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Stock-Based Compensation (Tables)

9 Months Ended

Oct. 01, 2023

Schedule of Estimated Fair Value of TSR Performance-Based Restricted Stock Unit Awards Assumptions

The fair value was estimated using the Monte Carlo simulation model with the following assumptions:


		For the Nine Months Ended
		October 1, 2023				October 2, 2022
Risk-free interest rate			4.0	%			1.4	%
Teradyne volatility-historical			49.7	%			47.1	%
NYSE Composite Index volatility-historical			24.1	%			22.7	%
Dividend yield			0.4	%			0.4	%

Fair Value of Stock Options Using Assumptions

The fair value of stock options was estimated using the Black-Scholes option-pricing model with the following assumptions:


		For the Nine Months Ended
		October 1, 2023				October 2, 2022
Expected life (years)			4.0				4.0
Risk-free interest rate			3.8	%			1.6	%
Volatility-historical			46.6	%			43.7	%
Dividend yield			0.4	%			0.4	%