- Price is above Fair Value, showing premium demand versus the model.
- Activity pressure is constructive, supporting the smart-money activity read.
5519
TAI
Week ended 14 Aug 2026
Weekly Investor Report
LongDa Construction & Development Corporation · Industrials · Engineering & Construction
Latest close
27.75 TWD
-0.7%
latest week
Weekly setup
Weak trend
The weekly trend is not active. Price is -1.4% below the Trend Line and sits at 62.2% of its 52-week range. The latest completed week returned -0.7%, after a -0.9% four-week move. Near-term considerations: volume confirmation is below normal.
Setup score
36
out of 100
Latest Close
27.75 TWD
14 Aug 2026
1W Return
-0.7%
latest completed week
4W Return
-0.9%
short-term follow-through
12W Return
-0.8%
quarterly tape
Trend Breadth
61.5%
32 of 52 weeks active
Volume Ratio
0.5x
vs 13-week average
- The trend backdrop is inactive, so price action has not confirmed a constructive regime.
- Price is below the Trend Line, which keeps downside pressure in focus.
- Activity pressure is negative, which weakens the current setup.
- 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.
Price follow-through
-0.7%
Latest completed week; four-week move -0.9%.
Indicator stack
34/4
Trend and activity pressure are weighted against the latest 12-week confirmation window.
Trend backdrop
Active
The trend backdrop defines the current weekly regime.
Patient Capital
Quiet
Activity-pressure buy-signal status for institutional accumulation timing.
01 · Price action
Study the full chart
Where price is—and whether the trend supports it
The weekly trend is not active. Price is -1.4% below the Trend Line and sits at 62.2% of its 52-week range. The latest completed week returned -0.7%, after a -0.9% four-week move.
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 0.5x 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 0.7212-week average 0.67
12-week confirmation
Trend active10/12Active trend-backdrop weeks in the latest 12-week window.
Positive pressure5/12Weeks with constructive activity pressure in the latest 12-week window.
Positive leadership0/12Weeks with positive relative leadership in the latest 12-week window.
Activity pressure0.72Current proprietary activity-pressure read.
Buy signals0Accumulation signal count in the latest 12 weeks.
Reversal markers0No reversal markers
No recent accumulation markers. No reversal markers.
03 · Momentum and leadership
Is performance persistent—and is the stock leading?
Performance is -0.9% over four weeks, -0.8% over 12 weeks, and 15.3% over one year. The current trend has remained active for 0 consecutive weeks.
Performance by holding period
Active trend streak0 weeks
Active weeks in one year32
Trend breadth61.5%
Activity pressure vs relative leadership
Activity pressureRelative leadership
Pressure-1.03Latest activity-pressure read.
Pressure change-342.7%Four-week change in activity pressure.
Leadership-27.09Latest relative-leadership reading.
RS change-13.7%Four-week change in relative leadership.
04 · Fundamentals and valuation
Open full factor analysis
What investors are paying for—and the quality behind it
A published fundamentals and factor snapshot is not available for this company.
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-8.9%Distance below the 52-week high.
13-week volatility2.4%Standard deviation of weekly returns.
Weekly gains and losses
Latest 26 completed weeksEach bar is one week. Gains rise above the zero line; losses fall below it. Taller bars mean a larger weekly move.
13 Feb
20 Mar
17 Apr
15 May
12 Jun
10 Jul
14 Aug
Weeks higher13 of 2612 weeks finished lower.
Best week+5.5%Week of 12 Jun.
Worst week-5.1%Week of 17 Jul.
Latest week-0.7%Week of 14 Aug.
Shape of recent returns
Strong gains2
Modest gains11
Flat weeks1
Modest losses11
Sharp losses1
Recent vol2.4%13-week weekly-return volatility.
Base vol2.8%52-week weekly-return volatility.
Up/down split24/27Count of positive and negative weeks in the 52-week window.
Average skew2.6% / -1.7%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.
SectorTW Industrials
4-week rank- / 100
Group average5.2%
Trend breadth55.0%
Trend55.0%active weekly trend signals
MD40.0%positive activity pressure
RS20.0%positive relative leadership
Four-week leaders
IndustryTW Engineering & Construction
4-week rank29 / 46
Group average0.2%
Trend breadth32.6%
Trend32.6%active weekly trend signals
MD52.2%positive activity pressure
RS4.3%positive relative leadership
Four-week leaders
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.
Weekly tape34/100
Trend, activity pressure, participation, and risk combine to a 34/100 tape read.
Indicator analysis51/100Latest 12-week confirmation: trend 10/12, activity pressure 5/12, relative leadership 0/12.
Activity pressure 0.72; No reversal markers Factors50/100No published factor snapshot is available yet.
Patient CapitalQuietActivity-pressure buy-signal evidence highlights potential institutional accumulation windows.
No recent buy signal Sentiment50/100No sentiment snapshot is stored yet.
Insiders50/100No recent insider transaction evidence is stored.
Earnings50/100No stored earnings event is currently attached to this ticker.
| Week | Close | Return | Trend Line | Fair Value | Pressure | Leadership | Volume | Trend |
|---|---|---|---|---|---|---|---|---|
| 14 Aug 2026 | 27.75 TWD | -0.7% | 28.16 TWD | 27.22 TWD | -1.03 | -27.09 | 1.5M | Off |
| 7 Aug 2026 | 27.95 TWD | -0.9% | 28.18 TWD | 27.15 TWD | -0.78 | -24.62 | 1.0M | Off |
| 31 Jul 2026 | 28.20 TWD | 0.2% | 28.19 TWD | 27.08 TWD | -0.24 | -22.61 | 1.9M | On |
| 24 Jul 2026 | 28.15 TWD | 0.5% | 28.22 TWD | 27.00 TWD | 0.15 | -24.41 | 1.9M | On |
| 17 Jul 2026 | 28.00 TWD | -5.1% | 28.23 TWD | 26.93 TWD | 0.42 | -23.82 | 4.2M | On |
| 10 Jul 2026 | 29.51 TWD | -0.3% | 28.21 TWD | 26.87 TWD | 0.61 | -25.18 | 5.4M | On |
| 3 Jul 2026 | 29.60 TWD | 1.6% | 28.14 TWD | 26.79 TWD | 0.49 | -28.02 | 2.8M | On |
| 26 Jun 2026 | 29.12 TWD | -1.3% | 28.10 TWD | 26.71 TWD | 0.20 | -26.48 | 3.7M | On |
| 19 Jun 2026 | 29.51 TWD | -0.1% | 28.01 TWD | 26.63 TWD | -0.07 | -29.32 | 3.2M | On |
| 12 Jun 2026 | 29.55 TWD | 5.5% | 27.84 TWD | 26.55 TWD | -0.24 | -26.44 | 5.6M | On |
| 5 Jun 2026 | 28.01 TWD | 1.9% | 27.68 TWD | 26.47 TWD | -0.53 | -32.59 | 3.9M | On |
| 29 May 2026 | 27.50 TWD | -1.7% | 27.56 TWD | 26.39 TWD | -0.36 | -34.25 | 2.3M | On |
| 22 May 2026 | 27.97 TWD | 2.2% | 27.46 TWD | 26.32 TWD | -0.22 | -30.23 | 1.5M | On |
| 15 May 2026 | 27.37 TWD | -3.5% | 27.33 TWD | 26.25 TWD | -0.19 | -30.76 | 2.4M | On |
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.