Weekly Chart PackCompleted weekly market data · Independent research
TWO · Equity · Taiwan
8358
Co-Tech Development Corporation
TechnologyElectronic Components
Co-Tech Development Corporation, together with its subsidiaries, engages in the production and sale of copper foil for the copper clad laminate and printed circuit board industries in Taiwan and China. It is also involved in investment activities. The company was formerly known as Co-Tech Copper Foil Corporation and changed its name to Co-Tech Development Corporation in June 2014. Co-Tech Development Corporation was founded in 1998 and is headquartered in Taipei, Taiwan.
Last updated
14 Aug 2026
Exchange
Taipei Exchange · TWO
Sector
Technology
Industry
Electronic Components
Currency
TWD
Market capitalisation
108,192,399,360
Fair value reference
146.61
Next-week expectancy
Positive · 55.22%
Executive chart read
Over the latest 12 completed weeks ending 2026-08-14, 8358 fell 29.20%, moving from 605.23 to 428.50. The latest weekly close is above the Trend Line and above Fair Value. Trend Signal is inactive on the latest week and was active in 10 of the last 12 weeks. Relative Strength is 2.25 and has softened across the 12-week window. Market Dynamics is -0.67 on the latest week. Next-week expectancy is positive at 55.22% based on similar historical setup states.
Week Ending
14 Aug 2026
Latest Close
428.50
12-Week Change
-29.20%
Trend Signal
Inactive
Next-Week Expectancy
Positive 55.22%
Signal Weeks
10 of 12
Weekly Price
Weekly Close
Trend Line
Fair Value
Activity Lines
Chart Panels
Choose up to 5 panels. Drag panel headers to reorder.
Price Action
Up Week
Down Week
Trend Line
Pivotal Level / Support
Volume
Range
Sharemaestro Range
Where price is trading
The fitted range, accepted trading area and strongest price levels are calculated automatically from completed weekly market data.
Current stateAbove accepted value
52-week position
48.2%
Low to high
Accepted price
225.86
Latest versus accepted: 89.72%
Fitted direction
Rising
1.12% per week
Range pressure
45/100
Balanced pressure
Range condition
Normal
1.06× normal range
Range pressureCurrent range pressure · 50 is balanced
Weekly closeFitted rangeActivity ribbonEstimated activity at priceAutomatic level
Automatic structure
Strongest price levels
Support57.97
From price
-86.5%
Evidence
78/100
Touches
7
Support212.03
From price
-50.5%
Evidence
88/100
Touches
7
Support366.32
From price
-14.5%
Evidence
29/100
Touches
1
Resistance507.68
From price
18.5%
Evidence
26/100
Touches
1
Resistance754.55
From price
76.1%
Evidence
27/100
Touches
1
Current reading
What the range shows
Current positionAbove accepted value
Price is at 48.2% of its latest 52-week range.
Fitted directionRising
The fitted centre line is moving +1.12% per week.
Range pressureBalanced pressure
The current pressure reading is 45/100; 50 is balanced.
Next structural level507.68
Resistance is 18.5% from the latest close with 26/100 evidence strength.
Point & Figure
Price structure · volume at price
Point & Figure market structure
Each X marks a rising price box and each O marks a falling price box. Time is removed from the horizontal scale so reversals, breakouts and areas of heavy trading stand out.
MethodAdaptive scale
Smart Money
Close Price
Trend Line
Demand Threshold Line
Reversal Risk Level
Market Dynamics
Volume Action
Price Action
Market Dynamics
Rate of Change
0-1.5TopBottomRawCloseMarket Strength30W ROCVolume SupportPrice Action RibbonBuyFlip UpFlip Down
Price Cycle
Market Price Cycle
PC Activity Line
PC Trend Line
Next-State Map
Next-State Map
Historical one-week transition paths from similar completed-week states.
SMI
Weekly Close
Trend Line
Fair Value
Activity Lines
SMI
Chart Summary
Key Points
Week Ending
14 Aug 2026
Latest Close
428.50
12-Week Change
-29.20%
Trend Signal
Inactive
Next-Week Expectancy
Positive 55.22%
Signal Weeks
10 of 12
Vs Trend Line
Above
Vs Fair Value
Above
Relative Strength
2.25
Market Dynamics
-0.67
Over the latest 12 completed weeks ending 2026-08-14, 8358 fell 29.20%, moving from 605.23 to 428.50. The latest weekly close is above the Trend Line and above Fair Value. Trend Signal is inactive on the latest week and was active in 10 of the last 12 weeks. Relative Strength is 2.25 and has softened across the 12-week window. Market Dynamics is -0.67 on the latest week. Next-week expectancy is positive at 55.22% based on similar historical setup states.
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