In Q1 2019, “IRD traded notional referencing alternative RFRs, including SOFR, SONIA, SARON and TONA, totaled $1.8 trillion and represented 2.5% of total IRD traded notional. The number of trades referencing alternative RFRs was 3,088, which accounted for 0.8% of total IRD trade count. TONA traded notional totaled $42.0 billion, including $1.0 billion of basis swaps.”
ISDA announced it will continue to monitor trading volumes of IRD referencing alternative RFRs and major interbank offered rates (IBORs),