stock scanner development tips
DESCRIPTION
Suggestions for modeling ideas in stock scanners in general and in Trade Ideas technology in particular. Original audience: E*Trade customers in PHL, PATRANSCRIPT
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Scanning for Stock Trading Ideas: Using Themes to Develop Winning
Strategies
David Aferiat
Managing Partner
Trade Ideas LLC
December 2010
Philadelphia IED
© 2010 Trade Ideas LLC, All rights reserved
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Why Do I Need It?
What Makes ‘Great Technology’ Valuable:
Manages risk: Helps a trader make better trades
Maintains discipline: Keeps a trader ‘On the Path’
Evens Playing Field: Creates ‘information leverage’
Promotes independent thinking
Increases time for the important things in life
Simple to use
© 2010 Trade Ideas LLC, All rights reserved
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Real-Time Strategy Examples
Stocks up over $1.00 in the last 5 minutes on unusually high volume
Stocks down the last 5 days in a row but making a new 3 day high
Stocks crossing above and below their 200 day moving average
Stocks trading up forming V bottom
Stocks up and down 3 standard deviations
© 2010 Trade Ideas LLC, All rights reserved
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Not Just for Stock Traders
See stocks that have unusual Put / Call ratio
See stocks with very unusual options volume
Restrict your data to stocks that a meet a range of option volume traded today
© 2010 Trade Ideas LLC, All rights reserved
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Modeling Techniques: Rules of Thumb
Don’t start from scratch at the beginning; Consider modifying an existing strategy to fit your trading plan
Articulate clearly the pattern you wish to identify – writing it down first (like a grocery list) can help clarify your purpose (vs. shopping while hungry)
Draw your best trade on a chart and clearly label each axis – this works in selecting the correct alerts and filters for your timeframe
Separate bullish or up-trending strategies from bearish or down-trending strategies – this allows for more ways to ‘stack the probabilities’ of movement in a certain direction
Use the many support resources available! Definitions, video tutorials, etc.
© 2010 Trade Ideas LLC, All rights reserved
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Back-testing Techniques: Rules of Thumb
© 2010 Trade Ideas LLC, All rights reserved