Rolls-Royce shares might be 26% overvalued. Is it time to sell?

Rolls-Royce shares might be 26% overvalued. Is it time to sell?

Although I admit I was late to the post-pandemic party, Rolls-Royce Holdings‘ (LSE:RR.) shares remain the best performer in my ISA. But having been rallying for the past five years – the group’s share price has increased over 700% since December 2020 – I’m starting to question whether I should sell. Let’s see. Like-for-like A good way of assessing whether a stock’s expensive is to compare its price-to-earnings (P/E) ratio to that of a si…