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To: python-list@python.org
From: Terry Jan Reedy <tjreedy@udel.edu>
Subject: Re: Missing decimals in the code - some suggestions?
Date: Tue, 16 Apr 2013 14:37:40 -0400
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On 4/16/2013 2:02 PM, hmjeltevik@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?