Hindsight Markets Beta

Hindsight Markets Recaps Small-cap stocks on September 28, 2026

BYSI, September 28: a run to $1.14

Published · By

BYSI opened near its previous close, then ran to $1.14 during the session.

$1.31$0.77724 a.m.9:30noon4 p.m.8 p.m.
BYSI on September 28, 2026, one-minute bars, New York time. Bands: halts. Flags: the news or filing before the move. Dotted line: the previous close. Shaded: before the 9:30 a.m. open and after the 4:00 p.m. close.

What happened

Before the open

We found no news or filing before the move. Before the bell it reached $0.7776, on 1K shares.

The open

It opened near its previous close, at $0.751. It ran to $1.14 by 3:54 p.m.

The close

It closed at $1.13, near 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 $0.751, then ran from the open to the high of $1.14 in 384 minutes.

Time (ET)What happened
8:45 a.m.Pre-market high, $0.7776
9:30 a.m.The open: $0.751, down 3.4% from the previous close
12:35 p.m.First trade 20% above the previous close of $0.7772
3:54 p.m.High of the day to the close, $1.14
3:59 p.m.Last trade before the 4:00 p.m. close, $1.13, 0.9% 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
$0.7772
Open, 9:30 a.m.
$0.751
Gap at the open
−3.4%
Pre-market high
$0.7776 at 8:45 a.m.
High, 4 a.m. to 4 p.m.
$1.14 at 3:54 p.m.
Low, 4 a.m. to 4 p.m.
$0.751
Close, 4 p.m.
$1.13
Change at 4 p.m.
+45.4%
After-hours high, 4 p.m. to 8 p.m.
$1.31 at 4:02 p.m.
Volume, 4 a.m. to 4 p.m.
1.29 million
Volume after hours, 4 p.m. to 8 p.m.
2.18 million
Relative volume by 8 p.m.
128.9×
Float
36.64 million shares, from filings as of September 28, 2026
Shares outstanding
41.12 million
  • Volume, from the one-minute bars: 1,340 shares before the 9:30 a.m. open (0%), 1,213 in the first 30 minutes (0%), and 3.47 million in the rest of the day to 8 p.m. (100%).
  • Other days BYSI met the small-cap rule in our recaps: 1, the latest on August 13, 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 BYSI 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 BYSI on September 28, 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.

Trade this day Log in