barstate

Function Name	Description
is_history:bool	Returns true if current bar is a historical bar, false otherwise.
is_new:bool	Returns true if script is currently calculating on new bar, false otherwise.
is_confirmed:bool	Returns true if the script is calculating the last (closing) update of the current bar. The next script calculation will be on the new bar data.
is_realtime:bool	Returns true if current bar is a real-time bar, false otherwise.
is_last:bool	Returns true if current bar is the last bar in barset, false otherwise. This condition is true for all real-time bars in barset.