TDY Stock Summary and Trading Ideas (Teledyne Technologies | NYSE:TDY)

Teledyne Technologies Inc sells technologies for industrial markets. Roughly a fourth of Teledyne's revenue comes from contracts with the United States government. The firm operates in four segments: instrumentation, digital imaging, aerospace and defense electronics, and engineered systems. The instrumentation segment provides monitoring instruments primarily for marine and environmental applications. The digital imaging segment contributes majority of proportion of revenue and includes image sensors and cameras for industrial, government, and medical customers. The aerospace and defense electronics segment provides electronic components and communication products for aircraft. The engineered systems segment provides solutions for defense, space, environmental, and energy applications.

Teledyne Technologies trades on the NYSE stock market under the symbol TDY.

As of December 19, 2025, TDY stock price climbed to $510.01 with 407,703 million shares trading.

TDY has a beta of 0.88, meaning it tends to be less sensitive to market movements. TDY has a correlation of 0.39 to the broad based SPY ETF.

TDY has a market cap of $23.95 billion. This is considered a Large Cap stock.

Last quarter Teledyne Technologies reported $2 billion in Revenue and $5.57 earnings per share. This beat revenue expectation by $16 million and exceeded earnings estimates by $.09.

In the last 3 years, TDY traded as high as $595.99 and as low as $355.41.

The top ETF exchange traded funds that TDY belongs to (by Net Assets): VTI, VOO, VO, IVV, SPY.

TDY has underperformed the market in the last year with a price return of +11.2% while the SPY ETF gained +17.3%. TDY has also underperformed the stock market ETF in the last 3 month and 2 week periods returning -9.4% and -1.5%, respectively, while the SPY returned +3.3% and -0.6%, respectively.

TDY support price is $497.38 and resistance is $511.54 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that TDY shares will trade within this expected range on the day.