volarea
Price and volume chart
Description
Examples
Plot Asset Date, Price, and Volume on a Single Axis for a Stock
Load the file SimulatedStock.mat
, which provides a timetable (TMW
) for financial data for TMW stock. This example shows how to plot asset date, price, and volume on a single axis, given asset TMW containing asset price and volume in most recent 21 days. Note that the variable name of asset price is be renamed to 'Price'
(case insensitive).
load SimulatedStock.mat; TMW.Properties.VariableNames{'Close'} = 'Price'; volarea(TMW(end-20:end,:)) title('Price and Volume Chart for TMW')
Input Arguments
Data
— Data for prices and traded volume
matrix | table | timetable
Data for prices and traded volume, specified as a matrix, table, or
timetable. For matrix input, Data
is an
M
-by-2
matrix of prices and traded
volume. Timetables and tables with M
rows must contain
variables named 'Price'
and 'Volume'
(case insensitive).
Data Types: double
| table
| timetable
ax
— Valid axis object
current axes (ax = gca
) (default) | axes object
(Optional) Valid axis object, specified as an axes object. The volarea
plot is created in the axes specified by ax
instead of in
the current axes (ax = gca
). The option
ax
can precede any of the input argument
combinations.
Data Types: object
Output Arguments
h
— Graphic handle of the figure
handle object
Graphic handle of the figure, returned as a handle object.
Version History
Introduced in R2008aR2022b: Support for negative price data
The Data
input accepts negative prices.
R2018a: Support for matrix, time, or timetable input for data
volarea
accepts Data
input as a matrix,
timetable
, or table
.
The syntax for volarea
has changed. Previously, when using
table input, the first column of dates could be a datetime array, date character
vectors, or serial date numbers, and you were required to have specific number of
columns.
When using table input, the new syntax for volarea
supports:
No need for time information. If you want to pass in date information, use timetable input.
No requirement of specific number of columns. However, you must provide valid column names.
volarea
must contain a column named‘price’
(case insensitive).
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