Lollipop
Compare signed values through stems and endpoints.
Use a lollipop for a small set of values measured from a common zero baseline. Endpoint position and stem length represent the original value.
Named series contain stable id/x/y points, with finite signed values or null. Zero keeps its endpoint and accessible navigation. X can be category, number or UTC time.
options.layout.markerRadius controls glyph radius from 1 to 16 logical points, default 4. Shared detail, axes, legend, labels, references and viewport are supported. Stacking, curve/gaps overrides, line-marker controls and point overrides are rejected.