> For the complete documentation index, see [llms.txt](https://deriverse.gitbook.io/deriverse/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://deriverse.gitbook.io/deriverse/instrument-derivatives-universal-schedule.md).

# Instrument Derivatives Universal Schedule

Instrument Derivatives operate on a single schedule.

### 7-days Duration Derivatives

There are 2 types of 7-days Duration Derivatives at any given time, i.e. one expiring on Mondays and one expiring on Wednesdays.

### 28-days Duration Derivatives

There are 4 types of 28-days Duration Derivatives at any given time, expiring on Fridays.