5312 TWO Week ended 14 Aug 2026

Weekly Investor Report

Formosa Optical Technology Co.,Ltd. · Healthcare · Medical Instruments & Supplies

Latest close 89.30 TWD
0.4% latest week
Weekly setup

Mixed setup

The weekly trend is not active. Price is -1.7% below the Trend Line and sits at 10.2% of its 52-week range. The latest completed week returned 0.4%, after a 0.6% four-week move. Near-term considerations: volume confirmation is below normal.

Setup score 29 out of 100
Latest Close 89.30 TWD 14 Aug 2026
1W Return 0.4% latest completed week
4W Return 0.6% short-term follow-through
12W Return 2.3% quarterly tape
Trend Breadth 0.0% 0 of 52 weeks active
Volume Ratio 0.4x vs 13-week average
What is working
  • Activity pressure is positive on the latest completed week.
What could go wrong
  • 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.
  • Price is below Fair Value, so the market is still discounting the latest tape.
  • Next-week expectancy is negative at 40.00% based on similar historical setup states.
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 not active. Price is -1.7% below the Trend Line and sits at 10.2% of its 52-week range. The latest completed week returned 0.4%, after a 0.6% 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 0.4x 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 0.1012-week average 0.05

12-week confirmation

Trend active0/12Active 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 pressure0.10Current 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 0.6% over four weeks, 2.3% over 12 weeks, and -23.4% over one year. The current trend has remained active for 0 consecutive weeks.

Performance by holding period

1W0.4%
4W0.6%
12W2.3%
26W-2.4%
52W-23.4%
Active trend streak0 weeks
Active weeks in one year0
Trend breadth0.0%

Activity pressure vs relative leadership

Activity pressureRelative leadership
Pressure1.14Latest activity-pressure read.
Pressure change125.3%Four-week change in activity pressure.
Leadership-32.45Latest relative-leadership reading.
RS change3.2%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-22.5%Distance below the 52-week high.
13-week volatility4.9%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 higher14 of 2611 weeks finished lower.
Best week+13.2%Week of 24 Jul.
Worst week-11.6%Week of 31 Jul.
Latest week+0.4%Week of 14 Aug.

Shape of recent returns

Strong gains1
Modest gains13
Flat weeks1
Modest losses10
Sharp losses1
Recent vol4.9%13-week weekly-return volatility.
Base vol3.4%52-week weekly-return volatility.
Up/down split22/27Count of positive and negative weeks in the 52-week window.
Average skew1.8% / -2.4%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 202689.30 TWD0.4%90.89 TWD93.30 TWD1.14-32.45209.6KOff
7 Aug 202688.90 TWD0.1%91.02 TWD93.17 TWD1.05-31.66436.3KOff
31 Jul 202688.80 TWD-11.6%91.20 TWD93.05 TWD0.89-31.481.2MOff
24 Jul 2026100.5 TWD13.2%91.39 TWD92.94 TWD0.76-24.961.7MOff
17 Jul 202688.80 TWD0.1%91.25 TWD92.77 TWD0.51-33.51243.2KOff
10 Jul 202688.70 TWD-1.0%91.37 TWD92.63 TWD0.62-38.89134.2KOff
3 Jul 202689.60 TWD-0.1%91.43 TWD92.51 TWD0.59-41.50301.6KOff
26 Jun 202689.70 TWD-1.2%91.51 TWD92.37 TWD0.40-39.97689.4KOff
19 Jun 202690.75 TWD1.1%91.49 TWD92.24 TWD0.03-43.08175.8KOff
12 Jun 202689.73 TWD0.6%91.51 TWD92.12 TWD-0.21-42.22183.1KOff
5 Jun 202689.17 TWD1.5%91.48 TWD91.99 TWD-0.14-45.07300.6KOff
29 May 202687.86 TWD0.6%91.56 TWD91.82 TWD-0.04-46.79233.4KOff
22 May 202687.30 TWD-1.7%91.73 TWD91.64 TWD0.06-45.44276.7KOff
15 May 202688.79 TWD-2.1%91.87 TWD91.45 TWD0.19-44.15410.5KOff
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