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Hindsight Markets Small-cap stocks on September 3, 2026

GPRK on September 3, 2026: why it ran

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On September 3, 2026, GPRK opened up 8.6% from the previous close of 11.69 and reached 13.13 at 9:32 a.m. ET. The exchange did not halt it.

Previous close
11.69
Open, 9:30 a.m.
12.69
Gap at the open
up 8.6%
Pre-market high
12.85 at 9:28 a.m.
High, 4 a.m. to 4 p.m.
13.13 at 9:32 a.m.
Low, 4 a.m. to 4 p.m.
11.52
After-hours high, 4 p.m. to 8 p.m.
12.04 at 4:31 p.m.
Last trade before 4:00 p.m.
11.91
Volume
1.92 million
Relative volume
7.4x
Float
17.49 million shares, from filings as of September 3, 2026
Shares outstanding
51.75 million
Halts
none in the halt feed
13.1311.6911.524 a.m.9:30noon4 p.m.8 p.m.
GPRK on September 3, 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 GPRK published between the previous session's close and the open, newest first, from the same feeds the replay shows.

  1. September 2, 2026, 9:30 p.m. ET · Business Wire

    GeoPark Announces Major Strategic Entry Into Venezuela

News via Stock News API

How it traded

Time (ET)What happened
Sep 2, 9:30 p.m.News (Business Wire): GeoPark Announces Major Strategic Entry Into Venezuela
9:28 a.m.Pre-market high, 12.85
9:30 a.m.The open: 12.69, up 8.6% from the previous close
9:32 a.m.High of the day to the close, 13.13
3:59 p.m.Last trade before the 4:00 p.m. close, 11.91, 9.3% 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 GPRK 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 GPRK on September 3, 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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