The Financial institution of Korea has warned that concentrated and leveraged trades linked to Samsung Electronics and SK Hynix might enhance financial-market volatility if demand for synthetic intelligence chips weakens.
Financial institution of Korea’s September financial coverage report, revealed on Sept. 10, examined the nation’s semiconductor-led enlargement alongside rising asset costs, family borrowing and altering circumstances in abroad monetary markets.
Financial institution of Korea connects AI chip trades to market danger
Samsung Electronics and SK Hynix now account for almost half of the Kospi’s market capitalization, in accordance with the central financial institution’s evaluation reported by the Wall Road Journal. Their earnings and share costs have turn into carefully tied to world spending on AI infrastructure.
The focus provides each firms an unusually giant affect over South Korea’s benchmark index. Value strikes within the two chipmakers can have an effect on index funds, derivatives, retirement portfolios and structured merchandise linked to the Kospi.
Abroad leverage has created one other channel. The worth of Hong Kong-listed leveraged exchange-traded merchandise tied to Samsung and SK Hynix elevated greater than twentyfold through the first half of 2026, the Wall Road Journal reported.
Such merchandise use derivatives to multiply the each day return of an underlying inventory. A two-times lengthy fund seeks twice the each day achieve, whereas an inverse product can rise when the referenced share falls.
Day by day rebalancing can require fund operators to purchase into rising markets and promote throughout declines. The Financial institution of Korea warned that speedy changes by giant merchandise might reinforce value actions and transmit volatility between abroad buying and selling venues and Seoul.
A number of merchandise reportedly used leverage of as much as 4 instances whereas opening and shutting positions related with world memory-chip firms. The central financial institution didn’t determine an instantaneous failure or announce enforcement motion towards a selected fund.
South Korean authorities have already responded to volatility linked to single-stock merchandise. The federal government introduced proposed restrictions in July that might cap a person’s allocation to leveraged single-stock ETFs at 20% of funding property.
The deliberate guidelines adopted sharp adjustments in home expertise shares and compelled changes by leveraged funds. Authorities haven’t mentioned the restrictions will take away all market dangers tied to abroad merchandise.
Semiconductor dependence extends past the Kospi
South Korea’s semiconductor trade provides high-bandwidth reminiscence and superior dynamic random-access reminiscence utilized in AI accelerators. Samsung, SK Hynix and U.S.-based Micron are the primary large-scale suppliers of superior reminiscence merchandise.
Nvidia, AMD and main cloud operators depend on such elements for AI servers. Demand from Microsoft, Alphabet, Amazon, Meta and Oracle has supported Korean chip exports, manufacturing unit funding and company earnings.
Throughout some months in 2026, semiconductors represented greater than 40% of South Korea’s merchandise exports, in accordance with studies citing customs and central-bank information. The precise share adjustments with chip costs, cargo volumes and demand for different Korean exports.
SK Hynix has benefited from high-bandwidth reminiscence demand, whereas Samsung has expanded manufacturing and sought approval for newer AI reminiscence merchandise. Firm forecasts stay uncovered to buyer orders, manufacturing yields and adjustments in reminiscence costs.
Samsung and SK Hynix have introduced shareholder-return plans totaling greater than 130 trillion received, or roughly $97 billion, for 2026. Reuters reported that the plans are supported by money generated through the AI-related reminiscence increase.
Investor response to the payouts was restrained as a result of some shareholders continued to hunt governance adjustments and share repurchases. Analysts cited by Reuters described the earnings good points as depending on a cyclical trade.
The businesses rejected a separate proposal from Korea Electrical Energy Corp. looking for 25 trillion received, or near $18.7 billion, upfront funds for electrical energy infrastructure serving deliberate chip manufacturing clusters, Reuters reported.
A doc submitted to a South Korean lawmaker confirmed that KEPCO had proposed utilizing the cash to safe energy capability for future semiconductor amenities. The 2 chipmakers didn’t settle for the requested financing construction.
GDP figures require a real-versus-nominal distinction
The 21.9% determine cited in some studies issues nominal financial measurements and shouldn’t be offered as South Korea’s inflation-adjusted development fee. Actual GDP, which adjusts for value adjustments, grew much more slowly.
South Korea’s actual GDP expanded 0.6% from the earlier quarter through the second quarter of 2026. Nominal GDP rose 26.4% from one yr earlier as increased semiconductor export costs improved the nation’s phrases of commerce.
The GDP deflator, which measures value adjustments throughout domestically produced items and companies, elevated 21.9%. Improved export costs can raise nominal output and nationwide revenue with out indicating a comparable rise within the quantity of products and companies produced.
Throughout the first quarter, actual GDP grew round 3.6% yr over yr, in accordance with ING analysis. The quarter-on-quarter enhance reached 1.7%, supported by exports, funding and home spending.
The Financial institution of Korea raised its full-year actual GDP development forecast from 2% to 2.6%. The central financial institution attributed a lot of the revision to semiconductor exports related with world AI funding.
Consequently, forecasts of three.3% to three.5% development cited within the provided report aren’t the Financial institution of Korea’s present official full-year projection. The September financial coverage report says financial development is “anticipated to stay strong,” however the determine revealed by the central financial institution is 2.6%.
The financial institution raised its inflation forecast from 2.2% to 2.7%. Core inflation, which removes some unstable elements, is forecast at 2.4%.
After consecutive will increase, South Korea’s coverage fee stands at 3%. The central financial institution lifted it from 2.5% throughout its July and August conferences as inflation and financial-stability issues intensified.
A reversal in AI spending might attain different markets
The Financial institution of Korea examined how a discount in world AI spending might have an effect on semiconductor orders, Korean exports and home asset costs. It didn’t predict a particular date for a downturn.
Some central-bank evaluation advised world AI funding development might attain its quickest tempo earlier than the top of 2026. A later slowdown stays a state of affairs, not a confirmed spending plan from expertise firms.
Vendor financing varieties a part of the financial institution’s concern. Beneath such preparations, {hardware} suppliers or associated finance firms assist clients buy chips and computing tools, which may help gross sales whereas rising credit score publicity.
The financial institution in contrast sure financing patterns with practices seen through the dot-com interval. Particular-purpose automobiles used for information middle tasks can place debt exterior the primary working firm’s immediately reported borrowings, relying on the authorized and accounting construction.
Its report didn’t declare each AI financing association is unsafe. The warning centered on leverage, market focus and the chance that decrease anticipated returns might trigger lenders and traders to cut back publicity on the similar time.
China presents a separate supply of competitors. Home producers are investing in reminiscence chips and chipmaking tools, although manufacturing capability and technical efficiency differ between firms.
A sooner Chinese language advance might stress Korean chip costs or market share, in accordance with analysts. No verified proof exhibits that China has already displaced Samsung or SK Hynix in large-scale superior HBM provide.
Crypto.information beforehand reported that issues over AI spending and Chinese language chipmaking progress triggered a pointy Kospi selloff in July. SK Hynix fell as a lot as 14%, whereas Samsung dropped as a lot as 13.4% throughout that session.
Crypto-linked derivatives create one other connection. Lighter launched on-chain perpetual contracts tied to Samsung, SK Hynix and different Korean property with leverage reaching 10 instances, in accordance with its February announcement.
Such contracts don’t characterize possession of the underlying Korean shares. Their costs reference the property whereas merchants put up collateral and settle good points or losses via the platform.
The Financial institution of Korea will evaluation additional fee will increase
The central financial institution mentioned it would decide the timing and tempo of additional will increase after inspecting inflation, financial exercise and financial-stability circumstances. Its subsequent scheduled financial coverage choice is due Oct. 22.
A board member mentioned on Sept. 10 that policymakers should assess the consequences of the 2 earlier will increase earlier than deciding how shortly to tighten once more, Reuters reported.
Housing costs and family borrowing stay a part of that evaluation. The September report mentioned home-price will increase within the Seoul metropolitan space and family mortgage development have been accelerating.
Change-rate circumstances present one other enter as a result of adjustments in U.S. rates of interest can have an effect on the received, imported inflation and overseas funding flows. The Financial institution of Korea mentioned future choices would stay depending on incoming financial and market information.
FAQs
Did South Korea’s actual financial system develop 21.9%?
No. The determine issues nominal measurements and value adjustments, not inflation-adjusted financial development. Actual GDP grew 0.6% quarter over quarter within the second quarter.
Why is the Financial institution of Korea involved about AI chip shares?
Samsung and SK Hynix characterize almost half of the Kospi’s capitalization. Massive leveraged merchandise linked to their shares can reinforce market strikes via each day shopping for, promoting and rebalancing.
Are Samsung and SK Hynix the one HBM suppliers?
No. Micron provides superior reminiscence merchandise from the U.S. Samsung and SK Hynix stay two of the primary large-scale producers serving world AI infrastructure firms.
Has the Financial institution of Korea ordered buying and selling restrictions?
The financial coverage report didn’t announce a ban. South Korean authorities individually proposed limits on particular person publicity to leveraged single-stock ETFs after sharp market swings.
When is the subsequent Financial institution of Korea fee choice?
The central financial institution’s subsequent scheduled financial coverage assembly is Oct. 22, when officers will rethink inflation, development, family debt and financial-market circumstances.
