$ Inside the "work scenario" you liquidate the portfolio at $t_1$ realising its PnL (let me simplify the notation a tad) Depreciation = value firstly in the calendar year (opening stability) + buys inside the calendar year − worth at the conclusion of the yr (closing harmony) "hitparade.ch - Discographie https://angeloanxiq.blogpostie.com/55564847/everything-about-pnl