2399 TAI Week ended 07 Aug 2026

Weekly Investor Report

Biostar Microtech International Corp. · Technology · Computer Hardware

Open interactive chart View report data
Latest close 42.55 TWD
28.5% latest week
Weekly setup

Mixed setup

The weekly trend is active. Price is 16.0% above the Trend Line and sits at 62.5% of its 52-week range. The latest completed week returned 28.5%, after a -12.9% four-week move. Near-term considerations: volume confirmation is below normal.

Setup score 43 out of 100
Latest Close 42.55 TWD 7 Aug 2026
1W Return 28.5% latest completed week
4W Return -12.9% short-term follow-through
12W Return -6.4% quarterly tape
Trend Breadth 80.8% 42 of 52 weeks active
Volume Ratio 0.7x vs 13-week average
What is working
  • The trend backdrop is active with a 42-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 constructive, supporting the smart-money activity read.
What could go wrong
  • Activity pressure is negative, which weakens the current setup.
  • 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 28.5% Latest completed week; four-week move -12.9%. Indicator stack 89/15 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 16.0% above the Trend Line and sits at 62.5% of its 52-week range. The latest completed week returned 28.5%, after a -12.9% 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 0.7x 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
6 Feb 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
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 0.6512-week average 0.87

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 leadership9/12Weeks with positive relative leadership in the latest 12-week window.
Activity pressure0.65Current 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 -12.9% over four weeks, -6.4% over 12 weeks, and 132.5% over one year. The current trend has remained active for 42 consecutive weeks.

Performance by holding period

1W28.5%
4W-12.9%
12W-6.4%
26W83.0%
52W132.5%
Active trend streak42 weeks
Active weeks in one year42
Trend breadth80.8%

Activity pressure vs relative leadership

Activity pressureRelative leadership
Pressure-1.11Latest activity-pressure read.
Pressure change-192.8%Four-week change in activity pressure.
Leadership8.67Latest relative-leadership reading.
RS change-61.4%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-26.0%Distance below the 52-week high.
13-week volatility11.1%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 higher16 of 2610 weeks finished lower.
Best week+41.7%Week of 20 Mar.
Worst week-23.6%Week of 17 Jul.
Latest week+28.5%Week of 7 Aug.

Shape of recent returns

Strong gains7
Modest gains9
Flat weeks0
Modest losses6
Sharp losses4
Recent vol11.1%13-week weekly-return volatility.
Base vol10.8%52-week weekly-return volatility.
Up/down split31/21Count of positive and negative weeks in the 52-week window.
Average skew8.1% / -6.6%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 analysis75/100

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

Activity pressure 0.65; 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
7 Aug 202642.55 TWD28.5%36.67 TWD26.09 TWD-1.118.6738.1MOn
31 Jul 202633.10 TWD-12.3%36.16 TWD25.98 TWD-0.68-12.9512.3MOn
24 Jul 202637.75 TWD1.2%35.94 TWD25.94 TWD-0.00-1.9911.5MOn
17 Jul 202637.30 TWD-23.6%35.48 TWD25.87 TWD0.53-0.7627.9MOn
10 Jul 202648.85 TWD-2.3%35.05 TWD25.79 TWD1.2022.4556.7MOn
3 Jul 202650.00 TWD3.1%34.26 TWD25.62 TWD1.3022.2747.9MOn
26 Jun 202648.50 TWD0.9%33.34 TWD25.45 TWD1.3225.1065.7MOn
19 Jun 202648.05 TWD0.8%32.41 TWD25.28 TWD1.4719.5783.8MOn
12 Jun 202647.65 TWD-2.3%31.58 TWD25.12 TWD1.4525.3432.5MOn
5 Jun 202648.75 TWD1.8%30.73 TWD24.95 TWD1.5826.2553.1MOn
29 May 202647.90 TWD2.9%29.87 TWD24.77 TWD1.6225.4875.0MOn
22 May 202646.55 TWD2.4%29.09 TWD24.57 TWD1.6629.4548.6MOn
15 May 202645.45 TWD7.4%28.24 TWD24.36 TWD1.8330.30118.1MOn
8 May 202642.30 TWD-0.4%27.49 TWD24.17 TWD1.7520.45111.0MOn
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