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Allan Kaminsky wrote:
> For an example, let's say I have a one minute chart on
> MSFT. If I open a data window, I see date, time, OHLC,
> and volume listed in 2 different columns: 'U', 'D'
> (presumably up and down).
>
> Now, let's say I go into the edit tick window for MSFT,
> make an ASCII file of the tick data, and then open that
> in Excel, for convenience.
>
> The total of the U and D columns does indeed equal the
> sum of the tick volumes. However, I am very hard-pressed
> to see how the assignment to the 'U' or the 'D' category
> is made.
>
> Does anyone have the definitive answer to this?
U and D do stand for Up and Down. The Up tick column contains counts of the
number of price quotes that were higher than previous price quotes during
the bar interval. The Down tick column contains counts of the number of
price quotes that were lower than previous price quotes during the bar
interval.
-Bob Brickey
Scientific Approaches
sci@xxxxxxxxxx
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