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Hindsight Markets Recaps Small-cap stocks on September 23, 2026

YMAT, September 23: a quiet morning, one halt, and $1.99

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YMAT opened near its previous close, then ran to $1.99 through one halt during the session.

$1.99$1.32$1.164 a.m.9:30noon4 p.m.8 p.m.
YMAT on September 23, 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

A quiet morning

With no news in the data, YMAT barely moved. It opened at $1.33, a penny above the $1.32 close, and sat at $1.20 by 12:41.

Midday

Stop It's 12:48. YMAT is at $1.41. Seven minutes ago it was $1.20, and the pre-market high was $1.37. Would you buy here?

Press play: the real Level 2, tape and chart run from 12:45 p.m. and stop at 12:48 p.m. ET for your call.

It ran to $1.46 that minute. A volatility halt froze it at 12:49:48 with the last trade at $1.71.

It reopened at 12:59:48 at $1.98, 16% higher, and hit the $1.99 high that minute.

The $1.25 bid

The pop faded fast. By 1:24 a bid of 22K shares sat at $1.25.

Stop It's 1:37. YMAT is at $1.25. A bid wall that peaked at 21,755 shares has been sitting at $1.25 since 1:23. Would you buy here?

Press play: the real Level 2, tape and chart run from 1:34 p.m. and stop at 1:37 p.m. ET for your call.

At 1:37:50 the wall was pulled, after only 9,710 shares traded there. The next minute hit $1.20. It closed at $1.36, 32% below the high.

What to take from it: The reopen and the big bid both looked solid, and neither held.

Replay YMAT's day

It starts at 12:37 p.m. ET with the real Level 2, time and sales and chart, from the same feed the replay plays, stops at 12:40 p.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

Intraday run. It opened up 0.8% at $1.33, then ran from the open to the high of $1.99 in 209 minutes through a halt.

Time (ET)What happenedWatch it
5:00 a.m.Pre-market high, $1.37
9:30 a.m.The open: $1.33, up 0.8% from the previous close
12:49 p.m.First trade 20% above the previous close of $1.32
12:59 p.m.High of the day to the close, $1.99
3:59 p.m.Last trade before the 4:00 p.m. close, $1.27, 36.2% 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
$1.32
Open, 9:30 a.m.
$1.33
Gap at the open
+0.8%
Pre-market high
$1.37 at 5:00 a.m.
High, 4 a.m. to 4 p.m.
$1.99 at 12:59 p.m.
Low, 4 a.m. to 4 p.m.
$1.16
Close, 4 p.m.
$1.27
Change at 4 p.m.
−3.8%
After-hours high, 4 p.m. to 8 p.m.
$1.36 at 4:00 p.m.
Volume, 4 a.m. to 4 p.m.
2.24 million
Volume after hours, 4 p.m. to 8 p.m.
56,733
Relative volume by 8 p.m.
2.3×
Float
2.70 million shares, from filings as of September 23, 2026
Shares outstanding
4.01 million
  • Volume, from the one-minute bars: 1,727 shares before the 9:30 a.m. open (0%), 7,210 in the first 30 minutes (0%), and 2.29 million in the rest of the day to 8 p.m. (100%).
  • Other days YMAT met the small-cap rule in our recaps: 9, the latest on October 26, 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 (1)
HaltedResumedLengthThe 5 minutes into itReopened at, against the last tradeThe 5 minutes afterReason in the feedWatch it
12:49 p.m.12:59 p.m.10 min 0 sup 27.6%$1.98, up 15.8%down 22.7%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 YMAT 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.

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