Glossary

Federal funds rate

Also called US policy rate, Fed funds target

The rate at which US banks lend each other overnight money; the Fed sets a target range for it, and that range is the US policy rate.

How do the target range and the effective rate differ?

The FOMC sets the federal funds rate as a range whose lower and upper limits are 0.25 percentage points apart, not as a single number. The US policy rate in the news is this target range.

The volume-weighted average of actual trades is the effective federal funds rate (EFFR), published daily by the New York Fed. It usually sits inside the target range.

Whalegun's economic data page shows the target range as a step chart and the effective rate's path.