Weekly Chart PackCompleted weekly market data · Independent research
TAI · Equity · Taiwan
6641
GSD Technologies Co., Ltd.
IndustrialsPollution & Treatment Controls
GSD Technologies Co., Ltd. manufactures and sells environmental protection equipment and its consumables in Asia and internationally. The company offers submersible pumps, on land pumps, blowers, and machines; aerating oxygen inputting, mixing and flow propeller, solid liquid separation, reactor and package, and intelligent equipment; consumable and pharmaceutical products; and electric control cabinet products. It is also involved in the sales, installation, maintenance, and provision of related technical services for aquaculture and environmental …
Last updated
14 Aug 2026
Exchange
Taiwan Stock Exchange · TAI
Sector
Industrials
Industry
Pollution & Treatment Controls
Currency
TWD
Market capitalisation
653,350,016
Fair value reference
29.18
Next-week expectancy
Negative · 32.79%
Executive chart read
Over the latest 12 completed weeks ending 2026-08-14, 6641 fell 0.09%, moving from 17.92 to 17.90. The latest weekly close is below the Trend Line and below Fair Value. Trend Signal is inactive on the latest week and was active in 0 of the last 12 weeks. Relative Strength is -34.88 and has improved across the 12-week window. Market Dynamics is 0.30 on the latest week. Next-week expectancy is negative at 32.79% based on similar historical setup states.
Week Ending
14 Aug 2026
Latest Close
17.90
12-Week Change
-0.09%
Trend Signal
Inactive
Next-Week Expectancy
Negative 32.79%
Signal Weeks
0 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 / Resistance
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 stateInside accepted value
52-week position
12.1%
Low to high
Accepted price
17.95
Latest versus accepted: -0.27%
Fitted direction
Falling
-0.31% per week
Range pressure
41/100
Balanced pressure
Range condition
Normal
1.21× normal range
Range pressureCurrent range pressure · 50 is balanced
Weekly closeFitted rangeActivity ribbonEstimated activity at priceAutomatic level
Automatic structure
Strongest price levels
Support16.55
From price
-7.5%
Evidence
30/100
Touches
1
Support17.48
From price
-2.3%
Evidence
71/100
Touches
5
Current pivot17.95
From price
0.3%
Evidence
87/100
Touches
3
Resistance18.60
From price
3.9%
Evidence
83/100
Touches
8
Resistance19.12
From price
6.8%
Evidence
61/100
Touches
2
Current reading
What the range shows
Current positionInside accepted value
Price is at 12.1% of its latest 52-week range.
Fitted directionFalling
The fitted centre line is moving -0.31% per week.
Range pressureBalanced pressure
The current pressure reading is 41/100; 50 is balanced.
Next structural level17.48
Support is 2.3% from the latest close with 71/100 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
17.90
12-Week Change
-0.09%
Trend Signal
Inactive
Next-Week Expectancy
Negative 32.79%
Signal Weeks
0 of 12
Vs Trend Line
Below
Vs Fair Value
Below
Relative Strength
-34.88
Market Dynamics
0.30
Over the latest 12 completed weeks ending 2026-08-14, 6641 fell 0.09%, moving from 17.92 to 17.90. The latest weekly close is below the Trend Line and below Fair Value. Trend Signal is inactive on the latest week and was active in 0 of the last 12 weeks. Relative Strength is -34.88 and has improved across the 12-week window. Market Dynamics is 0.30 on the latest week. Next-week expectancy is negative at 32.79% based on similar historical setup states.
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