Tag Archives: QQQQ

Another Down Day for the Market?

Most stock market indices found support at their 30-day simple moving average on Thursday, April 14, 2011. This was also true for several ETFs, including DIA and QQQQ.

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QQQ Closing Price Change was +0.25% Today, Friday, March 25, 2011, not +2.02%

A friend called me right after the market close today and asked me why QQQ moved up +2.02% although QLD was up just +0.25%. To make a long story short, this is because some data vendors (ex. Yahoo! Finance) have … Continue reading

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SPY and QQQQ Probability for an Up Day – Wednesday, February 23, 2011

After a sizeable drop like yesterday’s, it is natural for traders to wonder if the negative momentum will continue  next day or there will be an up day. Based on historical data for SPY (since 01/1997) and QQQQ (since 01/2000), the probability … Continue reading

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Who Needs the Trading Day? Part Two

I already demonstrated in another article the flaws in the Bespoke study about buying SPY at the close and selling it on the next open. Basically, that study did not account for commissions and this effect alone completely changed the picture … Continue reading

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