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Alabama Trader
Posted : Monday, August 20, 2007 11:14:00 PM
Registered User
Joined: 11/8/2004
Posts: 41
 I am trying to find stocks that have just closed above their 20 and 40 day moving average. The following PCF is not getting any hits. Can you tell me what the problem might be?

(((C > AVGC20) AND (C > AVGC40))
AND
((C < AVGC20.1) AND (C < AVGC40.1)))

Thanks

Alabama Trader
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Craig_S
Posted : Tuesday, August 21, 2007 4:22:57 AM


Worden Trainer

Joined: 10/1/2004
Posts: 18,819
 Lets start by cleaning it up... and comparing the close yesterday to the averages yesterday. You were only looking at the closes today.

C>AVGC20 AND C>AVGC40 AND C1<AVGC20.1 AND C1<AVGC40.1

See if this works better for you.
- Craig
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Alabama Trader
Posted : Wednesday, August 22, 2007 4:36:52 PM
Registered User
Joined: 11/8/2004
Posts: 41
 Oops

Thanks for the help.

Alabama Trader

P.S.
It appears that the sequence of execution is from left to right. Is this correct?
What is the hierarchy in a PCF and what role does the parenthesis play in the hierarchy?

Thanks again
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Craig_S
Posted : Wednesday, August 22, 2007 4:39:12 PM


Worden Trainer

Joined: 10/1/2004
Posts: 18,819
 In the case of this PCF the order does not matter.

Here is where it does matter:

PCF 1

(H*L)-C

PCF 2

H*(L-C)

The parenthesis force the L-C to go first in PCF1 and the H*L in PCF2
- Craig
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