Quanta Services stock falls 4.4 percent to EUR 602.70, market cap USD 102.2 billion

Published on 10/08/2026 at 19:58 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

Thirty-three firms set a USD 768.12 average target. Quanta Services stock costs EUR 602.70 after-hours on October 8, 2026 versus EUR 630.10.

Key points in brief

Quanta Services stock was at EUR 602.70 after-hours on October 8, 2026, down 4.35 percent versus the EUR 630.10 prior close at Lang & Schwarz.
The USD 102.2 billion company traded 13.85 percent below its USD 788.75 52-week high in the primary-market quote.
MarketBeat listed a USD 768.12 average analyst target from 33 firms, while Zacks expects the next earnings release on October 29, 2026.
EMCOR Group and MasTec provided same-day comparison points for valuation, market capitalization and share-price performance.

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Quanta Services stock was at EUR 602.70 at Lang & Schwarz on October 8, 2026 at 7:46 p.m. CEST, down 4.35 percent versus the prior close of EUR 630.10. Its market capitalization stood at USD 102.2 billion, making the after-hours move material for a large US infrastructure contractor.

After-hours price and trading range

The NYSE quote was USD 679.45 on October 8, 2026 at 1:57 p.m. ET, down 3.08 percent from USD 701.07. The US quote gives a separate home-market reference, while the euro quotation remains the relevant price for German investors.

Quanta Services traded between a USD 404.51 52-week low and a USD 788.75 high. At USD 679.45, the stock stood 13.85 percent below that high and 67.97 percent above the low. Trading volume reached 591,864 shares against an average of 1,014,789, or 41.67 percent below the average.

Valuation stays above peers

The company carried a price-to-earnings ratio of 77.9 on October 8, 2026. That valuation was higher than EMCOR Group at 24.0 and MasTec at 34.0, while Quanta Services also had the largest market capitalization in the comparison.

According to MarketBeat on October 1, 2026, 33 firms produced a Moderate Buy consensus with an average 12-month target of USD 768.12. The target was 13.05 percent above the USD 679.45 NYSE quote, a comparison that places the analyst view alongside the current valuation rather than the euro price.

Comparison with peers

Quanta Services: minus 4.35 percent, P/E 77.9, market capitalization USD 102.2 billion
EMCOR Group (NYSE, USD): minus 1.59 percent, P/E 24.0, market capitalization USD 34.1 billion
MasTec (NYSE, USD): minus 4.08 percent, P/E 34.0, market capitalization USD 17.2 billion

Next earnings date is October 29

Zacks lists October 29, 2026 as the expected next earnings release date. Its calendar also gives a consensus estimate of USD 5.01 in earnings per share for the quarter ending in September 2026, with a projected year-over-year increase of 50.45 percent.

Euro price remains below prior close

At Lang & Schwarz, Quanta Services stood at EUR 602.70 after-hours on October 8, 2026, versus the EUR 630.10 prior close, a minus 4.35 percent session change. The next earnings date and the gap to the analyst consensus provide the clearest scheduled reference points for the stock's next market assessment.

The further course of trading is shown by the continuously updated real-time quote of Quanta Services stock.