Samsung Strike Risk Heats Up, KOSPI Index Slump May Be Just the Beginning

TradingKey - Following the breakdown of wage negotiations between South Korea's Samsung Electronics and its largest labor union on May 13, both parties are participating in a new round of government-mediated talks today (May 18). Should these talks fail, the union is scheduled to launch an 18-day strike on the 21st.

In response, the South Korean government has publicly stated it will "deploy all feasible means" to prevent the strike from escalating. South Korean Prime Minister Kim Min-seok stated during an emergency meeting that if Samsung's semiconductor plants shut down for even a single day, direct economic losses could reach 1 trillion won; a prolonged shutdown could even impact South Korea's exports and overall economic growth. Furthermore, the government has not ruled out initiating an "emergency arbitration" procedure to suspend strike action for up to 30 days.

The core of the negotiations remains profit distribution and bonus mechanisms. The union is demanding that 15% of operating profit be allocated to the performance bonus pool and that the current bonus cap be removed, while Samsung is adhering to a more conservative proposal. As significant differences persist, the union has previously warned that if no substantive progress is made in today’s talks, it will proceed with the planned strike.

Analysts point out that as Samsung Electronics is a critical player in the global supply chain for memory chips and certain AI chips, the risk of a strike has begun to impact expectations regarding supply stability and delivery reliability. Given the continued strong demand for AI data centers, any production disruption could influence market trends. Last Friday, Samsung's stock price tumbled by as much as 8.61% due to strike concerns.

Samsung Electronics daily stock price chart, Source: TradingView

JPMorgan noted that if the strike persists and impacts production, Samsung's full-year operating profit could face potential losses of up to 31 trillion won (approximately $20.8 billion). South Korea's Finance Minister also publicly cautioned that semiconductors accounted for 37% of exports in April, and the turmoil surrounding Samsung poses a significant risk to exports and market sentiment.

For the South Korean KOSPI index, if government mediation in the Samsung strike negotiations succeeds, strike risks will ease temporarily, potentially leading to a short-term rebound or even new record highs for the index. Conversely, if negotiations fail, risk appetite for the South Korean semiconductor sector may cool down. Particularly against the backdrop of high cumulative gains in South Korean indices, concerns over supply disruptions could prompt investors to opt for profit-taking, thereby weighing on the KOSPI and causing further declines.