The Central Bank of Taiwan published April 2026 data on banks' derivatives trading, showing notional turnover fell 18.88% from the previous month to TWD 22,373.8 billion. Foreign exchange contracts remained the main product at TWD 18,708.6 billion, followed by interest rate contracts at TWD 3,449.1 billion. The monthly decline was driven primarily by lower interest rate swap turnover. By risk category, foreign exchange contracts accounted for 83.62% of total turnover and interest rate contracts for 15.42%, while equity-linked, commodity and credit contracts remained small. Contracts involving the New Taiwan dollar made up 45.88% of the total and fell 20.89% month on month, while contracts between foreign currencies represented 54.12% and declined 17.10%. Domestic banks accounted for 73.00% of turnover, with local branches of foreign and Mainland Chinese banks at 27.00%. Compared with the previous month, foreign exchange turnover fell by TWD 1,473.0 billion or 7.30% and interest rate turnover dropped by TWD 3,644.3 billion or 51.38%, while commodity and credit contracts rose modestly. The five largest banks by turnover were CTBC Bank, Cathay United Bank, Bank SinoPac, Standard Chartered Bank, and Taishin International Bank, together accounting for 38.87% of the total.