Missing decimals in the code - some suggestions?
Terry Jan Reedy
tjreedy at udel.edu
Tue Apr 16 14:37:40 EDT 2013
On 4/16/2013 2:02 PM, hmjeltevik at gmail.com wrote:
> Hi!
>
> I am using ystockquote with the following code:
>
> def get_historical_prices(symbol, start_date, end_date):
> """
> Get historical prices for the given ticker symbol.
> Date format is 'YYYYMMDD'
>
> Returns a nested list.
> """
> url = 'http://ichart.yahoo.com/table.csv?s=%s&' % symbol + \
> 'd=%s&' % str(int(end_date[4:6]) - 1) + \
> 'e=%s&' % str(int(end_date[6:8])) + \
> 'f=%s&' % str(int(end_date[0:4])) + \
> 'g=d&' + \
> 'a=%s&' % str(int(start_date[4:6]) - 1) + \
> 'b=%s&' % str(int(start_date[6:8])) + \
> 'c=%s&' % str(int(start_date[0:4])) + \
> 'ignore=.csv'
> days = urllib.urlopen(url).readlines()
> data = [day[:-2].split(',') for day in days]
> return data
>
> This code prints the data, but only 2 decimals. I need to print out 4 decimals.
As far as I know, prices are only defined to the nearest penny* (2
decimals) so I don't know what more you expect.
*Not too long ago, prices were in 1/8ths of a dollar. Market makers
complained about decimalization because it would squeeze the spread that
they profited from -- which it did.
> print ystockquote.get_historical_prices('EURUSD=X','20120101','20120301')
>
> Some suggestions?
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