Wematch hosted the swap between Societe Generale and LBBW.
Regulatory changes and the final phases of the uncleared margin rules have boosted clearing.
The exchange will launch more ESG futures in other regions and markets in early March.
The exchange is expanding its market technology clients beyond traditional capital markets.
Trading volume outside North America was driven by equity and interest rate products.
India's NSE passed CME as the world's largest exchange by trading volume.
Authorities have identified 2 March 2020 as an appropriate date for changing interest rate swaps.
More asset managers will fall under the uncleared margin rules over the next two years.
The platform provides buy-side clients with access to an alternative liquidity pool for interest rate swaps.
