3532 TAI Week ended 14 Aug 2026

Weekly Investor Report

Formosa Sumco Technology Corporation · Technology · Semiconductor Equipment & Materials

Open interactive chart View report data
Latest close 356.0 TWD
13.9% latest week
Weekly setup

Mixed setup

The weekly trend is active. Price is 48.3% above the Trend Line and sits at 58.7% of its 52-week range. The latest completed week returned 13.9%, after a -16.0% four-week move.

Setup score 60 out of 100
Latest Close 356.0 TWD 14 Aug 2026
1W Return 13.9% latest completed week
4W Return -16.0% short-term follow-through
12W Return 43.6% quarterly tape
Trend Breadth 90.4% 47 of 52 weeks active
Volume Ratio 1.9x vs 13-week average
What is working
  • The trend backdrop is active with a 47-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.
  • Activity pressure is positive on the latest completed week.
What could go wrong
  • Next-week expectancy is negative at 42.97% based on similar historical setup states.
  • The share remains more than 20% below its 52-week high.
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 13.9% Latest completed week; four-week move -16.0%. Indicator stack 95/43 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. Next-Week Expectancy Negative 42.97% Historical one-week expectancy contributes to the evidence score when direction is confirmed.
01 · Price action

Where price is—and whether the trend supports it

The weekly trend is active. Price is 48.3% above the Trend Line and sits at 58.7% of its 52-week range. The latest completed week returned 13.9%, after a -16.0% 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 1.9x 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 0.8512-week average 0.94

12-week confirmation

Trend active12/12Active trend-backdrop weeks in the latest 12-week window.
Positive pressure12/12Weeks with constructive activity pressure in the latest 12-week window.
Positive leadership12/12Weeks with positive relative leadership in the latest 12-week window.
Activity pressure0.85Current 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 -16.0% over four weeks, 43.6% over 12 weeks, and 320.7% over one year. The current trend has remained active for 47 consecutive weeks.

Performance by holding period

1W13.9%
4W-16.0%
12W43.6%
26W168.2%
52W320.7%
Active trend streak47 weeks
Active weeks in one year47
Trend breadth90.4%

Activity pressure vs relative leadership

Activity pressureRelative leadership
Pressure0.04Latest activity-pressure read.
Pressure change-96.7%Four-week change in activity pressure.
Leadership58.28Latest relative-leadership reading.
RS change-49.3%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-35.5%Distance below the 52-week high.
13-week volatility16.9%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 higher15 of 2611 weeks finished lower.
Best week+36.2%Week of 8 May.
Worst week-28.5%Week of 31 Jul.
Latest week+13.9%Week of 14 Aug.

Shape of recent returns

Strong gains13
Modest gains2
Flat weeks0
Modest losses2
Sharp losses9
Recent vol16.9%13-week weekly-return volatility.
Base vol13.4%52-week weekly-return volatility.
Up/down split28/24Count of positive and negative weeks in the 52-week window.
Average skew13.4% / -7.7%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.

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 tape63/100

Trend, activity pressure, participation, and risk combine to a 63/100 tape read.

 Indicator analysis89/100

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

Activity pressure 0.85; No reversal markers Next-Week ExpectancyNegative 42.97%

Next-week expectancy is negative with a 42.97% historical one-week setup read.

Adds short-term historical context without overriding trend, activity, or relative leadership. 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 2026356.0 TWD13.9%240.1 TWD143.5 TWD0.0458.2842.1MOn
7 Aug 2026312.5 TWD15.1%231.9 TWD142.1 TWD0.4946.354.8MOn
31 Jul 2026271.5 TWD-28.5%224.7 TWD141.1 TWD0.9532.1622.6MOn
24 Jul 2026379.5 TWD-10.5%218.8 TWD140.4 TWD1.4084.3767.8MOn
17 Jul 2026424.0 TWD0.3%209.2 TWD138.9 TWD1.35114.9852.5MOn
10 Jul 2026422.6 TWD-3.7%198.3 TWD137.1 TWD1.37107.340On
3 Jul 2026439.1 TWD31.0%187.5 TWD135.4 TWD1.49114.324.8MOn
26 Jun 2026335.3 TWD-13.8%176.0 TWD133.5 TWD1.4776.353.5MOn
19 Jun 2026389.2 TWD19.4%167.6 TWD132.4 TWD1.70100.1527.7MOn
12 Jun 2026325.8 TWD12.6%157.7 TWD130.8 TWD1.5680.5414.9MOn
5 Jun 2026289.4 TWD-9.1%149.8 TWD129.7 TWD1.3960.274.8MOn
29 May 2026318.3 TWD28.4%143.5 TWD128.7 TWD1.5480.2630.8MOn
22 May 2026248.0 TWD12.2%136.4 TWD127.5 TWD1.3551.244.9MOn
15 May 2026221.0 TWD-14.0%131.5 TWD126.8 TWD1.2839.974.2MOn
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