What the company does
GC Corp. operates as a biotechnology company. The company provides prescription drugs and over-the-counter drugs; aseptic fill and finish services for drug manufacturing; and pharmaceutical logistics services. It also researches and develops plasma derivatives for von Willebrand disease and primary immunodeficiency; vaccines for mRNA flu, anthrax, tetanus, diphtheria, pertussis, tuberculosis, and varicella; recombinant treatments for acquired thrombotic thrombocytopenic purpura, fabry, hemophilia, hunterase, colon cancer, and hunter syndrome; and small molecules for gangliosidosis andalagille's syndrome. The company has partnerships and collaborations with biotech companies and academia for development of new drugs and technologies, and clinical trials. …
What the weekly tape is saying
005257 closed the latest completed week at 20,350 KRW. The 4-week return is -15.7% and the 12-week return is -14.5%. Trend Signal is inactive, Market Dynamics is -0.04. Setup signature: Risk-first tape with a 11/100 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
- 24,039 KRW
- Vs Trend Line
- -15.3%
- Fair Value
- 26,185 KRW
- Vs Fair Value
- -22.3%
- 52W High
- 54,394 KRW
- 52W Low
- 19,800 KRW
- Drawdown
- -62.6%
- Range Position
- 1.6%
Returns and trend persistence
Return windows separate the latest week from short-term and medium-term follow-through.
Return windows
Trend read
- Active Streak
- 0 weeks
- 52W Active Weeks
- 12
- 52W Active Breadth
- 23.1%
- Sector Scope
- KR Healthcare
- Sector Rank
- 58 of 63
- Sector Percentile
- 8.1%
Sector and industry pulse
Peer breadth helps separate a stock-specific move from a broader group rotation.
KR Healthcare
- Tracked Peers
- 63
- 4W Rank
- 47 of 63
- Avg 1W
- -1.0%
- Avg 4W
- -12.7%
- Trend Breadth
- 1.6%
- Positive MD
- 6.3%
KR Biotechnology
- Tracked Peers
- 10
- 4W Rank
- 9 of 10
- Avg 1W
- -0.9%
- Avg 4W
- -11.2%
- Trend Breadth
- 0.0%
- Positive RS
- 0.0%
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
- -0.04
- 4W MD Change
- -110.0%
- Relative Strength
- -60.31
- 4W RS Change
- -10.9%
- Expectation
- Negative
- Probability
- 40.31%
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
- 3.9K
- 13W Average
- 13.7K
- 52W Average
- 13.2K
- Vs 13W
- 0.3x
- Vs 52W
- 0.3x
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
- 4.7%
- 52W Volatility
- 5.5%
- Upside Weeks
- 19
- Downside Weeks
- 33
- Downside Breadth
- 63.5%
- Avg Gain / Loss
- 3.4% / -4.5%
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
- Healthcare
- Industry
- Biotechnology
- Currency
- KRW
- Market Cap
- 1000.6B
Opportunity signals
- No strong opportunity cluster is confirmed yet; monitor trend and Market Dynamics.
Risk signals
- Trend Signal is inactive, so price action has not confirmed a constructive regime.
- Price is below the Trend Line, which keeps downside pressure in focus.
- Price is below Fair Value, so the market is still discounting the latest tape.
- Market Dynamics is negative, which weakens the current setup.
- The share remains more than 20% below its 52-week high.
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 | 20,350 KRW | -5.1% | 24,039 KRW | 26,185 KRW | -0.04 | -60.31 | 3.9K | Off |
| 5 Jun 2026 | 21,450 KRW | -5.9% | 24,203 KRW | 26,251 KRW | 0.51 | -60.20 | 5.3K | Off |
| 29 May 2026 | 22,800 KRW | -6.9% | 24,301 KRW | 26,309 KRW | 0.59 | -60.79 | 21.4K | Off |
| 22 May 2026 | 24,500 KRW | 1.4% | 24,374 KRW | 26,364 KRW | 0.52 | -55.20 | 41.3K | Off |
| 15 May 2026 | 24,150 KRW | 6.4% | 24,408 KRW | 26,404 KRW | 0.36 | -54.40 | 65.7K | Off |
| 8 May 2026 | 22,700 KRW | -1.1% | 24,481 KRW | 26,446 KRW | 0.37 | -57.63 | 3.5K | Off |
| 1 May 2026 | 22,950 KRW | -3.4% | 24,618 KRW | 26,492 KRW | 0.05 | -51.96 | 5.2K | Off |
| 24 Apr 2026 | 23,750 KRW | -5.8% | 24,760 KRW | 26,550 KRW | -0.31 | -49.95 | 6.8K | Off |
| 17 Apr 2026 | 25,200 KRW | 9.8% | 24,856 KRW | 26,594 KRW | -0.84 | -45.09 | 18.5K | Off |
| 10 Apr 2026 | 22,950 KRW | -0.2% | 24,882 KRW | 26,644 KRW | -1.44 | -47.72 | 1.1K | Off |
| 3 Apr 2026 | 23,000 KRW | -0.4% | 25,002 KRW | 26,712 KRW | -1.31 | -43.45 | 1.3K | Off |
| 27 Mar 2026 | 23,100 KRW | -2.9% | 25,134 KRW | 26,774 KRW | -1.17 | -44.36 | 2.7K | Off |
| 20 Mar 2026 | 23,791 KRW | 0.4% | 25,278 KRW | 26,813 KRW | -0.65 | -46.59 | 1.1K | Off |
| 13 Mar 2026 | 23,692 KRW | 2.1% | 25,423 KRW | 26,854 KRW | -0.41 | -44.49 | 2.6K | Off |