Dear Readers, Starting this September, we are tracking trade volumes for major IBORs and risk-free rates (RFRs), including SOFR, SONIA, SARON and TONA. Please see benchmark data below. This data covers only trades reported to DTCC and Bloomberg SDRs, which are required to be disclosed under US regulatory guidelines. Interest Rate Derivatives 2018 YTD vs. 2017 YTD…