This is an article about CCP volumes and market share in the IRD. It discusses volumes for major currencies and regions. It also details CCP market share. USD OIS swaps are the highest on record. EUR OIS volumes are also at a record high. The combined EUR IRS and OIS volume is almost equal to the USD OIS volume. AUD swaps are down from a year earlier. CCP market share is dominated by LCH with some exceptions.