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Sunny Electronics Corp (004770) Fair Value & Analysis

Technology · KR · Market cap 59.5B KRW

Price1,540 KRW
Fair Value1,030 KRW
Upside-33.1%
Quality95/100
Evidence: High Range 798.46 KRW – 1,402 KRW

Fair value as of: Jun 25, 2026

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Analysis

Sunny Electronics Corp (004770) currently trades at 1,540 KRW, while our model-based Fair Value estimate is 1,030 KRW — implying the stock looks roughly 33.1% overvalued today. We read business quality at 95/100 (high quality), in the Technology sector. Bear case: priced above our estimate, the market already discounts strong expectations. Bull case: above-average quality can justify a premium — the entry price still matters most (evidence: high).

About the company

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.

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Frequently asked questions

Is Sunny Electronics Corp (004770) undervalued?
As of Jun 25, 2026, our model estimates a fair value of 1,030 KRW versus a price of 1,540 KRW — about −33% (overvalued). Model-based estimate, not financial advice.
What is the fair value of 004770?
Our 21-model fair value for Sunny Electronics Corp is 1,030 KRW (as of Jun 25, 2026), built from audited fundamentals. The current price is 1,540 KRW.
What is the quality score of 004770?
Sunny Electronics Corp has a Quality Score of 95/100, measuring profitability, growth and balance-sheet strength from non-valuation factors.

How we calculate Fair Value

Each company is valued through a stack of independent intrinsic-value models (DCF variants, residual-income, multiples and more), blended into one family-balanced consensus and weighted by how much trustworthy data backs it. A separate quality layer scores the fundamentals. Every input is real reported data — nothing guessed.

Educational research only · not financial advice · no buy/sell recommendation. Model-based estimates are not certainties; their reliability depends on data quality and assumptions.