South Korea’s Import Prices YoY Drop Back Into Deflation in January 2026
South Korea’s Import Prices YoY index for January 2026 registered a -1.2% change, according to the latest release from the Sigmanomics database. This marks a sharp reversal from December 2025’s 0.3% increase and falls well below market expectations of 0.8%. The reading highlights renewed downward pressure on import costs, with significant macroeconomic and policy implications as the country navigates a complex global environment.
Table of Contents
Big-Picture Snapshot
South Korea’s import prices for January 2026 fell by 1.2% year-over-year, according to the Sigmanomics database[1]. This compares to a 0.3% YoY increase in December 2025 and a 0.5% rise in November 2025. The January print is the first negative reading since September 2025, when import prices were down 2.2% YoY. Over the past 12 months, the average YoY change in import prices has been -2.1%, with the sharpest declines seen in July 2025 (-6.2%) and August 2025 (-5.9%).
Drivers this month
- Global commodity prices softened, especially energy and industrial metals.
- KRW strengthened against the USD, reducing local-currency import costs.
- Base effects from last year’s price surge faded.
Policy pulse
The Bank of Korea (BoK) has maintained a cautious stance, with the policy rate steady at 3.50%. January’s negative import price print may ease pressure on the BoK to tighten further, especially as headline CPI inflation remains below target.
Market lens
Immediate reaction: KRW/USD firmed 0.1% in the hour after the release, while KOSPI edged up 0.3% as lower import costs buoyed sentiment. Bond yields were little changed, reflecting expectations for steady policy.
Foundational Indicators
Import prices are a key input for South Korea’s inflation outlook and trade competitiveness. January’s -1.2% YoY reading follows a brief period of positive prints (December: +0.3%, November: +0.5%), but is more in line with the deflationary trend seen in mid-2025 (July: -6.2%, August: -5.9%). The 12-month average sits at -2.1%, underscoring persistent downward pressure on import costs.
Drivers this month
- Energy imports: Brent crude prices fell 4% MoM in January, lowering Korea’s energy import bill.
- Electronics components: Global chip prices stabilized, but remained below year-ago levels.
- Shipping costs: Container rates eased, further reducing landed import prices.
Policy pulse
With import price deflation re-emerging, the BoK is likely to keep rates on hold. Fiscal policy remains expansionary, with the government targeting infrastructure and green tech investment to offset external weakness.
Market lens
KRW’s modest appreciation reflects confidence in Korea’s external balances. The KOSPI’s positive move suggests equity investors see lower input costs as margin-supportive for manufacturers.
Chart Dynamics
Drivers this month
- Commodity prices: Oil and metals down MoM, driving broad-based import cost declines.
- Currency: KRW’s 1.5% appreciation vs. USD since December amplified the drop.
Policy pulse
BoK’s inflation target (2%) remains distant, with import price deflation reducing upside risks. The central bank is expected to maintain a wait-and-see stance, monitoring for pass-through to consumer prices.
Market lens
Immediate reaction: KRW/USD rose 0.1%, KOSPI up 0.3%, 2-year KTB yields flat. The muted bond response suggests markets see little near-term policy shift.
Forward Outlook
The outlook for South Korea’s import prices remains highly data-dependent. Global commodity prices, the KRW’s trajectory, and external demand will be key swing factors. The January print increases the likelihood that import price inflation will remain subdued through Q1 2026, barring a sharp rebound in energy or raw materials.
Bullish scenario (25% probability)
Global demand recovers, commodity prices rebound, and import prices turn positive by March 2026. This would support headline inflation and corporate revenues.
Base case (60% probability)
Import prices remain mildly negative or flat through Q2 2026, as global growth stays sluggish and the KRW remains firm. Inflationary pressures stay contained.
Bearish scenario (15% probability)
Global slowdown deepens, commodity prices fall further, and import price deflation accelerates to -3% YoY or worse. Risks to exporter margins and government revenues rise.
Policy pulse
BoK is likely to hold rates steady, with a dovish bias if import price deflation persists. Fiscal support may be ramped up if external shocks intensify.
Market lens
KRW and KOSPI are likely to remain range-bound, with upside for exporters if global demand surprises positively. Bond yields may drift lower if deflation deepens.
Closing Thoughts
South Korea’s January 2026 import price data signals a return to deflation, underscoring persistent external headwinds. While this eases inflation risks and supports real incomes, it also reflects weak global demand and ongoing challenges for exporters. Policymakers are likely to maintain accommodative stances, with a close eye on global commodity trends and geopolitical risks. The next few months will be critical in determining whether this deflationary trend persists or gives way to renewed price pressures.
Key Markets Likely to React to Import Prices YoY
Movements in South Korea’s import prices have direct and indirect impacts on several key financial markets. The KRW/USD exchange rate is highly sensitive to trade price dynamics, while the KOSPI reflects the profit outlook for Korea’s exporters. Global commodity-linked stocks and currencies, as well as crypto assets with strong Asian trading volumes, also tend to react to shifts in Korea’s import cost environment. Below are five tradable symbols whose prices historically track or respond to the Import Prices YoY indicator:
- 005930 – Samsung Electronics: Exporter margins benefit from lower import costs.
- 035420 – NAVER: Domestic tech leader, sensitive to input cost trends.
- KRWUSD – Korean won vs. US dollar: Directly impacted by trade price shifts.
- USDKRW – US dollar vs. Korean won: Inverse of above, key for hedgers.
- BTCUSD – Bitcoin: Often trades as a risk proxy in Asian markets.
| Year | Import Prices YoY (%) | KRWUSD (avg) |
|---|---|---|
| 2020 | -3.1 | 0.00083 |
| 2021 | 5.2 | 0.00089 |
| 2022 | 13.7 | 0.00078 |
| 2023 | 2.4 | 0.00076 |
| 2024 | -1.8 | 0.00075 |
| 2025 | -2.1 | 0.00077 |
KRWUSD tends to strengthen when import price inflation falls, reflecting improved Korea trade balances and lower imported inflation. The relationship is strongest during periods of commodity price volatility.
FAQ: South Korea’s Import Prices YoY for January 2026
Q1: What does the -1.2% Import Prices YoY figure for January 2026 mean?
A1: It means import prices in South Korea were 1.2% lower in January 2026 than a year earlier, signaling renewed cost deflation.
Q2: Why did import prices turn negative after two months of gains?
A2: Falling global commodity prices and a stronger KRW drove the reversal, outweighing earlier base effects.
Q3: How might this affect Bank of Korea policy?
A3: Persistent import price deflation reduces pressure for rate hikes, making it likely the BoK will keep policy steady.
Bottom line: January’s import price deflation is a double-edged sword—good for inflation, but a warning on global demand. Watch for policy signals and commodity moves in the months ahead.
This has been drafted with AI assistance and then thoroughly reviewed, refined, and approved by our human editorial team to ensure accuracy, and originality.
Updated 2/12/26
January 2026’s import price YoY figure of -1.2% marks a notable drop from December’s 0.3% and is well below the 12-month average of -2.1%. This reversal interrupts a two-month positive streak and brings the index back into deflationary territory. Compared to September 2025’s -2.2% and the deep trough of July 2025 (-6.2%), the current reading signals a less severe, but still negative, trend.
Over the last six months, import prices have swung from deep deflation (July-August), to mild inflation (October-December), and now back to contraction. This volatility reflects both global commodity price swings and currency movements. The January print is a clear signal that external price pressures remain subdued, despite recent stabilization.