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Tools
Each tool calls the live API from your browser and keeps its inputs in the address, so you can share a result.
Market status today
Open, closed or closing early today, across the markets you choose.
Is it a business day?
A date in one or more calendars, with the reason for each.
Settlement date (T+N)
Move N business days across several calendars, and see what was skipped.
Business days between
Count the business days between two dates.
Holidays side by side
Several calendars over a date range, one column each.
What changed
The dates each data release added, removed or changed.