Hindsight Markets Beta

Hindsight Markets Small-cap stocks on August 18, 2026

IPST on August 18, 2026: why it ran

Published · By

On August 18, 2026, IPST opened up 1.4% from the previous close of 7.39 and reached 25.35 at 1:52 p.m. ET. The exchange halted it 12 times.

Previous close
7.39
Open, 9:30 a.m.
7.49
Gap at the open
up 1.4%
Pre-market high
8.51 at 4:03 a.m.
High, 4 a.m. to 4 p.m.
25.35 at 1:52 p.m.
Low, 4 a.m. to 4 p.m.
6.50
After-hours high, 4 p.m. to 8 p.m.
17.47 at 6:30 p.m.
Last trade before 4:00 p.m.
15.81
Volume
13.25 million
Relative volume
5.2x
Float
696,891 shares, from filings as of August 18, 2026
Shares outstanding
721,578
Halts
12
25.357.394 a.m.9:30noon4 p.m.8 p.m.
IPST on August 18, 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 IPST published between the previous session's close and the first minute IPST traded 20% above it, at 10:04 a.m. ET, newest first, from the same feeds the replay shows.

No news found before the move.

How it traded

Intraday run. It opened up 1.4% at 7.49, then ran from the open to the high of 25.35 in 262 minutes through 10 halts.

Time (ET)What happened
4:03 a.m.Pre-market high, 8.51
9:30 a.m.The open: 7.49, up 1.4% from the previous close
9:59 a.m.Halted: LULD pause (limit up-limit down). Trading resumes at 10:04 a.m.
10:04 a.m.First trade 20% above the previous close of 7.39
10:05 a.m.Halted: LULD pause (limit up-limit down). Trading resumes at 10:10 a.m.
10:10 a.m.Volume since 4:00 a.m. passes the whole float, 696,891 shares
10:13 a.m.Halted: LULD pause (limit up-limit down). Trading resumes at 10:18 a.m.
10:25 a.m.Halted: LULD pause (limit up-limit down). Trading resumes at 10:30 a.m.
10:45 a.m.Halted: LULD pause (limit up-limit down). Trading resumes at 10:50 a.m.
10:54 a.m.Halted: LULD pause (limit up-limit down). Trading resumes at 10:59 a.m.
11:07 a.m.Halted: LULD pause (limit up-limit down). Trading resumes at 11:12 a.m.
11:14 a.m.Halted: LULD pause (limit up-limit down). Trading resumes at 11:19 a.m.
1:25 p.m.Halted: LULD pause (limit up-limit down). Trading resumes at 1:30 p.m.
1:45 p.m.Halted: LULD pause (limit up-limit down). Trading resumes at 1:50 p.m.
1:52 p.m.High of the day to the close, 25.35
1:55 p.m.Halted: LULD pause (limit up-limit down). Trading resumes at 2:00 p.m.
3:10 p.m.Halted: LULD pause (limit up-limit down). Trading resumes at 3:20 p.m.
3:59 p.m.Last trade before the 4:00 p.m. close, 15.81, 37.6% 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

HaltedResumedLengthReason in the feed
9:59 a.m.10:04 a.m.5 min 0 sLULD pause (limit up-limit down)
10:05 a.m.10:10 a.m.5 min 0 sLULD pause (limit up-limit down)
10:13 a.m.10:18 a.m.5 min 0 sLULD pause (limit up-limit down)
10:25 a.m.10:30 a.m.5 min 0 sLULD pause (limit up-limit down)
10:45 a.m.10:50 a.m.5 min 0 sLULD pause (limit up-limit down)
10:54 a.m.10:59 a.m.5 min 0 sLULD pause (limit up-limit down)
11:07 a.m.11:12 a.m.5 min 0 sLULD pause (limit up-limit down)
11:14 a.m.11:19 a.m.5 min 0 sLULD pause (limit up-limit down)
1:25 p.m.1:30 p.m.5 min 0 sLULD pause (limit up-limit down)
1:45 p.m.1:50 p.m.5 min 0 sLULD pause (limit up-limit down)
1:55 p.m.2:00 p.m.5 min 0 sLULD pause (limit up-limit down)
3:10 p.m.3:20 p.m.10 min 0 sLULD pause (limit up-limit down)

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 IPST on August 18, 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