Outgoing CME Group CEO Terrence Duffy said on CNBC’s “Fast Money” on Wednesday afternoon that the exchange operator will sue the Commodity Futures Trading Commission over the agency’s move to approve perpetual futures. The CFTC approved prediction market platform Kalshi in late May to begin offering bitcoin perpetual futures, or “perps.” These are futures contracts that have no expiration date but allow traders to speculate on a price without owning the underlying asset. This approval marked the first time that the asset class, already popular overseas, was allowed in the U.S. Kalshi has since expanded its perps ... (full story)