Copart stock heads into the open after a 3.8% drop

At the close on September 17, 2026, Copart stock fell 3.8% to USD 29.66 on the Nasdaq, underperforming a rising Nasdaq index. The move followed the formal launch of Copart’s USD 1.9 billion tender offer for ACV Auctions and an HSBC downgrade.

Copart stock closed at USD 29.66 on the Nasdaq on September 17, 2026, down 3.8% from the prior close as the shares extended their recent slide. The stock lagged the Nasdaq, which gained 1.76% to finish at 26,434.77 on the same date, highlighting a marked underperformance against the broader technology-heavy index.

September 17, 2026 in numbers

Copart Inc. (ISIN US2172041061, Nasdaq: CPRT) ended the September 17, 2026 session at USD 29.66 after trading lower throughout the day, with the decline tied to company-specific news and an analyst rating change. According to GuruFocus, Copart shares closed the prior session at USD 30.82, making the latest move a drop of roughly 3.8 percent and leaving the stock trading well below an indicated intrinsic value estimate of USD 56.94.GuruFocus On the same day, the Nasdaq index advanced 1.76% to close at 26,434.77, underscoring that Copart’s loss came against a supportive broader market backdrop.ScanX Trade

Part of the pressure on the shares reflected a new acquisition step and rating action. As Copart announced the formal commencement of a USD 10.50-per-share all-cash tender offer to acquire ACV Auctions in a deal valued at about USD 1.9 billion, some investors weighed the size of the cash commitment and execution risks for the coming fiscal year.Business Wire In parallel, HSBC downgraded Copart by one notch to hold and cut its price target to USD 36 from USD 46, a move that added to the negative tone around the stock on September 17, 2026.Fidelity

Deal scrutiny and analyst moves today

Today, investors continue to assess Copart’s tender offer for ACV Auctions, which remains open at USD 10.50 per share in cash and is intended to strengthen Copart’s position in serving used-vehicle dealers.Investing.com The tender process and any further commentary from analysts or rating agencies may influence Copart’s trading pattern into today’s US session, particularly given the recent downgrade and the stock’s current level relative to valuation metrics highlighted by research providers.MarketBeat Broader Nasdaq performance and sentiment toward acquisition-driven growth strategies in the auto and auction space are also likely to frame how Copart stock trades when the opening bell rings in the United States today.