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Double Bottom rule Rate this Topic:
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giomorales
Posted : Friday, February 13, 2009 6:31:22 PM
Registered User
Joined: 3/12/2007
Posts: 10
Could you please explain the parameters used on the Double Bottom rule?

PatternPeriod
LowTightnessPercentage
NewLowPeriod
BouncePercentage
BarsSinceSecondBottom

I have tried many different combinations when scanning US Common Stock but have come up empty so far.

Also, could you share a similar rule for a Double Top?

Thanks for your help.

Gio
Bruce_L
Posted : Monday, February 16, 2009 1:08:54 PM


Worden Trainer

Joined: 10/7/2004
Posts: 65,138
The Double Bottom RealCode Rule is a result of experimentation by Craig. Here's the information he gave me on these settings:

'# PatternPeriod = userinput.integer = 30
(number of bars the pattern should form in)
'# LowTightnessPercentage = userinput.single = 2
(How close the two bottoms in the pattern should be to each other)
'# NewLowPeriod = userinput.integer = 100
(Period of the first new low)
'# BouncePercentage = userinput.single = 20
(How big the rally between the bottoms should be)
'# BarsSinceSecondBottom = userinput.integer = 5
(bars between the two bottoms)

There is nothing similar for a Double Top in the Web Library.

-Bruce
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naliga
Posted : Tuesday, February 17, 2009 12:39:27 PM
Registered User
Joined: 7/27/2008
Posts: 4
Hopefully this will be easier to scan for when the P&F charting functionality is updated.
LVJ
Posted : Monday, April 20, 2009 11:16:47 PM
Registered User
Joined: 11/18/2008
Posts: 7
Bruce, I too would like to have the ability to scan for Double Top and Double Bottoms in the price (or almost DT or DB's in Price) with a divergence on the MACD indicator.  How could I go about creating a scan to check for almost DT/DB with MACD divergence against a group of stocks in my watchlist?
Thanks - Luther
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