Hindsight Markets Beta

Recaps · September 23, 2026

GCTK, September 23: a quiet day, then $5.46 after hours

Float
757,086 shares
Volume
16.88 million shares
Previous close
$2.47
Open
$2.23 (up 9.7%)
High
$2.46 at 4:06 a.m.
Close
$2.02
5.462.472.004 a.m.9:30noon4 p.m.8 p.m.
GCTK on September 23, 2026, one-minute bars in New York time. Shaded: before the 9:30 a.m. open and after the 4:00 p.m. close. Bands: halts.

Pre-market: thin trading

The previous close was $2.47. The first trades on the 23rd came at 4:03 a.m., at $2.22. That was below the close.

At 4:06 a.m. it printed $2.46, the pre-market high, just under the previous close. It traded at $2.32 at 4:07 and $2.29 at 4:09. Only 4,998 shares traded before the bell, in the whole pre-market.

It then fell to $2.11 at 4:21 a.m., 14% below $2.46. It ran to $2.38 at 4:35 and fell to $2.15 at 4:41. At 4:49 it pushed to $2.42, a lower high under the $2.46 top. After that it mostly sat around $2.16 to $2.34 until the open.

Many minutes had no trades at all. The float is 757,086 shares.

News and filings before the open

At 9:00 a.m. Business Wire ran a headline: “Lōkahi Therapeutics™ and Glucotrack CEO Erik Emerson Provides Strategic Update on LT-100, ai² Platform Growth and Clinical Development Priorities”.

At 9:21 a.m. the company filed an 8-K. At 9:22 it filed a 425. From 9:00 a.m. until the open it traded between $2.21 and $2.28.

The open and the fade

It opened at $2.23, 10% below the previous close. It ran to $2.27 in the 9:32 minute, then drifted down.

At 9:46 the stock dropped to $2.06 on 6,418 shares, the heaviest minute of the morning. It was $2.04 by 9:57 and hit $2.00 at 10:07, the regular-session low so far.

From there until 12:31 it chopped between $2.00 and $2.16. It touched $2.16 at 12:22 and hit $2.00 again at 12:31.

Stop It's 12:32. The price is $2.00. The stock opened at $2.23 and has drifted down most of the day. The low so far is $2.00, set at 10:07. Since then it has chopped between $2.00 and $2.16. It bounced to $2.16 at 12:22, then fell back to $2.00 at 12:31 on 3,280 shares, more than any of the minutes just before it. Volume all day has been thin. Would you buy here?

Press play: the real Level 2, time and sales and chart stop at 12:32 p.m. ET for your call, then show what happened. The clip starts at 12:29 p.m. ET.

It then slid to $2.02 at the close. Regular-session volume was 67,897 shares. Normal volume for this stock is about 64,000 shares a day.

After hours: from $2.03 to $5.46

This is where the day's volume came from. At 4:00 p.m. it traded at $2.03. It stayed between $2.03 and $2.06 until 4:19 p.m.

Then volume exploded. The 4:22 p.m. minute traded 67,585 shares, up to $2.42. The 4:23 minute traded 230,636 and hit $2.99. By 4:25 p.m., more shares had traded than exist in the whole float (757,086).

It kept climbing. It was $3.58 at 4:30, $3.89 at 4:35 and $4.49 at 4:42. At 4:45 p.m. it hit $5.46, the high of the day, up 169% from $2.03 at 4:00. By 4:48, total volume for the day had passed ten times the float.

It could not hold the high. It was $4.14 by 4:54 and a low of $3.77 at 5:02. It bounced to $4.85 at 5:43, then drifted down. By 8 p.m. it was trading around $3.65.

After hours traded 16,804,706 shares. The whole day was 16,877,601, at about 263 times normal volume. Almost all of it came after the close.

What to take from it

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