The rule will impose new limits on the trading activities of Wall Street.
Obama hailed approval of final rules implementing core piece of Dodd-Frank reform law.
The Commodity Futures Trading Commission will vote on the rule behind closed doors.
The SEC is the only agency that will consider the matter privately.
CFPB Director Richard Cordray defended the effort on Thursday and promised that the bureau would be “vigilant“ in enforcing the “back to basics” regulations for mortgage lenders and servicers.
A bipartisan pair of senators told Treasury Secretary Jack Lew Thursday that it was too soon to take a “victory lap” on ending “too big to fail.”
The banking regulations, a pillar of the Obama administration's financial reform overhaul, are due out next week.
"I believe we will meet that test," Treasury Secretary Jack Lew said on Thursday.
A trio of financial industry groups have filed a lawsuit against the Commodity Futures Trading Commission, pushing back against new rules aimed at cracking down on derivatives abroad.
The Dodd-Frank provision has been plagued by delays.