This program calculates the annualized historical volatility for one or more stocks over a user-specified number of N trading days. The program uses daily closing prices in the calculations. If not specified, the program defaults to N=20 previous trading days.
The user may supply either a single ticker symbol or a cell array of ticker symbols. Using the supplied N, the program will then calculate the historical volatility for each stock.
In order to run the program, the function 'hist_stock_data.m' must be downloaded and stored in the same directory. This function may be found in my MathWorks File Exchange.
Josiah Renfree (2022). Historical Volatility (https://www.mathworks.com/matlabcentral/fileexchange/24811-historical-volatility), MATLAB Central File Exchange. 검색됨 .
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