$TER
Teradyne, Inc. Common Stock
XNAS•Technology•Instruments for Meas & Testing of Electricity & Elec Signals
Why is TER up today? It is at $394.21 (+1.24%), and our scanner flagged it 280 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment TER spikes, and full due diligence on TER — key stats, earnings, dilution and insider activity. Free.
Get free $TER alerts the moment volume spikes
Our scanner flagged $TER 280 times in the last 30 days. Create a free account to track $TER, build a watchlist, and get instant unusual-volume alerts — plus 5 free premium days, no card needed.
No card · 5 premium days · join 800+ traders
Key Stats
- Price
- $394.21
- Change today
- +1.24%
- Previous close
- $389.39
- 52-week range
- $104.58 – $487.91
- Market cap
- $60.88B
- P/E ratio
- 127.67
- Dividend yield
- 0.13% ($0.52)
- Institutional own.
- 99.9%
- Total held
- 100.0%
- Short interest
- 7.3M ▼ -20% vs prior · as of 2026-07-15
- Days to cover
- 1.9d
- Avg daily volume
- 3.7M
- Sector
- Technology
- Industry
- Instruments for Meas & Testing of Electricity & Elec Signals
- Exchange
- XNAS
- 5m
- 0.9x
- 15m
- 0.5x
- 1h
- 0.5x
- 1D
- 0.1x
Get free TER + market alerts in your inbox
The top plays and unusual-volume catches our scanner flags, emailed to you. No account needed.
No spam. Unsubscribe anytime. Not investment advice.
Why is $TER up today?
TER is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 6 unusual-volume and momentum alerts on TER today, peaking at 2.7x its normal volume.
Likely catalystQuarterly report (10-Q), from the latest SEC filing. Read it →Analyst data via Nasdaq. Not investment advice.
Insiders
14 buys, 15 sells last 3 months (35/46 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Johnson Mercedes Director | Sold (automatic/other) | -166 | sold 2.5% | 7K | $59K at $358.15 | Aug 3, 26 |
Matz Marilyn Director | Sold (automatic/other) | -1K | sold 6.9% | 16K | $428K at $356.31 | Jul 15, 26 |
Smith Gregory Stephen Officer | Sold (automatic/other) | -4K | sold 3.3% | 116K | $1.4M at $356.31 | Jul 15, 26 |
Johnson Mercedes Director | Sold (automatic/other) | -167 | sold 2.4% | 7K | $77K at $460.00 | Jul 1, 26 |
Herweck Peter Director | Acquired (grant/award) | +63 | added 0.4% | 16K | n/a | Jun 25, 26 |
Henry Andrew Chisholm Director | Acquired (grant/award) | +52 | added 1.8% | 3K | n/a | Jun 25, 26 |
Tufano Paul J Director | Acquired (grant/award) | +116 | added 0.2% | 66K | n/a | Jun 25, 26 |
Smith Gregory Stephen Officer | Sold (automatic/other) | -4K | sold 3.2% | 120K | $1.7M at $423.03 | Jun 15, 26 |
Matz Marilyn Director | Sold (automatic/other) | -1K | sold 6.4% | 17K | $508K at $423.03 | Jun 15, 26 |
Tufano Paul J Director | Acquired (grant/award) | +19 | added <0.1% | 66K | n/a | Jun 12, 26 |
Herweck Peter Director | Acquired (grant/award) | +4 | added <0.1% | 16K | n/a | Jun 12, 26 |
Maddock Ernest E Director | Acquired (grant/award) | +2 | added <0.1% | 10K | n/a | Jun 12, 26 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
$TER Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$TER Activity
News, unusual-volume alerts, AI-trader trades and community chatter — the whole story, newest first.




Stocks similar to TER
Comparable names in instruments for meas & testing of electricity & elec signals, closest in size first.
TER is in these themes
Curated groups TER belongs to. Tap one to see every member with today's move and why the group is moving.
TER stock FAQ
Why is $TER up today?
TER is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 6 unusual-volume and momentum alerts on TER today, peaking at 2.7x its normal volume.
What is the TER stock price today?
TER last traded at $394.21, up 1.24% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Does TER pay a dividend?
Yes. TER currently has a dividend yield of about 0.13% ($0.52 per share per year). Dividend figures can change; this is not investment advice.
Where can I see live TER alerts?
The TER Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged TER 280 times in the last 30 days.
What exchange is TER on?
TER (Teradyne, Inc. Common Stock) trades on XNAS, with a market cap of about $60.88B in the INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS sector.
Is TER good for day trading?
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge TER for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.