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Totally weird! In a 20 year daily HCSG download only those days show NULL. Most downloads are OK and a few have these nulls. No clue as to why. I'm not the only one


You appear to be correct that each of these ticker symbols are missing years worth of historical data. I tried to download 5 years of data for each symbol and none of them would download any data earlier than late 2014. Of the data that did download many including SHY, VDC and VNQI have hundreds of dates with zeroes/null price data. I have included the inception dates below for each ETF/Mutual Fund so data should be available for download back to near those dates. It seems like YF has some pretty serious problems with preventing their historical data from being corrupted especially that you stated above that these tickers used to work.

I downloaded SHY and VDC, NO problem!


Denny Schlesinger
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