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|QQQM||Global X Funds||NASDAQ||1.39||0||0||197||0|
|IUSG||iShares Russell 3000 Growth Index (ETF)||NASDAQ||3700||1.05||63.1||56.33||463233||195105|
Here we apply an orthogonal regression (also known as total least squares) to both price series. We are interested in some key statistical properties (like β, ...) and in analysing orthogonal residuals: