Palantir (NASDAQ: PLTR) has rapidly become one of the most popular artificial intelligence (AI) stocks in the market. It’s up by more than 600% since the start of 2024 and has gained more than 60% so far in 2025 alone. Few stocks will ever match that sort of jaw-dropping performance, but now, many investors are wondering if it’s too late to buy Palantir.
I think there’s one guiding metric that will inform investors whether it is or not, and the answer may surprise you.