2423 TAI Week ended 14 Aug 2026

Weekly Investor Report

Good Will Instrument Co., Ltd. · Technology · Scientific & Technical Instruments

Open interactive chart View report data
Latest close 77.00 TWD
0.7% latest week
Weekly setup

Mixed setup

The weekly trend is active. Price is 25.2% above the Trend Line and sits at 76.3% 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 54 out of 100
Latest Close 77.00 TWD 14 Aug 2026
1W Return 0.7% latest completed week
4W Return -0.9% short-term follow-through
12W Return 6.4% quarterly tape
Trend Breadth 75.0% 39 of 52 weeks active
Volume Ratio 0.8x vs 13-week average
What is working
  • The trend backdrop is active with a 14-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.
  • Next-week expectancy is positive at 57.78% based on similar historical setup states.
What could go wrong
  • Activity pressure is negative, which weakens the current setup.
  • 5 reversal markers appear in the recent smart-money tape.
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 0.7% Latest completed week; four-week move -0.9%. Indicator stack 86/42 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 Positive 57.78% 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 25.2% above the Trend Line and sits at 76.3% of its 52-week range. The latest completed week returned 0.7%, after a -0.9% 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 0.8x 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 0.8712-week average 0.80

12-week confirmation

Trend active12/12Active trend-backdrop weeks in the latest 12-week window.
Positive pressure11/12Weeks with constructive activity pressure in the latest 12-week window.
Positive leadership3/12Weeks with positive relative leadership in the latest 12-week window.
Activity pressure0.87Current proprietary activity-pressure read.
Buy signals0Accumulation signal count in the latest 12 weeks.
Reversal markers55 reversal markers

No recent accumulation markers. 5 reversal markers.

03 · Momentum and leadership

Is performance persistent—and is the stock leading?

Performance is -0.9% over four weeks, 6.4% over 12 weeks, and 71.9% over one year. The current trend has remained active for 14 consecutive weeks.

Performance by holding period

1W0.7%
4W-0.9%
12W6.4%
26W73.0%
52W71.9%
Active trend streak14 weeks
Active weeks in one year39
Trend breadth75.0%

Activity pressure vs relative leadership

Activity pressureRelative leadership
Pressure-0.01Latest activity-pressure read.
Pressure change-101.0%Four-week change in activity pressure.
Leadership-3.06Latest relative-leadership reading.
RS change-173.2%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-12.0%Distance below the 52-week high.
13-week volatility4.7%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+14.3%Week of 8 May.
Worst week-7.3%Week of 5 Jun.
Latest week+0.7%Week of 14 Aug.

Shape of recent returns

Strong gains8
Modest gains7
Flat weeks0
Modest losses9
Sharp losses2
Recent vol4.7%13-week weekly-return volatility.
Base vol5.1%52-week weekly-return volatility.
Up/down split33/19Count of positive and negative weeks in the 52-week window.
Average skew3.9% / -3.5%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 tape56/100

Trend, activity pressure, participation, and risk combine to a 56/100 tape read.

 Indicator analysis65/100

Latest 12-week confirmation: trend 12/12, activity pressure 11/12, relative leadership 3/12.

Activity pressure 0.87; 5 reversal markers Next-Week ExpectancyPositive 57.78%

Next-week expectancy is positive with a 57.78% 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 202677.00 TWD0.7%61.50 TWD44.01 TWD-0.01-3.061.1MOn
7 Aug 202676.50 TWD5.7%60.69 TWD43.71 TWD0.28-0.44695.8KOn
31 Jul 202672.40 TWD-2.0%59.93 TWD43.41 TWD0.50-3.511.3MOn
24 Jul 202673.90 TWD-4.9%59.34 TWD43.15 TWD0.67-2.961.4MOn
17 Jul 202677.70 TWD-2.5%58.66 TWD42.87 TWD0.794.182.4MOn
10 Jul 202679.70 TWD6.8%57.84 TWD42.59 TWD0.770.400On
3 Jul 202674.60 TWD1.5%56.89 TWD42.28 TWD0.81-9.00475.8KOn
26 Jun 202673.50 TWD-2.4%56.11 TWD42.01 TWD0.94-6.171.2MOn
19 Jun 202675.27 TWD3.7%55.34 TWD41.74 TWD1.19-8.02532.3KOn
12 Jun 202672.56 TWD-1.6%54.50 TWD41.46 TWD1.41-6.931.2MOn
5 Jun 202673.72 TWD-7.3%53.77 TWD41.20 TWD1.63-7.581.3MOn
29 May 202679.53 TWD9.9%53.16 TWD40.92 TWD1.790.212.6MOn
22 May 202672.37 TWD2.0%52.30 TWD40.60 TWD1.60-3.582.6MOn
15 May 202670.91 TWD11.4%51.67 TWD40.32 TWD1.48-3.103.7MOn
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