Hindsight Markets Small-cap stocks on August 17, 2026

AIFU on August 17, 2026: why it ran

Published October 9, 2026 · By Hindsight Markets

On August 17, 2026, AIFU opened down 3.7% from the previous close of 36.30 and reached 35.57 at 9:19 a.m. ET. The exchange halted it 4 times.

Previous close: 36.30
Open, 9:30 a.m.: 34.97
Gap at the open: down 3.7%
Pre-market high: 35.57 at 9:19 a.m.
High, 4 a.m. to 4 p.m.: 35.57 at 9:19 a.m.
Low, 4 a.m. to 4 p.m.: 14.50
After-hours high, 4 p.m. to 8 p.m.: 19.63 at 7:48 p.m.
Last trade before 4:00 p.m.: 17.60
Volume: 131,507
Relative volume: 20.6x
Float: 1.47 million shares, from filings as of August 17, 2026
Shares outstanding: 6.18 million
Halts: 4

AIFU on August 17, 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 AIFU published between the previous session's close and the open, newest first, from the same feeds the replay shows.

8:00 a.m. ET · 6-K filed with the SEC

REPORT OF FOREIGN PRIVATE ISSUER

How it traded

Time (ET)	What happened
8:00 a.m.	SEC filing 6-K: REPORT OF FOREIGN PRIVATE ISSUER
9:19 a.m.	Pre-market high, 35.57
9:19 a.m.	High of the day to the close, 35.57
9:30 a.m.	The open: 34.97, down 3.7% from the previous close
1:14 p.m.	Halted: LULD pause (limit up-limit down). Trading resumes at 1:19 p.m.
1:22 p.m.	Halted: LULD pause (limit up-limit down). Trading resumes at 1:27 p.m.
1:29 p.m.	Halted: LULD pause (limit up-limit down). Trading resumes at 1:34 p.m.
1:38 p.m.	Halted: LULD pause (limit up-limit down). Trading resumes at 1:43 p.m.
3:59 p.m.	Last trade before the 4:00 p.m. close, 17.60, 50.5% 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

Volume, from the one-minute bars: 5,155 shares before the 9:30 a.m. open (4%), 13,591 in the first 30 minutes (10%), and 112,761 in the rest of the day to 8 p.m. (86%).
The halt at 1:14 p.m.: down 17.2% in the 5 minutes into it, reopened at 17.49, down 1.7% from the last trade before it, then down 14.5% over the next 5 minutes.
The halt at 1:22 p.m.: down 16.0% in the 5 minutes into it, reopened at 14.50, down 3.0% from the last trade before it, then up 4.4% over the next 5 minutes.
The halt at 1:29 p.m.: up 1.3% in the 5 minutes into it, reopened at 18.69, up 23.4% from the last trade before it, then up 6.1% over the next 5 minutes.
The halt at 1:38 p.m.: up 31.0% in the 5 minutes into it, reopened at 20.36, up 2.7% from the last trade before it, then down 14.6% over the next 5 minutes.

Halts

Halted	Resumed	Length	Reason in the feed
1:14 p.m.	1:19 p.m.	5 min 0 s	LULD pause (limit up-limit down)
1:22 p.m.	1:27 p.m.	5 min 0 s	LULD pause (limit up-limit down)
1:29 p.m.	1:34 p.m.	5 min 0 s	LULD pause (limit up-limit down)
1:38 p.m.	1:43 p.m.	5 min 0 s	LULD 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

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