Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

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 Three Months  Ended
	March 31, 2024			April 2, 2023
Risk-free interest rate		3.9	%		3.9	%
Teradyne volatility-historical		42.4	%		50.2	%
NYSE Composite Index volatility-historical		15.6	%		24.8	%
Dividend yield		0.5	%		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 Three Months  Ended
	March 31, 2024			April 2, 2023
Expected life (years)		4.0			4.0
Risk-free interest rate		4.0	%		3.7	%
Volatility-historical		46.3	%		46.7	%
Dividend yield		0.5	%		0.4	%