The Central Bank of Taiwan published its May 2026 summary of the interbank call loan and commercial paper markets, showing a modest rise in short-term funding rates and stronger interbank call market activity. The weighted average overnight call loan rate was 0.825%, up 0.002 percentage points from April 2026. Interbank call loan turnover increased 5.08% to TWD 2,414.8 billion, and the daily average outstanding balance rose 3.88% to TWD 492.4 billion. Domestic banks remained the main participants in the call loan market, accounting for 52.95% of borrowing and 81.24% of lending. In commercial paper, the preliminary average rate on paper with a maturity of 1 to 30 days rose to 1.84% in the primary market and 1.59% in the secondary market, up 0.11 and 0.17 percentage points respectively from April 2026. Outstanding short-term bills in the TDCC Bills Clearing and Settlement System reached TWD 4,348.4 billion at end-May, including TWD 4,149.8 billion of commercial paper, while total short-term bill turnover fell 0.58% to TWD 5,282.8 billion and commercial paper turnover edged down 0.05% to TWD 4,903.4 billion.