NOT KNOWN FACTUAL STATEMENTS ABOUT PNL

$ In the "perform scenario" you liquidate the portfolio at $t_1$ realising its PnL (allow me to simplify the notation a tiny bit)Trader A has designed some hefty PnL, meanwhile Trader B arrives out with nothing in any respect and his skipped out on volatility over the trading day which he could've profited off of experienced he been repeatedly hedg