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Valuation (Factual Multiples)

EV/EBITDA could not be calculated due to unavailable depreciation and net debt data (not available).

5-Year Financial Trend

Revenue increased 47.0% over five years (approx. 10.1% CAGR), from KRW 262.2bn in 2021 to KRW 385.5bn in 2025. Over the same period, the operating margin declined from 6.88% in 2022 to 2.40% in 2025, while the debt-to-equity ratio rose from 86.63% in 2023 to 121.35% in 2026 H1 (directly calculated from original business report figures, A).

Peer Comparison

Yooshin has the lowest valuation among listed industry peers — its PER of 5.27x is roughly one-third that of Dohwa Engineering (16.55x) and about half that of Korea Engineering Consultants Corp. (10.52x). Many competitors, including Saman Corporation and Pyunghwa Engineering Consultants, are unlisted, which limits financial data comparability.

Business Overview

The revenue composition ratios are cited from an aggregator site and the exact reference fiscal year could not be confirmed (not available — cross-check against the original DART business report is required).

The small-scale merger with CE Tech Co., Ltd., resolved by the board on 2024-12-11 (filing no. 20241211000849), was completed on 2025-02-21, adding fabrication and construction (EPC) capabilities to the company's existing design and supervision-focused business. Overseas operations include construction management (CM) for the Bataan–Cavite Interlink Bridge in the Philippines (KRW 91.14bn), transport network design in Vietnam, and a trunk road network master plan in Myanmar.

Supply and Demand (Trading Flow)

Trading trends by investor type (foreign/institutional/individual), securities lending indicators (ratio and balance), foreign ownership and limit-utilization rates, and margin balances are all not available (the research tool could not access official KRX investor-type trading data). Based on daily closing prices and volume from an unofficial secondary source (Coxstock), the stock rose gradually (+10.3%) over 2026-08-04–08-12, corrected during 08-13–08-14, and rose again on 08-18; trading volume on 08-18 (42,483 shares) surged to 3–8 times the prior period's daily average (not cross-checked against KRX, estimate).

Governance and Capital Structure

Reference date: estimated based on confirmation timing of executive ownership status reports (e.g., the Jeon Jong-ho filing) from March–April 2026 — cross-check against the original 'Matters Concerning Shareholders' section of the business report is not available.

Media reports confirm that Yooshin has lent funds at an annual interest rate of 2.8% to affiliate Cheongshin Leisure (65% owned by the Jeon Kyung-soo family, 35% by Yooshin), that affiliate Yooshin Building established a collateral mortgage of KRW 33.1bn on Cheongshin Leisure's Hana Bank borrowings, and that Yooshin provided a debt guarantee of KRW 19.86bn (Asia Economy, 2024-09-05). Cross-check against the original 'Related Party Transactions' section of the business report is not available.

Risk Factors

In Q1 2026 (separate financial statements, web research), revenue rose +22.5% year-over-year, but operating profit turned negative. The company attributed this to increased allowances for doubtful accounts on trade receivables and unbilled construction, along with higher operating expenses including labor costs (secondary source, not cross-checked against the original DART filing). The official 2026 semi-annual (cumulative) figure shows an operating profit of KRW 6.03bn, consistent with a large swing to profit in Q2 following the Q1 loss. In 2019, the stock price surged approximately 2.3x (from 19,300 KRW to 42,900 KRW) over three trading days on expectations surrounding inter-Korean railway cooperation, then plunged roughly 30% from its peak later that year alongside a swing to an operating loss — a fact worth noting given the stock's exposure to theme-driven volatility.

Macro Impact

A significant portion of Yooshin's revenue (an estimated ~63% combining roads/airports, railways/structures, supervision & design, and urban planning) is linked to domestic SOC orders, so the 2026 increase in the Ministry of Land, Infrastructure and Transport budget and the recovery in public construction orders are positive factors for the order pipeline. Conversely, the Bank of Korea's base rate hike on 2026-07-16 and the rise in the construction cost index (labor costs) are negative factors via reduced private-sector orders and higher cost burdens, and the increased labor cost burden was in fact confirmed in Q1 2026 results. Direct KRW/USD exchange rate figures are not available, but a weakening of the U.S. Dollar Index (DXY) could affect the KRW-translated value of overseas contract service revenue.

News and Disclosure Timeline

No specific news or disclosure directly explaining the 2026-08-18 price movement was identified (not available). References to inclusion in the inter-Korean railway/economic cooperation theme appear on numerous information sites, but these are theme-classification mentions rather than date-specific factual reporting, and are noted separately as such.