6691 TAI Week ended 14 Aug 2026

Weekly Investor Report

Yankey Engineering Co., Ltd. · Industrials · Engineering & Construction

Latest close 728.0 TWD
-1.0% latest week
Weekly setup

Constructive, but selective

The weekly trend is active. Price is 11.0% above the Trend Line and sits at 73.9% of its 52-week range. The latest completed week returned -1.0%, after a 3.4% four-week move. Near-term considerations: volume confirmation is below normal.

Setup score 56 out of 100
Latest Close 728.0 TWD 14 Aug 2026
1W Return -1.0% latest completed week
4W Return 3.4% short-term follow-through
12W Return 15.9% quarterly tape
Trend Breadth 100.0% 52 of 52 weeks active
Volume Ratio 0.6x vs 13-week average
What is working
  • The trend backdrop is active with a 55-week active streak.
  • Price is above the Trend Line, keeping the weekly tape constructive.
  • Price is above Fair Value, showing premium demand versus the model.
  • Next-week expectancy is positive at 56.58% based on similar historical setup states.
What could go wrong
  • Activity pressure is negative, which weakens the current setup.
  • 1 reversal markers appear in the recent smart-money tape.
What to watch next
  • Trend Line remains the key weekly regime level.
  • Activity pressure is the gauge to monitor for confirmation or fade.
  • A volume ratio above 1.5x would show stronger participation in the next move.
01 · Price action

Where price is—and whether the trend supports it

The weekly trend is active. Price is 11.0% above the Trend Line and sits at 73.9% of its 52-week range. The latest completed week returned -1.0%, after a 3.4% four-week move.

Study the full chart

52-week price path

Price vs Trend Line and Fair Value
Price Trend Line Fair Value
02 · Volume and demand

Is real participation confirming the move?

Latest weekly volume is 0.6x the 13-week average. Participation is below its recent norm, so price strength is not receiving full volume confirmation.

26-week volume confirmation

Bar height shows volume; colour shows the weekly price direction
13 Feb 27 Feb 6 Mar 13 Mar 20 Mar 27 Mar 3 Apr 10 Apr 17 Apr 24 Apr 1 May 8 May 15 May 22 May 29 May 5 Jun 12 Jun 19 Jun 26 Jun 3 Jul 10 Jul 17 Jul 24 Jul 31 Jul 7 Aug 14 Aug
Up week Down week
Demand beneath price

Activity pressure and institutional-style signals

These indicators assess whether participation is improving beneath the headline price move. They are supporting evidence, not proof of institutional buying.

Activity pressure path

Latest 0.8312-week average 0.83

12-week confirmation

Trend active12/12Active trend-backdrop weeks in the latest 12-week window.
Positive pressure8/12Weeks with constructive activity pressure in the latest 12-week window.
Positive leadership1/12Weeks with positive relative leadership in the latest 12-week window.
Activity pressure0.83Current proprietary activity-pressure read.
Buy signals0Accumulation signal count in the latest 12 weeks.
Reversal markers11 reversal markers

No recent accumulation markers. 1 reversal markers.

03 · Momentum and leadership

Is performance persistent—and is the stock leading?

Performance is 3.4% over four weeks, 15.9% over 12 weeks, and 55.2% over one year. The current trend has remained active for 55 consecutive weeks.

Performance by holding period

1W-1.0%
4W3.4%
12W15.9%
26W23.4%
52W55.2%
Active trend streak55 weeks
Active weeks in one year52
Trend breadth100.0%

Activity pressure vs relative leadership

Activity pressureRelative leadership
Pressure-0.09Latest activity-pressure read.
Pressure change-107.9%Four-week change in activity pressure.
Leadership-9.08Latest relative-leadership reading.
RS change-37.7%Four-week change in relative leadership.
04 · Fundamentals and valuation

What investors are paying for—and the quality behind it

A published fundamentals and factor snapshot is not available for this company.

Open full factor analysis

No published fundamental snapshot is available for this company.

05 · Ownership, options, and sentiment

What other market participants are doing

Options, insider transactions, market sentiment, and activity-pressure signals can confirm or challenge the price story. None should be used alone.

Insider activity-

No recent insider transactions are stored for this company.

News sentiment-

No current sentiment snapshot is stored.

Patient CapitalQuiet

Activity-pressure buy-signal evidence highlights potential institutional accumulation windows.

No recent buy signal
06 · Catalysts and risk

What can move the shares—and how volatile the path has been

Event timing, options-implied movement, drawdown, and weekly return distribution frame the risk around the current setup.

Next earnings-No event is currently stored.
Options expected move-Nearest-chain priced movement where available.
52-week drawdown-12.7%Distance below the 52-week high.
13-week volatility6.1%Standard deviation of weekly returns.

Weekly gains and losses

Latest 26 completed weeks

Each bar is one week. Gains rise above the zero line; losses fall below it. Taller bars mean a larger weekly move.

Weeks higher12 of 2613 weeks finished lower.
Best week+14.0%Week of 27 Feb.
Worst week-8.8%Week of 31 Jul.
Latest week-1.0%Week of 14 Aug.

Shape of recent returns

Strong gains7
Modest gains5
Flat weeks1
Modest losses8
Sharp losses5
Recent vol6.1%13-week weekly-return volatility.
Base vol6.2%52-week weekly-return volatility.
Up/down split25/26Count of positive and negative weeks in the 52-week window.
Average skew5.7% / -3.4%Average positive week versus average negative week.
07 · Sector and peer context

Is this stock leading—or simply moving with its group?

Sector and industry breadth distinguish company-specific strength from a broad group move.

08 · Evidence and weekly data

The underlying research record

Every top-level statement above should be traceable to a stored market, fundamental, event, or positioning observation.

WeekCloseReturnTrend LineFair ValuePressureLeadershipVolumeTrend
14 Aug 2026728.0 TWD-1.0%655.9 TWD381.6 TWD-0.09-9.082.1MOn
7 Aug 2026735.0 TWD13.1%651.1 TWD378.1 TWD0.03-5.293.5MOn
31 Jul 2026650.0 TWD-8.8%645.0 TWD374.6 TWD0.08-14.273.7MOn
24 Jul 2026713.0 TWD1.3%642.2 TWD371.6 TWD0.64-7.412.5MOn
17 Jul 2026704.0 TWD-0.6%638.5 TWD368.3 TWD1.09-6.594.0MOn
10 Jul 2026708.0 TWD-7.1%635.5 TWD364.9 TWD1.31-11.700On
3 Jul 2026762.0 TWD-3.9%628.4 TWD361.4 TWD1.39-7.947.4MOn
26 Jun 2026793.0 TWD10.1%619.8 TWD357.5 TWD0.780.585.8MOn
19 Jun 2026720.0 TWD4.5%608.3 TWD353.4 TWD0.27-12.255.7MOn
12 Jun 2026689.0 TWD7.3%598.9 TWD349.7 TWD-0.22-11.725.3MOn
5 Jun 2026642.0 TWD-1.2%591.2 TWD346.2 TWD-0.55-19.402.5MOn
29 May 2026650.0 TWD3.5%585.2 TWD343.0 TWD-0.40-18.033.7MOn
22 May 2026628.0 TWD0.0%578.2 TWD339.8 TWD-0.50-16.411.6MOn
15 May 2026628.0 TWD-4.0%572.5 TWD336.6 TWD-0.26-14.382.0MOn
How to use this report

This is a completed-week research summary. It explains the available evidence and its conflicts; it does not predict a guaranteed outcome or replace your own risk assessment. Fundamental figures may refer to an earlier financial reporting period, which is shown above.

Evidence context