> For the complete documentation index, see [llms.txt](https://docs.wingmantracker.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wingmantracker.com/wingman-concepts/all-metrics-and-terms/underlying.md).

# Underlying

The stock or future that an instrument belongs to (SPY, /ES, etc). An Underlying can group together multiple Positions.

![JNJ is an Underlying that is housing 2 Positions](https://1795650986-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Lg9dbfcyvLDJeTNgFg6%2F-Lo3FTmtYcCCLrxhGKch%2F-Lo3K1ROb14dPHSKmlOe%2FScreen%20Shot%202019-09-05%20at%2010.06.52%20PM.png?alt=media\&token=a7b10681-2991-4252-b7a8-f4d5b2e5b319)