Hindsight Markets Recaps Small-cap stocks on September 15, 2026
MYSZ, September 15: $3.31 at 4:07 a.m., then a fade and a $2.31 close
MYSZ opened up 43% and held near that level into the close.
What happened
Pre-market spike
The news came the day before: a plan to grow by buying defense-tech firms. MYSZ closed that day at $1.66. Its float is only 641K shares.
Stop It's 4:05 a.m. MYSZ is at $2.48. About 205,000 shares have traded since 4:00, roughly a third of the float. Would you buy here?
Press play: the real Level 2, tape and chart run from 4:02 a.m. and stop at 4:05 a.m. ET for your call.
It ran to $3.14 within the 4:05 minute. The high was $3.31 at 4:07 a.m., 99% above the prior close. By 4:09 it was back at $2.76.
Open and the $3.08 wall
By the bell the spike had faded. It opened at $2.37, 28% below the high. A 42K-share sell wall sat at $3.08, far above the price. The stock topped at $2.53, and the wall was pulled at 9:51:56.
It slipped to $2.31 by 9:56.
Stop It's 9:57. MYSZ is at $2.31, down from $2.53 at 9:34. Would you buy this dip?
Press play: the real Level 2, tape and chart run from 9:54 a.m. and stop at 9:57 a.m. ET for your call.
Lower lows, late close
The dip kept going. A 41K-share sell order swept it to $2.18 at 9:59:56, and it hit $2.07 by 10:15. The low after the open was $1.84 at 2:59 p.m. A late push lifted it to a $2.31 close, 30% under the high.
What to take from it: On this day the biggest move was over before the open, and every later push stopped lower.
Replay MYSZ's day
It starts at 11:22 a.m. ET with the real Level 2, time and sales and chart, from the same feed the replay plays, stops at 11:25 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
Gap and hold. It gapped up 42.8% to $2.37 at the open and held near or above it, trading at $2.31 at 4:00 p.m.
| Time (ET) | What happened | Watch it |
|---|---|---|
| 4:00 a.m. | First trade 20% above the previous close of $1.66 | |
| 4:07 a.m. | Pre-market high, $3.31 | |
| 4:07 a.m. | Volume since 4:00 a.m. passes the whole float, 640,742 shares | |
| 4:07 a.m. | High of the day to the close, $3.31 | |
| 9:30 a.m. | The open: $2.37, up 42.8% from the previous close | |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, $2.31, 30.2% 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
- $1.66
- Open, 9:30 a.m.
- $2.37
- Gap at the open
- +42.8%
- Pre-market high
- $3.31 at 4:07 a.m.
- High, 4 a.m. to 4 p.m.
- $3.31 at 4:07 a.m.
- Low, 4 a.m. to 4 p.m.
- $1.84
- Close, 4 p.m.
- $2.31
- Change at 4 p.m.
- +39.2%
- After-hours high, 4 p.m. to 8 p.m.
- $2.53 at 5:13 p.m.
- Volume, 4 a.m. to 4 p.m.
- 13.40 million
- Volume after hours, 4 p.m. to 8 p.m.
- 344,733
- Relative volume by 8 p.m.
- 42.5×
- Float
- 640,742 shares, from filings as of September 15, 2026
- Shares outstanding
- 640,742
- Volume, from the one-minute bars: 9.04 million shares before the 9:30 a.m. open (66%), 1.15 million in the first 30 minutes (8%), and 3.56 million in the rest of the day to 8 p.m. (26%).
- Float rotation, the volume since 4 a.m. against the float of 640,742 shares: past it once at 4:07 a.m., twice at 4:10 a.m., three times at 4:15 a.m.
- Other days MYSZ met the small-cap rule in our recaps: 2, the latest on September 16, 2026.
On the day's lists: the pre-market gappers, gainers, intraday runners. It is here because it met the small-cap rule on the pre-market gappers: 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 MYSZ 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 MYSZ on September 15, 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.