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I am a basic member. I am aware that Stockcharts.com receives Market Data from IDC Corp-which is a well known and accurate Market Data source.
However, I have lately been comparing the Daily New Highs & New Lows data from the Stockcharts.com "DecsionPoint" charts; ie, !NewHiSML and others, to Pinnacle Data Daily New High and New Low Data which comes from S&P/Dow Jones Market Data. Pinnacle Data supplies Stockcharts.com with Futures Data and I trust this source. However, from what source does the Market Data on the Stockcharts.com DecsionPoint charts originate?
Thank you for any information you could provide on this issue.