What the US government pays to borrow for ten years, as the Treasury publishes it each day. Mortgages, corporate debt and stock valuations are all priced off it.
Hover to inspect recorded values. Click to pin a point; click again to release. Drag between two points to measure the return over that span. Use arrow keys to move, shift with an arrow key to extend a span, Home or End to jump, and Escape to clear.