OTC Clearing recorded strong growth in April 2026, with notional outstanding volumes rising 33 percent year on year to EUR 55,888 billion, up from EUR 41,918 billion in April 2025. The primary growth driver was Overnight Index Swaps, which surged 91 percent compared with EUR 5,075 billion in the prior year. Interest rate swaps also contributed significantly, increasing by 30 percent to EUR 22,870 billion.