Despite the storm, on October 31st, the Federal Reserve Bank of NY released their monthly statistics of the U.S. tri-party repo market.
In the past month, the total collateral in the U.S. tri-party repo market fell by less than a percent, to $1.86 trillion. The share of collateral by asset group remained relatively constant. U.S. Treasuries (excluding strips) as collateral in tri-party repos fell by $16 billion and their share of U.S. tri-party repo collateral fell by 0.7%. Agency MBS, equities, and corporates increased their shares of U.S. tri-party collateral the most, by 0.4%, 0.4%, and 0.2% respectively.
Haircuts remained stable, with almost no changes in any asset group.
The statistics are available here