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batcave
Posted : Tuesday, May 27, 2008 1:05:08 AM
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Joined: 3/22/2005
Posts: 7
Hi, I am trying to put together a scan that will find say the 20 most volatile stocks, and haven't been able to figure it out.

Any suggestions?  Thanks.
Craig_S
Posted : Tuesday, May 27, 2008 6:49:16 AM


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Joined: 10/1/2004
Posts: 18,819
20 out of what group?

How do you want to measure volatility and over what time frame?

- Craig
Here to Help!
batcave
Posted : Tuesday, May 27, 2008 4:02:41 PM
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Joined: 3/22/2005
Posts: 7
QUOTE (Craig_S)
20 out of what group?



How do you want to measure volatility and over what time frame?

I think volatility over a 6 month period.  I am unaware of different measures of volatility, would welcome any reference you may have on that.  Thanks.
Craig_S
Posted : Tuesday, May 27, 2008 4:19:03 PM


Worden Trainer

Joined: 10/1/2004
Posts: 18,819
Give me a sense of what you think makes a stock "volatile".  I can try to move from there.

- Craig
Here to Help!
batcave
Posted : Tuesday, May 27, 2008 5:06:46 PM
Registered User
Joined: 3/22/2005
Posts: 7
QUOTE (Craig_S)
Give me a sense of what you think makes a stock "volatile".  I can try to move from there.

I would imagine a stock that moves on average 5 percent a day vs stocks that move 1 percent a day.  Stocks that would generate larger than average option premiums.
Craig_S
Posted : Wednesday, May 28, 2008 7:22:31 AM


Worden Trainer

Joined: 10/1/2004
Posts: 18,819
Great!  Let's try ranking your stocks by their average absolute daily percent changes.

Create this PCF:

Avg Percent Change 2-weeks

100*((ABS(C-C1)/C1)+
(ABS(C1-C2)/C2)+
(ABS(C2-C3)/C3)+
(ABS(C3-C4)/C4)+
(ABS(C4-C5)/C5)+
(ABS(C5-C6)/C6)+
(ABS(C6-C7)/C7)+
(ABS(C7-C8)/C8)+
(ABS(C8-C9)/C9)+
(ABS(C9-C10)/C10))/10

Once created and calculated sort any of your WatchLists by it and let me know what you think.

Here are two videos to review: How to create a Personal Criteria Forumula (PCF)
Create your own stock rankings using WatchLists and Sort conditions

- Craig
Here to Help!
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