Introduction of Compustat
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Transcript of Introduction of Compustat
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Introduction of Compustat
Prof. I-Cheng Yeh
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Topic 1: How to download data? Topic 2: How to screen stocks
satisfied specific selection rule? Topic 3: How to test the
performance of a selection rule?
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Topic 1: How to download data?
Open the Research Insight Open the Report Assistant Step 1 Step 2 Step 3 Open the Run Assistant
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Start the system
You can start the system here.
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You can start report assistant
here.
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Or you can start report assistant
here.
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report assistant step 1
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report assistant step 2
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report assistant step 3
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“run assistant”
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Choose the $C set
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Choose the $R set
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You can save the data set
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You can read the formula
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Topic 2: How to screen stocks satisfied specific selection rule?
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(1) You can start
the screen here
(2)
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You can modify the
screen
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You can save set and screen
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Topic 3: How to test the performance of a selection rule?
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The relation between Compustat and our study Indirect approach:Download the data set.Build a prediction model. Return(t)=a*PBR(t-2)+b*ROE(t-2)+c
Generate stock selection strategy according to prediction model.
Backtest stock selection strategy.
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The relation between Compustat and our study Direct approachBacktest stock selection strategy.