The Fed would like the ON RRP to play a bigger role in its rate control framework, but the ON RRP has been and will always be a very leaky floor for money market rates. From 2016 to early 2018, Treasury bills and agency discount notes consistently traded several basis points below the ON RRP. Today, even tri-party GC repo is occasionally dipping below the floor. The floor will only get leakier as money floods into the front end: QE continues to pour $120b a month into the banking system, the TGA continues to decline, and banks continue to shed low quality deposits. In this post we review how the ON RRP transmits policy rates, why the global nature of the dollar system means it will always be a leaky floor, and why even a ON RRP rate adjustment may not protect the 0 percent lower bound.

The ON RRP has been a very leaky floor for money markets
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