KSC Equity Snapshot
004770 Weekly Equity Report
Sunny Electronics Corp.
What the company does
Sunny Electronics Corp., together with its subsidiaries, manufactures and sells crystal oscillator products in South Korea. It offers crystal units, crystal and MEMS oscillators, filters, VCXO oscillators, and TCXO and VCTCXO oscillators. The company was formerly known as Sunny Electric Engineering Co., Ltd. and changed its name to Sunny Electronics Corp. in March 1999. Sunny Electronics Corp. was founded in 1966 and is headquartered in Chungju-si, South Korea.
What the weekly tape is saying
004770 closed the latest completed week at 1,676 KRW. The 4-week return is -0.2% and the 12-week return is 5.4%. Trend Signal is active, Market Dynamics is -0.46. Setup signature: Risk-first tape with a 34/100 composite read.
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.
Scoreboard
16-week signal tape
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 map
- Trend Line
- 1,631 KRW
- Vs Trend Line
- 2.7%
- Fair Value
- 1,867 KRW
- Vs Fair Value
- -10.2%
- 52W High
- 2,045 KRW
- 52W Low
- 1,418 KRW
- Drawdown
- -18.0%
- Range Position
- 41.1%
Returns and trend persistence
Return windows separate the latest week from short-term and medium-term follow-through.
Return windows
Trend read
- Active Streak
- 15 weeks
- 52W Active Weeks
- 15
- 52W Active Breadth
- 28.8%
- Sector Scope
- KR Technology
- Sector Rank
- 32 of 82
- Sector Percentile
- 61.7%
Sector and industry pulse
Peer breadth helps separate a stock-specific move from a broader group rotation.
KR Technology
- Tracked Peers
- 82
- 4W Rank
- 25 of 82
- Avg 1W
- 0.0%
- Avg 4W
- -2.0%
- Trend Breadth
- 64.6%
- Positive MD
- 57.3%
KR Electronic Components
- Tracked Peers
- 34
- 4W Rank
- 12 of 34
- Avg 1W
- 1.7%
- Avg 4W
- 1.8%
- Trend Breadth
- 70.6%
- Positive RS
- 32.4%
Pressure, Relative Strength, and expectation
Market Dynamics and Relative Strength show whether buying pressure and relative leadership are confirming the price move.
Dynamics path
Signal state
- Market Dynamics
- -0.46
- 4W MD Change
- -141.3%
- Relative Strength
- -45.41
- 4W RS Change
- -0.5%
- Expectation
- Negative
- Probability
- 44.37%
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
- 668.1K
- 13W Average
- 1.9M
- 52W Average
- 1.7M
- Vs 13W
- 0.4x
- Vs 52W
- 0.4x
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
- 4.2%
- 52W Volatility
- 3.1%
- Upside Weeks
- 26
- Downside Weeks
- 26
- Downside Breadth
- 50.0%
- Avg Gain / Loss
- 2.5% / -2.3%
Classification, opportunities, risks, and watch points
Top-level read across company classification, constructive evidence, caution points, and the next things that matter.
Classification
- Exchange
- KSC
- Country
- KR
- Sector
- Technology
- Industry
- Electronic Components
- Currency
- KRW
- Market Cap
- 55.4B
Opportunity signals
- Trend Signal is active with a 15-week active streak.
- Price is above the Trend Line, keeping the weekly tape constructive.
Risk signals
- Price is below Fair Value, so the market is still discounting the latest tape.
- Market Dynamics is negative, which weakens the current setup.
- 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.
Recent completed weeks
The latest weekly rows behind the report snapshot.
| Week | Close | Return | Trend | Fair Value | MD | RS | Volume | Signal |
|---|---|---|---|---|---|---|---|---|
| 12 Jun 2026 | 1,676 KRW | 0.8% | 1,631 KRW | 1,867 KRW | -0.46 | -45.41 | 668.1K | On |
| 5 Jun 2026 | 1,662 KRW | 6.1% | 1,627 KRW | 1,871 KRW | -0.18 | -47.09 | 1.3M | On |
| 29 May 2026 | 1,566 KRW | -6.7% | 1,621 KRW | 1,875 KRW | 0.23 | -52.98 | 1.1M | On |
| 22 May 2026 | 1,678 KRW | -0.1% | 1,619 KRW | 1,880 KRW | 0.79 | -46.68 | 1.3M | On |
| 15 May 2026 | 1,680 KRW | -4.5% | 1,614 KRW | 1,883 KRW | 1.12 | -45.17 | 1.9M | On |
| 8 May 2026 | 1,760 KRW | -3.7% | 1,611 KRW | 1,886 KRW | 1.46 | -43.68 | 1.6M | On |
| 1 May 2026 | 1,828 KRW | 1.2% | 1,606 KRW | 1,889 KRW | 1.63 | -34.79 | 1.3M | On |
| 24 Apr 2026 | 1,807 KRW | 1.1% | 1,597 KRW | 1,891 KRW | 1.59 | -35.36 | 1.5M | On |
| 17 Apr 2026 | 1,787 KRW | -0.1% | 1,588 KRW | 1,892 KRW | 1.61 | -34.46 | 5.7M | On |
| 10 Apr 2026 | 1,788 KRW | 9.2% | 1,582 KRW | 1,895 KRW | 1.34 | -32.58 | 3.1M | On |
| 3 Apr 2026 | 1,637 KRW | -1.6% | 1,576 KRW | 1,897 KRW | 1.22 | -34.67 | 1.5M | On |
| 27 Mar 2026 | 1,663 KRW | 4.6% | 1,575 KRW | 1,901 KRW | 1.40 | -36.75 | 1.7M | On |
| 20 Mar 2026 | 1,590 KRW | -1.9% | 1,572 KRW | 1,904 KRW | 1.38 | -44.22 | 1.3M | On |
| 13 Mar 2026 | 1,620 KRW | -1.8% | 1,572 KRW | 1,909 KRW | 1.46 | -41.34 | 1.4M | On |