$TER
Teradyne, Inc. Common Stock
XNAS•Technology•Instruments for Meas & Testing of Electricity & Elec Signals
Teradyne, Inc. Common Stock
XNAS•Technology•Instruments for Meas & Testing of Electricity & Elec Signals
Why is TER down today? It is at $242.61 (-5.38%), and our scanner flagged it 302 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.
Our scanner flagged $TER 302 times in the last 30 days. Create a free account to track $TER, build a watchlist, and get instant unusual-volume alerts, with a full day of premium now and 5 more when you verify your email, no card needed.
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The market is closed. Here is how TER traded in the last session, Friday (last price and move above). Our scanner fired 16 unusual-volume and momentum alerts on TER on Friday, peaking at 5.0x its normal volume.
Likely catalystTERADYNE, INC: Q3 FY2026 results, three months to Sep 27, 2026, from an SEC filing. Read it →Latest filing4Insider trade (Form 4)Nov 5, 2026 · 9 days agoSources: float & market cap via Polygon · short interest via FINRA · borrow & shortability via Alpaca · SSR from Reg SHO 201 · filings & dilution via SEC EDGAR · analysts via Nasdaq.
Auto-generated from public data for research and education. Not investment advice.
From the trading subreddits (WallStreetBets, r/stocks and more). Retail chatter, not a signal. Do your own research.
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Turner Michelle L. Officer | Sold (automatic/other) | -818 | sold 7.3% | 10K | $220K at $269.35 | Nov 3, 26 |
Johnson Mercedes Director | Sold (automatic/other) | -166 | sold 2.7% | 6K | $46K at $275.44 | Nov 2, 26 |
Matz Marilyn Director | Sold (automatic/other) | -400 | sold 3.1% | 13K | $140K at $350.00 | Oct 21, 26 |
Matz Marilyn Director | Sold (automatic/other) | -800 | sold 5.8% | 13K | $273K at $341.28 | Oct 15, 26 |
Smith Gregory Stephen Officer | Sold (automatic/other) | -4K | sold 3.7% | 104K | $1.4M at $341.28 | Oct 15, 26 |
Johnson Mercedes Director | Sold (automatic/other) | -167 | sold 2.6% | 6K | $67K at $402.90 | Oct 1, 26 |
Maddock Ernest E Director | Acquired (grant/award) | +2 | added <0.1% | 10K | n/a | Sep 25, 26 |
Tufano Paul J Director | Acquired (grant/award) | +19 | added <0.1% | 66K | n/a | Sep 25, 26 |
Herweck Peter Director | Acquired (grant/award) | +4 | added <0.1% | 16K | n/a | Sep 25, 26 |
Henry Andrew Chisholm Director | Acquired (grant/award) | +64 | added 2.2% | 3K | n/a | Sep 24, 26 |
Tufano Paul J Director | Acquired (grant/award) | +141 | added 0.2% | 66K | n/a | Sep 24, 26 |
Herweck Peter Director | Acquired (grant/award) | +77 | added 0.5% | 16K | n/a | Sep 24, 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.
Blend of news sentiment, today’s move, and community votes. Not investment advice.
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.







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The market is closed. Here is how TER traded in the last session, Friday (last price and move above). Our scanner fired 16 unusual-volume and momentum alerts on TER on Friday, peaking at 5.0x its normal volume.
TER last traded at $242.61, down 5.38% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Yes. TER currently has a dividend yield of about 0.2% ($0.52 per share per year). Dividend figures can change; this is not investment advice.
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 302 times in the last 30 days.
TER (Teradyne, Inc. Common Stock) trades on XNAS, with a market cap of about $38.96B in the INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS sector.
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.
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