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Strategies & Market Trends : MDA - Market Direction Analysis
SPY 671.910.0%Nov 14 4:00 PM EST

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To: Bull RidaH who wrote (10056)4/6/1999 10:00:00 PM
From: Vitas  Read Replies (1) of 99985
 
David, in as much as the 1000 net a-d rule is an attempt to filter out
a day that is too strong, I would use the 3-5-99 reading of 9736 -
1152 as the first reading, then the 3/29 - 10006 - 714 as the second, and 4/5 - 10007 - 391 as the third.

On 5-11-90 the net a-d of 943 was 47% of the total 2005 issues traded.

On 3-5-99 the net a-d of 1152 was 32% of the total 3569 issues traded. It was a much weaker day than 5-11-90.

In addition, 5-11-90 had 1282 advances and 339 declines, for
a 3.78 up to down ratio. 3-5-99 was 2079 advances to 927
declines, for a 2.24 up to down ratio, again a weaker day than 5-11-90.

In any event, I don't think you can use 3-25-99 because the Dow
close of 9836 was not "a new high for the move" (from 3-3-99).

Just to take a wild guess, I would think that the "1000" net a-d rule came from Lindsay back in the late 80's or whatever.

It's a mystery.

Vitas
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