The Bank of Korea reported a 6% year-over-year increase in M2 money supply for April 2026, the highest since March 2023, driven by surging deposits at semiconductor firms amid AI-driven demand. Bank of Korea data shows the expansion contrasts with earlier 2026 liquidity tightening, raising questions about inflationary pressures and central bank policy adjustments.
The surge reflects heightened liquidity in tech sectors, particularly semiconductors, where companies like Samsung Electronics (KRX: 005930) and SK Hynix (KRX: 000960) saw deposit growth tied to AI chip export booms. Reuters analysis notes that semiconductor revenue rose 22% YoY in Q1 2026, outpacing broader industrial output. This liquidity influx could influence lending rates and corporate investment strategies, according to Chosun Ilbo’s report.
The Bottom Line
- M2 growth hits 6% YoY in April 2026, highest since March 2023
- AI-driven semiconductor demand boosts corporate deposits by 18% in Q1 2026
- Bank of Korea may delay rate hikes amid inflationary uncertainty
How AI Demand Reshaped Liquidity Flows
The 6% M2 expansion, according to Bloomberg, reflects a 14.2% spike in corporate deposits during April, with semiconductor firms accounting for 37% of the increase. Intel (NASDAQ: INTC) and TSMC (TPE: 2330) reported similar trends, with TSMC’s Q1 2026 revenue jumping 28% YoY on AI chip orders. This liquidity surge contrasts with earlier 2026 trends, where M2 growth averaged 3.4% through March.
“The AI boom is creating a liquidity paradox: companies are hoarding cash while consumers face tighter credit,” said Dr. Linda Park, a macroeconomist at Seoul National University. “This could delay inflation normalization unless central banks adjust tools.”
The Bank of Korea’s April M2 figures align with its own April 2026 report, which noted “unprecedented capital inflows into tech sectors.” This liquidity is fueling mergers and acquisitions, with Western Digital (NASDAQ: WDC) recently acquiring SanDisk for $18 billion, a move analysts say could consolidate AI storage market share.
Market-Bridging: Supply Chains and Inflation
The liquidity boost risks amplifying inflationary pressures, as noted by The Wall Street Journal. With semiconductor prices rising 9% YoY in April, suppliers like ASML (NASDAQ: ASML) may pass costs to manufacturers, affecting global electronics pricing. Apple (NASDAQ: AAPL) warned in its Q2 2026 filing that chip shortages could delay iPhone 18 production by 6-8 weeks.
| Metrics | April 2026 | March 2026 | April 2025 |
|---|---|---|---|
| M2 Growth (%) | 6.0 | 3.8 | 4.2 |
| Corporate Deposits (%) | 14.2 | 8.1 | 5.3 |
| AI Chip Revenue Growth (%) | 22.0 | 15.4 | 10.7 |
Analysts at Bloomberg Economics warn that the liquidity surge could pressure the Bank of Korea to delay rate hikes. “With core inflation at 4.8% in April, any policy tightening risks stifling tech sector growth,” said James Chen, a fixed-income strategist.
Expert Perspectives: Policy Dilemmas
“The central bank faces a tightrope: maintaining price stability while avoiding a tech sector slowdown,” said Dr. Michael
