yql - Yahoo Finance API reports incorrect quotes (so it seems) -

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i retrieving quotes yahoo finance today, , received strange values. consider following query:

http://query.yahooapis.com/v1/public/yql?q=select%20date%2c%20open%20from%20yahoo.finance.historicaldata%20where%20symbol%20%3d%20%22jah%22%20and%20startdate%20%3d%20%222013-03-1%22%20and%20enddate%20%3d%20%222013-04-10%22&diagnostics=true&env=store%3a%2f%2fdatatables.org%2falltableswithkeys

which retrieves quotes jarden corporation, starting @ 2013/03/01, 2013/04/01. @ dates 2013/03/18 , 2013/03/19, there sudden price drop of 20 dollars. price drop not visible on yahoo finance website (http://finance.yahoo.com/echarts?s=jah+interactive#symbol=jah;range=1y), or other financial source matter.

therefore, think quote data has wrong. fun fact if take price retrieved api @ 2013-03-18 (the last incorrect price), multiply 2/3, arrive @ price displayed on website (64.24 * 0.6666666667 = 42.16).

does have slightest idea of going on here?

on mar 19, 2013 there 3: 2 stock split

http://finance.yahoo.com/q/hp?s=jah&a=2&b=29&c=1993&d=2&e=26&f=2014&g=d&z=66&y=198

the historical opening price not adjusted dividends , splits


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