thanks. anything link else? i am finding these materials. but i needed tools or best software.
Not understanding, what exactly, you want to say.
Logic of your id, share here http://www.traderszone.com/chill-out-section/6104-what-logic-behind-your-name-here.html
Value is in Perception, Price not always reflect value.
You might find this useful: Ellman Options Calculator (2011 Version)
I meant to post the following but lost my internet connection:
For a FREE Copy of the Basic Ellman System Options Calculator, contact: alan@thebluecollarinvestor.com
(Just put "options calculator" in the subject line and ask for it.)
trade without emtions
Thinkorswim is excellent with lots of tools - The analyze page allows you to look at complex spreads and look at effects of adding / changing legs. They have added more and more features - only last month or so there were some problems with the software being slow.