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Hindsight Markets Small-cap stocks on August 31, 2026

YDDL on August 31, 2026: why it ran

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On August 31, 2026, YDDL opened up 47.2% from the previous close of 1.63 and reached 4.20 at 5:23 a.m. ET. The exchange did not halt it.

Previous close
1.63
Open, 9:30 a.m.
2.40
Gap at the open
up 47.2%
Pre-market high
4.20 at 5:23 a.m.
High, 4 a.m. to 4 p.m.
4.20 at 5:23 a.m.
Low, 4 a.m. to 4 p.m.
2.02
After-hours high, 4 p.m. to 8 p.m.
2.30 at 5:18 p.m.
Last trade before 4:00 p.m.
2.24
Volume
18.19 million
Relative volume
200.2x
Float
22.02 million shares, from filings as of August 31, 2026
Shares outstanding
56.03 million
Halts
none in the halt feed
4.201.631.924 a.m.9:30noon4 p.m.8 p.m.
YDDL on August 31, 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 YDDL published between the previous session's close and the first minute YDDL traded 20% above it, at 4:00 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 47.2% to 2.40 at the open and traded below the open by 4:00 p.m., at 2.24.

Time (ET)What happened
4:00 a.m.First trade 20% above the previous close of 1.63
5:23 a.m.Pre-market high, 4.20
5:23 a.m.High of the day to the close, 4.20
9:30 a.m.The open: 2.40, up 47.2% from the previous close
3:59 p.m.Last trade before the 4:00 p.m. close, 2.24, 46.7% 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 YDDL 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 YDDL on August 31, 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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