JPX Equity Snapshot

3436 Weekly Equity Report

Sumco Corporation

Latest Close 3,653 JPY 12 Jun 2026
1W Return -9.6% latest completed week
4W Return 18.2% short-term follow-through
12W Return 117.1% quarterly tape
Trend Breadth 86.5% 45 of 52 weeks active
Volume Ratio 1.4x vs 13-week average
Company Brief

What the company does

Sumco Corporation engages in the manufacture and sale of silicon wafers for the semiconductor industry in Japan, the United States, China, Taiwan, South Korea, Europe, and internationally. It offers polished, annealed, epitaxial, junction isolated, silicon-on-insulator, and reclaimed polished wafers, as well as provides monocrystalline ingots. The company was formerly known as Sumitomo Mitsubishi Silicon Corp. and changed its name to Sumco Corporation in August 2005. The company was incorporated in 1999 and is headquartered in Minato, Japan.

Snapshot

What the weekly tape is saying

3436 closed the latest completed week at 3,653 JPY. The 4-week return is 18.2% and the 12-week return is 117.1%. Trend Signal is active, Market Dynamics is 1.66. Setup signature: Leadership continuation with a 72/100 composite read.

Trend Signal Active
Market Dynamics No fresh buy
Price vs Trend 79.2%
Volume 1.4x
Setup Cockpit

A compressed read of the whole setup

The radar blends trend persistence, momentum, Market Dynamics, Relative Strength, volume confirmation, and risk control into one weekly cockpit.

Composite setup radar

Scoreboard

Trend 93 Persistence of active Trend Signal over the last year and current streak.
Momentum 100 Blend of 4-week and 12-week follow-through.
Dynamics 80 Latest Market Dynamics and whether pressure has improved over four weeks.
Relative Strength 100 Relative leadership and short-term RS change.
Volume 57 Participation compared with the 13-week volume baseline.
Risk Control 0 Drawdown and recent weekly volatility pressure.

16-week signal tape

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
Weekly return bar Trend Signal dot Positive Market Dynamics dot
Price Action

Price, Trend Line, and Fair Value

Weekly price context with the latest close, trend position, Fair Value gap, drawdown, and 52-week range location.

52-week price path

Price Trend Line Fair Value

Price map

Trend Line
2,039 JPY
Vs Trend Line
79.2%
Fair Value
1,744 JPY
Vs Fair Value
109.5%
52W High
4,564 JPY
52W Low
975.8 JPY
Drawdown
-20.0%
Range Position
74.6%
Momentum

Returns and trend persistence

Return windows separate the latest week from short-term and medium-term follow-through.

Return windows

1W -9.6%
4W 18.2%
12W 117.1%
26W 171.8%
52W 267.7%

Trend read

Active Streak
45 weeks
52W Active Weeks
45
52W Active Breadth
86.5%
Sector Scope
JP Technology
Sector Rank
556 of 704
Sector Percentile
21.1%
Peer Context

Sector and industry pulse

Peer breadth helps separate a stock-specific move from a broader group rotation.

Market Dynamics

Pressure, Relative Strength, and expectation

Market Dynamics and Relative Strength show whether buying pressure and relative leadership are confirming the price move.

Dynamics path

Market Dynamics Relative Strength

Signal state

Market Dynamics
1.66
4W MD Change
-2.6%
Relative Strength
66.79
4W RS Change
5.3%
Expectation
Positive
Probability
55.56%
Volume

Participation and confirmation

Volume tells us whether the latest weekly move is being confirmed by unusual participation.

52-week volume profile

Volume map

Latest Volume
82.0M
13W Average
60.4M
52W Average
40.7M
Vs 13W
1.4x
Vs 52W
2.0x
Risk Anatomy

Volatility, downside weeks, and return shape

A compact risk profile shows whether the move is steady, volatile, or being driven by sharp one-week jumps.

26-week return distribution

Risk map

13W Volatility
14.2%
52W Volatility
9.7%
Upside Weeks
33
Downside Weeks
19
Downside Breadth
36.5%
Avg Gain / Loss
8.1% / -5.9%
Context

Classification, opportunities, risks, and watch points

Top-level read across company classification, constructive evidence, caution points, and the next things that matter.

Classification

Exchange
JPX
Country
JP
Sector
Technology
Industry
Semiconductor Equipment & Materials
Currency
JPY
Market Cap
1396.8B

Opportunity signals

  • Trend Signal is active with a 45-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.
  • Market Dynamics is positive on the latest completed week.

Risk signals

  • The latest week was a sharp negative move.
  • Recent volatility is running well above the one-year baseline.

Watch next

  • Trend Line remains the key weekly regime level.
  • Market Dynamics is the pressure gauge to monitor for confirmation or fade.
  • A volume ratio above 1.5x would show stronger participation in the next move.
Weekly Tape

Recent completed weeks

The latest weekly rows behind the report snapshot.

Week Close Return Trend Fair Value MD RS Volume Signal
12 Jun 2026 3,653 JPY -9.6% 2,039 JPY 1,744 JPY 1.66 66.79 82.0M On
5 Jun 2026 4,041 JPY 1.2% 1,960 JPY 1,733 JPY 1.70 86.07 75.2M On
29 May 2026 3,994 JPY 25.7% 1,873 JPY 1,719 JPY 1.62 88.54 57.7M On
22 May 2026 3,177 JPY 2.8% 1,792 JPY 1,706 JPY 1.67 60.41 58.5M On
15 May 2026 3,090 JPY -13.6% 1,743 JPY 1,698 JPY 1.71 63.41 104.6M On
8 May 2026 3,578 JPY 41.3% 1,695 JPY 1,690 JPY 1.72 88.14 43.5M On
1 May 2026 2,533 JPY 13.0% 1,630 JPY 1,679 JPY 1.64 43.22 68.3M On
24 Apr 2026 2,242 JPY 7.0% 1,602 JPY 1,674 JPY 1.36 27.64 55.0M On
17 Apr 2026 2,095 JPY 3.0% 1,575 JPY 1,671 JPY 1.26 22.61 77.7M On
10 Apr 2026 2,034 JPY 17.0% 1,553 JPY 1,669 JPY 0.95 23.10 37.2M On
3 Apr 2026 1,738 JPY -6.1% 1,529 JPY 1,668 JPY 0.77 13.52 44.0M On
27 Mar 2026 1,850 JPY 10.0% 1,514 JPY 1,668 JPY 0.85 20.86 47.1M On
20 Mar 2026 1,682 JPY 7.4% 1,493 JPY 1,668 JPY 0.85 10.29 34.8M On
13 Mar 2026 1,567 JPY -7.8% 1,478 JPY 1,670 JPY 0.97 1.95 45.3M On