Palantir Technologies (PLTR) stock has been under pressure in 2026. The enterprise AI software company's shares have fallen 25.6% year-to-date (YTD), significantly lagging the broader S&P 500 Index ($SPX). Furthermore, the stock is trading 36.3% below its 52-week high of $207.52.
The steep decline was largely driven by Palantir's premium valuation relative to its peers and growing competition from AI companies.