Hindsight Markets Beta

Hindsight Markets Small-cap stocks on August 19, 2026

TCGX on August 19, 2026: why it ran

Published · By

On August 19, 2026, TCGX opened up 28.1% from the previous close of 14.00 and reached 20.00 at 8:16 a.m. ET. The exchange did not halt it.

Previous close
14.00
Open, 9:30 a.m.
17.93
Gap at the open
up 28.1%
Pre-market high
20.00 at 8:16 a.m.
High, 4 a.m. to 4 p.m.
20.00 at 8:16 a.m.
Low, 4 a.m. to 4 p.m.
13.71
After-hours high, 4 p.m. to 8 p.m.
14.89 at 4:00 p.m.
Last trade before 4:00 p.m.
15.28
Volume
384,356
Relative volume
7.6x
Float
9.15 million shares, from filings as of August 19, 2026
Shares outstanding
11.30 million
Halts
none in the halt feed
20.0014.004 a.m.9:30noon4 p.m.8 p.m.
TCGX on August 19, 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 from the exchange's feed. Dotted line: the previous close.

Why it ran

News and SEC filings for TCGX published between the previous session's close and the first minute TCGX traded 20% above it, at 8:09 a.m. ET, newest first, from the same feeds the replay shows.

No news found before the move.

How it traded

Gap and fade. It gapped up 28.1% to 17.93 at the open and traded below the open by 4:00 p.m., at 15.28.

Time (ET)What happened
8:09 a.m.First trade 20% above the previous close of 14.00
8:16 a.m.Pre-market high, 20.00
8:16 a.m.High of the day to the close, 20.00
9:30 a.m.The open: 17.93, up 28.1% from the previous close
3:59 p.m.Last trade before the 4:00 p.m. close, 15.28, 23.6% below the high

The shape is a fixed rule, not a judgement: gapped 10% or more at the open, ran 10% or more from the open to the high, and faded if it gave back 30% or more of that move by the close.

The day in numbers

Halts

The exchange's halt feed shows no halts for TCGX that day.

On this date the LULD plan ran under Amendment 18, in force from February 24, 2020: no band doubling at the open, and the closing doubling only for Tier 1 stocks and Tier 2 stocks whose previous close was at or below three dollars. See LULD halts or work out a band with the LULD calculator.

Trade this day

Replay TCGX on August 19, 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