Bank of Korea raises base rate to 3.00% in back-to-back hike
Question
Bank of Korea raises base rate to 3.00% in back-to-back hike
Direct answer
Higher Korean rates support the KRW and pressure rate-sensitive assets such as KTB futures, while the upgraded growth view and semiconductor-export strength are supportive for KOSPI and semiconductor names including SK Hynix.
- Original publisher
- Market Ontology
- Evidence through
- 2026-08-27
- Published
- 2026-10-20
- Revision
- 1 · 2026-10-20
Cite as: Market Ontology, “Bank of Korea raises base rate to 3.00% in back-to-back hike”, revision 1, evidence through 2026-08-27. https://marketontology.com/market-events/2026-08-27/bank-of-korea-raises-base-rate-to-3-00-in-back-to-back-hike-9ba37b
How this development reaches the affected companies
| Asset | Exposure and channel | Direction | Evidence |
|---|---|---|---|
| KRW | a higher policy rate and tighter stance typically support the currency through wider carry | Up1-5d | BoK raised the base rate to 3.00% and described the move as pre-emptive |
| KTB | a surprise-tightening or hawkish hike lowers bond prices by lifting expected short rates | Down1-5d | BoK delivered a second consecutive 25 bp hike |
| KOSPI | the upgraded growth outlook and semiconductor-led export momentum can offset some rate-headwind for equities | Up1-5d | BoK raised 2026 GDP growth forecast to 3.3% and cited robust semiconductor exports |
| SK HYNIX | firmer AI-driven semiconductor demand and positive sector momentum support memory-chip makers | Up1-5d | sources linked Korea's stronger growth forecast to robust semiconductor exports tied to AI infrastructure demand |
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What happened next
| Asset | Call | Base close | +1 day | +5 days | +20 days |
|---|---|---|---|---|---|
| KTB | Downagreed | 76.48 2026-08-27 | +0.67% | -3.67% | -14.53% |
Closing prices from stored daily bars; returns measured from the last close on or before the event date. Not a recommendation.
Sources
Related
- 2026-10-21Bank of Korea holds its benchmark rate at 3.00% after two consecutive hikesKOSPI KTB 3Y USD/KRW
- 2026-10-20South Korean data-centre infrastructure company Elice plunges 32% in its Seoul trading debutKORU KOSPI SOX
- 2026-10-20South Korea reports September exports reaching a record $121 billion as semiconductor demand drives growth005930.KS KOSPI KRW
- 2026-10-20South Korean stocks suffer their steepest reported regional decline as investors retreat from technology sharesKOSPI KRW SAMSUNG ELECTRONICS
- 2026-10-20Taiwan reports September export orders of $114.21 billion as AI-chip demand drives technology ordersKRW TAIEX TSM
- 2026-10-19South Korea's Kospi extends its technology-led selloff with a 1.6% declineKOSPI KRW/USD
- 2026-10-19South Korean President Lee Jae-myung orders a policy review to restore normal trading conditions in the stock marketKOSPI KRW
- 2026-10-18Bank of Korea schedules October policy decision as markets assess whether to change its 3% base rateKOSPI KRWUSD KTB 3Y
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