Teradyne Inc. stock gains over 5 percent on strong AI demand and India expansion
Published on 09/19/2026 at 13:07 | Editorial responsibility: Rafael MĂĽller, Editor-in-Chief AD HOC NEWS
Teradyne Inc. stock (ISIN US8807701029) advanced roughly 5 percent on September 18, 2026, as investors responded to robust AI chip testing demand and the company’s recent expansion in India, with the Nasdaq-listed shares closing around USD 371 and pushing Teradyne’s market capitalization above USD 58 billion.
AI demand and India office underpin sentiment
As Timothy Sykes reported on September 18, 2026, Teradyne Inc. stock was trending up by about 5.19 percent in that week’s trading, supported by strong demand for AI chip testing equipment and an upbeat semiconductor outlook.
According to MarketBeat as of September 18, 2026, Teradyne shares closed at USD 371.47 on Nasdaq, up USD 18.34 or 5.19 percent on the day, while extended trading later showed a slight pullback to USD 369.68.
Price performance and trading metrics
Per the same MarketBeat overview, Teradyne’s 52-week trading range currently spans from USD 117.54 at the low to USD 487.91 at the high, placing the latest close of USD 371.47 clearly in the upper half of that band and underlining the strength of the recent rally.
The same source notes that Teradyne’s market capitalization stands at USD 58.08 billion as of September 18, 2026, with daily volume around 4.29 million shares versus an average of 2.30 million, indicating elevated trading interest during the latest move.
According to MarketBeat, Teradyne shares were trading at USD 193.56 at the start of 2026 and have since risen to USD 371.47, a gain of approximately 91.9 percent year to date, which puts the stock among the stronger performers in the semiconductor equipment segment.
Insider sale and valuation backdrop
As Investing.com reported on September 18, 2026, Teradyne director Marilyn Matz sold 400 shares of the company’s common stock on September 17, 2026, at a price of USD 351.11 per share, for total proceeds of USD 140,444.
The same report notes that the stock subsequently rose to USD 361.30, continuing what it describes as a remarkable run that has delivered about a 198 percent return over the past year and an 83 percent gain year to date, illustrating how quickly the share price has moved even in the days following the insider transaction.
According to MarketBeat, Teradyne currently trades at a price-to-earnings ratio of 50.96 based on its latest earnings and offers a modest dividend yield of 0.14 percent, a combination that signals investors are willing to pay a premium valuation for the company’s exposure to high-growth semiconductor and robotics markets.
Earnings expectations and dividend schedule
According to Zacks as of September 14, 2026, the consensus estimate for Teradyne’s earnings per share in the quarter ending September 2026 stands at USD 2.03, which the service highlights as implying a year-over-year increase of about 138.82 percent compared with the same quarter a year earlier.
The same MarketBeat company calendar shows that Teradyne’s last earnings release took place on July 29, 2026, and that the next earnings report is currently estimated for October 27, 2026, while the record date for a dividend payable on September 25, 2026 fell on September 4, 2026 with the same day serving as the ex-dividend date.
Stock remains near recent highs
On Nasdaq, Teradyne Inc. stock last closed at USD 371.47 on September 18, 2026, up 5.19 percent from the prior close, with the shares trading well above the year’s starting level of USD 193.56 and within sight of the upper end of the 52-week range between USD 117.54 and USD 487.91.
Teradyne Inc. stock key data
- Company: Teradyne Inc.
- ISIN: US8807701029
- Ticker: TER
- Trading venue: Nasdaq
- Price (as of September 18, 2026, 04:00): 371.47 USD
- Market capitalization: 58.08 billion USD (as of September 18, 2026)
- Sector / Industry: Technology / Semiconductors & Semiconductor Equipment
- Index membership: S&P 500
- Next earnings date: October 27, 2026
