4 ms·CBOE (the actual exchange) is about $500 per symbol for EOD + greeks for the entire last ~15 years.by matheweis 9y agoCBOE (the actual exchange) is about $500 per symbol for EOD + greeks for the entire last ~15 years.dsacco 9y agoThanks, but I should have clarified: I meant intraday data like minute quotes or actual trades.brobinson 9y agoHow valuable is EOD data actually? I saw that the CBOE also offers 3:45pm data before the spreads widen up (sometimes drastically) when positions get unwound.