2838 TAI Week ended 14 Aug 2026

Weekly Investor Report

Union Bank of Taiwan · Financial Services · Banks - Regional

Open interactive chart View report data
Latest close 19.90 TWD
-3.4% latest week
Weekly setup

Mixed setup

The weekly trend is active. Price is 3.5% above the Trend Line and sits at 66.5% of its 52-week range. The latest completed week returned -3.4%, after a -2.9% four-week move.

Setup score 53 out of 100
Latest Close 19.90 TWD 14 Aug 2026
1W Return -3.4% latest completed week
4W Return -2.9% short-term follow-through
12W Return 7.0% quarterly tape
Trend Breadth 100.0% 52 of 52 weeks active
Volume Ratio 1.1x vs 13-week average
What is working
  • The trend backdrop is active with a 127-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
  • 2 reversal markers appear in the recent smart-money tape.
  • 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 -3.4% Latest completed week; four-week move -2.9%. Indicator stack 100/48 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 3.5% above the Trend Line and sits at 66.5% of its 52-week range. The latest completed week returned -3.4%, after a -2.9% 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 1.1x the 13-week average. Participation is around or above normal and provides reasonable 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 0.9412-week average 0.89

12-week confirmation

Trend active12/12Active trend-backdrop weeks in the latest 12-week window.
Positive pressure10/12Weeks with constructive activity pressure in the latest 12-week window.
Positive leadership0/12Weeks with positive relative leadership in the latest 12-week window.
Activity pressure0.94Current proprietary activity-pressure read.
Buy signals0Accumulation signal count in the latest 12 weeks.
Reversal markers22 reversal markers

No recent accumulation markers. 2 reversal markers.

03 · Momentum and leadership

Is performance persistent—and is the stock leading?

Performance is -2.9% over four weeks, 7.0% over 12 weeks, and 25.3% over one year. The current trend has remained active for 127 consecutive weeks.

Performance by holding period

1W-3.4%
4W-2.9%
12W7.0%
26W14.3%
52W25.3%
Active trend streak127 weeks
Active weeks in one year52
Trend breadth100.0%

Activity pressure vs relative leadership

Activity pressureRelative leadership
Pressure0.26Latest activity-pressure read.
Pressure change-79.3%Four-week change in activity pressure.
Leadership-22.20Latest relative-leadership reading.
RS change-36.9%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-10.4%Distance below the 52-week high.
13-week volatility3.2%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 2610 weeks finished lower.
Best week+5.4%Week of 5 Jun.
Worst week-6.7%Week of 17 Jul.
Latest week-3.4%Week of 14 Aug.

Shape of recent returns

Strong gains4
Modest gains11
Flat weeks1
Modest losses8
Sharp losses2
Recent vol3.2%13-week weekly-return volatility.
Base vol2.9%52-week weekly-return volatility.
Up/down split31/18Count of positive and negative weeks in the 52-week window.
Average skew2.3% / -2.6%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 tape56/100

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

 Indicator analysis64/100

Latest 12-week confirmation: trend 12/12, activity pressure 10/12, relative leadership 0/12.

Activity pressure 0.94; 2 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 202619.90 TWD-3.4%19.23 TWD14.51 TWD0.26-22.2013.4MOn
7 Aug 202620.60 TWD-0.7%19.15 TWD14.46 TWD0.55-17.2311.2MOn
31 Jul 202620.75 TWD2.2%19.07 TWD14.41 TWD0.83-14.9915.5MOn
24 Jul 202620.30 TWD-1.0%18.98 TWD14.35 TWD1.00-18.3713.1MOn
17 Jul 202620.50 TWD-6.7%18.90 TWD14.30 TWD1.24-16.2222.0MOn
10 Jul 202621.98 TWD3.9%18.81 TWD14.25 TWD1.48-16.070On
3 Jul 202621.14 TWD2.0%18.68 TWD14.18 TWD1.44-22.1912.1MOn
26 Jun 202620.73 TWD-1.3%18.58 TWD14.13 TWD1.26-20.528.7MOn
19 Jun 202621.01 TWD4.6%18.48 TWD14.07 TWD0.85-23.2417.5MOn
12 Jun 202620.08 TWD0.9%18.36 TWD14.02 TWD0.30-23.2912.6MOn
5 Jun 202619.90 TWD5.4%18.28 TWD13.97 TWD-0.03-26.0413.0MOn
29 May 202618.88 TWD1.5%18.19 TWD13.92 TWD-0.09-29.838.5MOn
22 May 202618.61 TWD0.2%18.18 TWD13.88 TWD-0.01-27.417.6MOn
15 May 202618.56 TWD-2.2%18.16 TWD13.83 TWD0.15-26.199.1MOn
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