calendar_open_today

FreeValueStandardPro

Check whether the market is open today and retrieve the current day's trading schedule, including open/close times and any early close indicators.

Code Example

Rust

let days: Vec<CalendarDay> = tdx.calendar_open_today().await?;

Python

result = tdx.calendar_open_today()

Go

result, err := client.CalendarOpenToday()
if err != nil {
    log.Fatal(err)
}

C++

auto today = client.calendar_open_today();

Parameters

None.

Response

Returns a Vec<CalendarDay> with market status fields:

is_openbool

Whether the market is open today

open_timeu32

Market open time (milliseconds from midnight ET)

close_timeu32

Market close time (milliseconds from midnight ET)

early_closebool

Whether today is an early close day

dateu32

Today's date as YYYYMMDD integer

Notes

• Call this at application startup to determine if live data will be available.
• On holidays, is_open will be false.
• On early close days (e.g. day before Thanksgiving), close_time will be earlier than the standard 4:00 PM ET.
• Reflects NYSE trading hours only.