The South Korea Financial Supervisory Service published first quarter 2026 data on derivatives-linked securities and bonds showing issuance of KRW19.6 trillion, up KRW3.8 trillion or 24.1% from a year earlier. Redemptions rose faster, increasing KRW7.9 trillion or 62.2% year on year to KRW20.6 trillion. As a result, the outstanding balance at the end of March 2026 fell to KRW93.5 trillion, down KRW1.6 trillion or 1.7% from the end of December 2025. Issuance remained weighted toward derivatives-linked bonds, which totaled KRW12.9 trillion in the quarter, while derivatives-linked securities accounted for KRW6.7 trillion. Within equity-linked products, index-type ELS issuance reached KRW3.8 trillion, while stock-type ELB issuance was the largest ELB segment at KRW5.1 trillion. Among derivatives-linked securities, knock-in products represented 49.3% of issuance, with 97.0% of those carrying a knock-in barrier of 50% or below, while no knock-in products made up 50.7%. Securities companies underwrote KRW3.5 trillion of derivatives-linked securities and KRW4.9 trillion of derivatives-linked bonds, compared with KRW0.9 trillion and KRW3.5 trillion for banks respectively, and retirement pension plans accounted for KRW2.5 trillion of bond underwriting. Annualized returns on redeemed derivatives-linked securities rose to 6.8% from 6.6% a year earlier, while returns on redeemed derivatives-linked bonds fell to 3.5% from 4.4%, with ELS posting the highest return at 8.3%.