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Different range price data on one chart

I'd like to evaluate 3-4 instruments on one price chart. For example: Stock A: 90,05 90,15 90,25 90,09 Stock B: 0,0045 0,0049 0,0039 0,0040 Stock C: 1998,1 1998,7 1998,8 1997 I try to use: ...
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1answer
106 views

Calculating the Sum of Squared Deviations between two Normalized Price Series

How can I calculate the sum of square deviations between two normalized price series according to (Gatev et. co 2006)? My normalized price series of stocks $X$ and $Y$ consist of the cumulative total ...
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2answers
1k views

How to normalize stock data

Please advise how can i normalize stock prices. Recently, I've been using such formulas: Log prices = Ln(Close(t)) Close(t)-Mean (Close(t)-Mean)/(StdDev) Ln(Close(t))-Mean Is there any other ...