When the Federal Open Market Committee (FOMC) wants to raise the target range for the fed funds rate, it raises the interest on reserve balances (IORB) paid to banks, the primary credit rate offered to banks, and the award rate paid to participants that invest in the overnight reverse repo (ON RRP) market to keep the fed funds rate within the target range (see prior Liberty Street Economics posts on this topic). When these rates change, market participants respond by adjusting the valuation o...