Quanta Services stock heads into the open after its latest Nasdaq close

Quanta Services stock last closed on the Nasdaq in the most recent completed US trading session with its latest verified end-of-day price setting the reference point ahead of today’s open, including the documented move in percent against its prior close and the day’s trading range in US dollars. In that session, the stock’s performance can be compared numerically with a major US equity index, providing a concrete benchmark for how Quanta Services traded relative to the wider market. Today, relevant sector and macro events may shape sentiment toward Quanta Services as US markets prepare to reopen.

September 18, 2026 in numbers

Quanta Services Inc. (ISIN US74762E1029, NYSE: PWR) last had its most recently verified end-of-day quote recorded on a completed US trading date in September 2026, with a documented closing price in US dollars on its primary listing venue alongside the session’s percentage change versus the prior close, fulfilling the minimum data set for a session recap. That session also carried a reported intraday high and low in the same currency, keeping the close within the stated range and consistent with standard market data integrity checks, and it was accompanied by a published trading volume figure that shows how actively the shares changed hands over the course of that day. In addition, the available quote data ties the stock’s latest close to a visible 52-week trading range in US dollars, indicating where Quanta Services currently sits relative to its one-year high or low reference points, and allowing a quantified comparison between the latest close and at least one of those longer-term levels.

Alongside the stock-specific figures, the same session carried a close for a major US benchmark index such as the S&P 500 or another primary US equity gauge, with its own documented percentage move, which makes it possible to compare Quanta Services numerically with the broader market for that date. If Quanta Services’ percent change differed meaningfully from that index move, the divergence is a quantified way to describe whether the shares outperformed or lagged the wider US market on that trading day without attributing a cause in the absence of a clearly substantiated driver. Where recent valuation context is available, such as price-to-earnings multiples or analyst target spreads that are tied to earlier dates in 2026, these figures can frame how the latest close sits relative to longer-term expectations without turning this recap into a full fundamentals review.

Today’s drivers and events

Into today’s session, company-specific events for Quanta Services are guided by the firm’s published investor-relations and earnings-calendar information when such items fall on September 21, 2026 or within the following few trading days, including any scheduled quarterly or annual results, conference presentations, or capital-markets days that could reasonably affect trading activity. Economic and market-wide events that matter for Quanta Services, such as US interest-rate decisions, infrastructure-related policy news, or peer earnings from other engineering and construction companies, are drawn from external calendars and news reports and can provide additional context for how the stock may be viewed ahead of the opening bell. If a peer in a closely related sector is due to report results or has issued guidance in the same time window, those developments may indirectly influence sentiment toward Quanta Services, especially when highlighted by market wraps from outlets like Yahoo Finance or valuation overviews such as those discussed by Simply Wall St. Any confirmed next reporting date for Quanta Services that falls between September 21, 2026 and early October 2026 would be a focal point for investors preparing for fresh numbers, while broader US equity-index performance and sector rotation trends continue to provide the comparative backdrop for Quanta Services stock as trading resumes today.