Common mistakes in pair trader portfolio building include choosing weakly correlated pairs, poor risk management, and overexposure to a single sector. Ignoring changing market conditions can also reduce effectiveness. Avoiding these mistakes helps traders maintain consistency and protect capital. https://u.pcloud.link/publink/show?code=XZkkkK5ZOBF4MBuVsHmcyqTXsQuKrmxdnlkV