SessionInfo

Library "SessionInfo"
Utility functions for session specific information like the bar index of the session.

inSession(spec) Returns true if the current bar is in the session specification.
Parameters:
spec: session.regular (default), session.extended or other time spec.
Returns: True if the current is in session; otherwise false.

minutesToLen(minutes, multiple) Converts the number of minutes to a length to be used with indicators.
Parameters:
minutes: The number of minutes.
multiple: The length multiplier.
Returns: math.ceil(minutes * multiple / timeframe.multiplier)

bar(spec, res) Returns the intraday bar index. May not always map directly to time as a bars can be skipped.
Parameters:
spec: session.regular (default), session.extended or other time spec.
res: The resolution (default = "1440").
Returns: The integer index of the bar of the session.

isFirstBar(spec, res) Returns true if the current bar is the first one of the session.
Parameters:
spec: session.regular (default), session.extended or other time spec.
res: The resolution (default = "1440").
Returns: True if the current bar is the first one of the session.

wasLastBar(spec, res) Returns Returns true if the previous bar was the last of the session.
Parameters:
spec: session.regular (default), session.extended or other time spec.
res: The resolution (default = "1440").
Returns: True if was the last bar of the session.

Informacje o Wersji

v2

Added:
maxBars(spec, res) Returns maximum (usual) number of bars per day.
Parameters:
spec: session.regular (default), session.extended or other time spec.
res: The resolution (default = "1440").
Returns: The max (usual) number of bars per day.

maxMinutes(spec, res) Returns maximum (usual) number of minutes per day.
Parameters:
spec: session.regular (default), session.extended or other time spec.
res: The resolution (default = "1440").
Returns: The max (usual) number of minutes per day.

daysToBars(spec, res) Returns the number of bars equal to the number of days based upon usual session length.
Parameters:
spec: session.regular (default), session.extended or other time spec.
res: The resolution (default = "1440").
Returns: The number of bars representing the number of days.

Informacje o Wersji

v3

Added:
isIn(spec) Returns true if the current bar is in the session specification.
Parameters:
spec: session.regular (default), session.extended or other time spec.
Returns: True if the current is in session; otherwise false.

isBefore(spec, res) Returns true if the bar is before before the session (default = regular) opens.
Parameters:
spec: session.regular (default), session.extended or other time spec.
res: The resolution (default = timeframe.period).
Returns: True if before the session.

isAfter(spec, res) Returns true if the bar is before before the session (default = regular) opens.
Parameters:
spec: session.regular (default), session.extended or other time spec.
res: The resolution (default = timeframe.period).
Returns: True if before the session.

firstBarOfDay(daysBack, spec, res) Returns the number bars in the past to find the first bar of the session of a given day.
Parameters:
daysBack: The number of days in the past to count the bars.
spec: session.regular (default), session.extended or other time spec.
res: The resolution (default = "1440").
Returns: The number bars in the past to find the first bar of the session of a given day.

Removed:
inSession(spec) Returns true if the current bar is in the session specification.

Informacje o Wersji

v4

Added:
lastBarOfDay(daysBack, spec, res) Returns the number bars in the past to find the last bar of the session of a given day.
Parameters:
daysBack: The number of days in the past to count the bars.
spec: session.regular (default), session.extended or other time spec.
res: The resolution (default = "1440").
Returns: The number bars in the past to find the last bar of the session of a given day.

Informacje o Wersji

v6
Fixed bug in array initialization.

Informacje o Wersji

v7
Fixed bug in firstBarOfDay

Informacje o Wersji

v8 Improved timeframe detection and response.

Informacje o Wersji

v9 param name change and improved runtime error messages

Updated:
firstBarOfDay(daysPrior, spec, res) Returns the number bars in the past to find the first bar of the session of a given day.
Parameters:
daysPrior: The number of days in the past to count the bars.
spec: session.regular (default), session.extended or other time spec.
res: The resolution (default = '1440').
Returns: The number bars in the past to find the first bar of the session of a given day.

lastBarOfDay(daysPrior, spec, res) Returns the number bars in the past to find the last bar of the session of a given day.
Parameters:
daysPrior: The number of days in the past to count the bars.
spec: session.regular (default), session.extended or other time spec.
res: The resolution (default = '1440').
Returns: The number bars in the past to find the last bar of the session of a given day.

Informacje o Wersji

v10 Corrected issue with .maxBars()

Informacje o Wersji

v11
Improved performance by using profiler and optimizing where possible.

Added:
isNewDay()
Returns true if the current bar is the first of a new day. Only useful for intraday timeframe.
Returns: True if the current is in session; otherwise false.

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