> they have already stopped purchasing them as of a week ago To clarify, they are still purchasing securities, but at a rate that does not increase the size of

> they have already stopped purchasing them as of a week ago To clarify, they are still purchasing securities, but at a rate that does not increase the size of their balance sheet. As debt matures, they reinvest the principle in new securities to maintain the size of the balance sheet. When the Fed discusses QT right now, they’re talking about reducing these purchases, so the net impact is a smaller balance sheet. As an aside, it’s possible to get a sense of how much the Fed intends to reduce the size of the balance sheet this year based on Powell’s comments today. He indicated the impact on financial conditions would be roughly equivalent to an extra rate hike. IIRC every $100B is estimated to shift rates by 3bps. At 25bps a hike, the balance sheet reduction would be roughly $800B.