2540 TAI Week ended 14 Aug 2026

Weekly Investor Report

JSL Construction & Development Co., Ltd. · Real Estate · Real Estate Services

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Latest close 45.50 TWD
-7.0% latest week
Weekly setup

Mixed setup

The weekly trend is active. Price is -1.2% below the Trend Line and sits at 36.0% of its 52-week range. The latest completed week returned -7.0%, after a -4.5% four-week move.

Setup score 48 out of 100
Latest Close 45.50 TWD 14 Aug 2026
1W Return -7.0% latest completed week
4W Return -4.5% short-term follow-through
12W Return -8.5% quarterly tape
Trend Breadth 30.8% 16 of 52 weeks active
Volume Ratio 2.0x vs 13-week average
What is working
  • The trend backdrop is active with a 16-week active streak.
  • Activity pressure is positive on the latest completed week.
  • Volume is elevated versus the 13-week average, confirming attention.
  • Activity pressure is constructive, supporting the smart-money activity read.
What could go wrong
  • Price is below the Trend Line, which keeps downside pressure in focus.
  • Price is below Fair Value, so the market is still discounting the latest tape.
  • The latest week was a sharp negative move.
  • Latest weekly return ranks in the weaker part of its sector group.
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.
Price follow-through -7.0% Latest completed week; four-week move -4.5%. Indicator stack 62/62 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

Where price is—and whether the trend supports it

The weekly trend is active. Price is -1.2% below the Trend Line and sits at 36.0% of its 52-week range. The latest completed week returned -7.0%, after a -4.5% 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 2.0x the 13-week average. Participation is unusually strong and confirms that the move is attracting attention.

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 0.5912-week average 0.68

12-week confirmation

Trend active12/12Active trend-backdrop weeks in the latest 12-week window.
Positive pressure9/12Weeks with constructive activity pressure in the latest 12-week window.
Positive leadership0/12Weeks with positive relative leadership in the latest 12-week window.
Activity pressure0.59Current 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 -4.5% over four weeks, -8.5% over 12 weeks, and -6.2% over one year. The current trend has remained active for 16 consecutive weeks.

Performance by holding period

1W-7.0%
4W-4.5%
12W-8.5%
26W10.2%
52W-6.2%
Active trend streak16 weeks
Active weeks in one year16
Trend breadth30.8%

Activity pressure vs relative leadership

Activity pressureRelative leadership
Pressure0.06Latest activity-pressure read.
Pressure change142.4%Four-week change in activity pressure.
Leadership-29.66Latest relative-leadership reading.
RS change-19.1%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-19.3%Distance below the 52-week high.
13-week volatility5.6%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 higher13 of 2612 weeks finished lower.
Best week+14.2%Week of 31 Jul.
Worst week-10.0%Week of 7 Aug.
Latest week-7.0%Week of 14 Aug.

Shape of recent returns

Strong gains4
Modest gains9
Flat weeks1
Modest losses7
Sharp losses5
Recent vol5.6%13-week weekly-return volatility.
Base vol5.2%52-week weekly-return volatility.
Up/down split23/28Count of positive and negative weeks in the 52-week window.
Average skew4.4% / -3.6%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.

Weekly tape51/100

Trend, activity pressure, participation, and risk combine to a 51/100 tape read.

 Indicator analysis60/100

Latest 12-week confirmation: trend 12/12, activity pressure 9/12, relative leadership 0/12.

Activity pressure 0.59; No reversal markers Factors50/100

No published factor snapshot is available yet.

 Patient CapitalQuiet

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

No recent buy signal Sentiment50/100

No sentiment snapshot is stored yet.

 Insiders50/100

No recent insider transaction evidence is stored.

 Earnings50/100

No stored earnings event is currently attached to this ticker.
WeekCloseReturnTrend LineFair ValuePressureLeadershipVolumeTrend
14 Aug 202645.50 TWD-7.0%46.07 TWD49.54 TWD0.06-29.6612.2MOn
7 Aug 202648.90 TWD-10.0%45.91 TWD49.42 TWD0.05-22.7711.9MOn
31 Jul 202654.33 TWD14.2%45.76 TWD49.28 TWD-0.10-13.1715.8MOn
24 Jul 202647.56 TWD-0.2%45.52 TWD49.08 TWD-0.33-25.782.1MOn
17 Jul 202647.65 TWD1.3%45.36 TWD48.94 TWD-0.14-24.913.0MOn
10 Jul 202647.03 TWD-1.7%45.16 TWD48.79 TWD0.08-31.220On
3 Jul 202647.83 TWD1.5%44.96 TWD48.63 TWD0.38-33.152.3MOn
26 Jun 202647.12 TWD-4.0%44.81 TWD48.46 TWD0.51-31.933.8MOn
19 Jun 202649.08 TWD4.0%44.64 TWD48.31 TWD0.74-32.873.7MOn
12 Jun 202647.21 TWD0.0%44.39 TWD48.14 TWD0.95-32.999.1MOn
5 Jun 202647.21 TWD-3.6%44.28 TWD47.99 TWD1.21-35.182.8MOn
29 May 202648.99 TWD-1.4%44.22 TWD47.83 TWD1.30-33.175.3MOn
22 May 202649.70 TWD-4.1%44.14 TWD47.66 TWD1.41-29.336.4MOn
15 May 202651.84 TWD13.5%43.98 TWD47.49 TWD1.56-25.229.9MOn
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