | SEC filing EFFECT: |
| 4:02 a.m. | First trade 20% above the previous close of $1.16 |
| 5:14 a.m. | Pre-market high, $1.74 |
| 5:14 a.m. | High of the day to the close, $1.74 |
| 9:30 a.m. | The open: $1.12, down 3.4% from the previous close |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $1.27, 26.7% 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
- $1.16
- Open, 9:30 a.m.
- $1.12
- Gap at the open
- −3.4%
- Pre-market high
- $1.74 at 5:14 a.m.
- High, 4 a.m. to 4 p.m.
- $1.74 at 5:14 a.m.
- Low, 4 a.m. to 4 p.m.
- $1.00
- Close, 4 p.m.
- $1.27
- Change at 4 p.m.
- +9.9%
- After-hours high, 4 p.m. to 8 p.m.
- $1.30 at 4:40 p.m.
- Volume, 4 a.m. to 4 p.m.
- 14.33 million
- Volume after hours, 4 p.m. to 8 p.m.
- 186,970
- Relative volume by 8 p.m.
- 1.9×
- Float
- 16.96 million shares, from filings as of September 18, 2026
- Shares outstanding
- 16.98 million
- From news to the move: the first trade 20% above the previous close came 3 hours 46 minutes after the latest SEC filing before it (EFFECT, 12:15 a.m.).
- Volume, from the one-minute bars: 9.84 million shares before the 9:30 a.m. open (68%), 1.47 million in the first 30 minutes (10%), and 3.20 million in the rest of the day to 8 p.m. (22%).
- Other days BTCT met the small-cap rule in our recaps: 5, the latest on August 27, 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 BTCT 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 BTCT on September 18, 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.