One of the most popular sources of free financial data is Yahoo Finance. Format = 'dd-mm-yyyy' figure, plot ( tscomb ) legend ( symbols, 'interpreter', 'none', 'Location', 'best' ) covMat = corrcoef ( marketData ) covMat ( eye ( 8 ) = 1 ) = 0 figure, heatmap ( covMat, 'Colormap', parula ( 3 ), 'ColorbarVisible', 'on' ) ax = gca ax. This means that the prices we downloaded from two vendors will most likely. std ( marketData ) normalizedPrice = normalizedPrice - normalizedPrice ( 1 ,: ) tscomb = timeseries ( normalizedPrice ) tscomb. Historical prices usually don't go back earlier than 1970. If the data requested is beyond the range of historical prices available through Yahoo Finance, all available data within the range is displayed. To access historical data, we need to get to the quote page dedicated to the particular security we are looking for. It may look a little different on your device, but the key sections will most likely always be there. Data end marketData ( isnan ( marketData ) ) = 0 % In case resample ( ) introduced NaNs normalizedPrice = ( marketData - mean ( marketData ) ). Historical data can be downloaded as a CSV file to be used offline, which you can open with Excel or a similar program. Go to Yahoo Finance homepage: At the moment and on my computer it looks like this. Date ) ) tsout = resample ( ts ( k ), ts ( 1 ). Yahoo Finance breaks down the markets, data and the real-life financial issues for individual inv. Clear marketData initDate = datetime ( addtodate ( datenum ( today ) ,- 1, 'year' ), 'ConvertFrom', 'datenum' ) symbols =, initDate ) ts ( k ) = timeseries ( data. Business news for everyone from Wall Street to Main Street.

Download www yahoo finance