- The Fed's massive quantitative tightening campaign has had limited effect on the market.
- That's as private sector participants have taken over its role in the Treasury market.
- But banking reserves are still at risk if money market funds stop buying T-bills.
Since the Federal Reserve began cutting down the size of its balance sheet last year, the central bank has allowed about $1 trillion of its debt holdings to run off, but it's so-called quantitative tightening program hasn't rattled the market the way many feared it would.