South Korea markets: One more rate hike, KRW consolidation, and KOSPI recovery
KTB curve to bull-steepen, KRW to consolidate, KOSPI to resume rise.
Group Research - Econs28 Aug 2026
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The Bank of Korea delivered a back-to-back rate hike to 3.00% at its August 27 policy meeting, in line with DBS expectations. At the press conference, Governor Shin described the consecutive rate hikes as pre-emptive measures to contain inflation and a strong signal to markets. He also expressed comfort with the recent recovery in the KRW, which should help alleviate imported cost pressures. The forward guidance suggests that the hiking cycle is not over. In the six-month rate projection, 10 of the 21 dots are concentrated at 3.25%, while five are at 3.00% and six at 3.50%. Separately, in its quarterly economic outlook, the BOK significantly upgraded its 2026 and 2027 GDP growth forecasts to 3.3% (from 2.6%) and 2.9% (from 2.1%), respectively. We comfortably maintain our forecast for the BOK to hike rates by another 25bps in 4Q, bringing the base rate to a terminal level of 3.25% by year-end. We also revise up our 2027 CPI forecast to 2.7% (from 2.1%), taking into account lingering energy price uncertainties, recovering domestic demand, upstream cost pass-through, and improving downstream pricing power.

We expect the KTB curve to bull-steepen. The belly is likely to be the sweet spot in our view. At the short end, 3Y KTB yields should decline as the market prices out some of the hikes. The swap market is currently pricing more than 50bp of hikes over the next 12 months, versus our expectation of just one more 25bp hike. In the belly, 5Y yields should also benefit from a repricing of rate-hike expectations, while being less exposed to the rise in global term premium. At the long end, 10Y KTB yields face more conflicting forces. Rising term premium, amid higher global and domestic fiscal spending as well as accelerating AI-related bond issuance, should partly offset the impact of lower BOK rate-hike expectations and potential inflows from debasement trades.

KRW is expected to consolidate. The sharp decline in USD/KRW from around 1,550 to 1,380 over July-August has significantly outpaced the decline in the DXY. USD/KRW showed a positive correlation with the KOSPI during this period, which underwent a sharp correction since July, likely triggering the unwinding of FX-hedged positions by foreign investors. Meanwhile, SK Hynix’s July ADR issuance potentially resulted in up to USD28bn of funds being repatriated to Korea. Fundamentals supporting the KRW appear stable. KRW-USD interest rate differentials remain broadly stable, as BOK rate hikes offset potential Fed tightening. Korea’s trade surplus also remains steady, with export growth offsetting higher energy import costs.

KOSPI is poised for a recovery. The margin loan balance fell to KRW28.9tn in July, 20% below the peak of KRW38tn in May, suggesting a significant reduction in leverage. The investor composition has improved: the share of retail investors in KOSPI turnover fell to 31.4% in July from 39.3% in May, while the shares of foreign investors and domestic institutional investors rose to 39.2% from 35.9% and 28.6% from 23.8%, respectively. Valuations have also improved, with the average KOSPI P/E ratio falling to 19x in July from a peak of 29.3x in May.

Ma Tieying 馬鐵英, CFA

Senior Economist - Japan, South Korea, & Taiwan 經濟學家 - 日本, 南韓及台灣
[email protected]

Samuel Tse 謝家曦

Rates Strategist - Asia 利率策略师 - 亚洲
[email protected]



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