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SHARE-BASED COMPENSATION EXPENSE (Tables)

12 Months Ended

Oct. 30, 2021

Share-based Payment Arrangement [Abstract]

Summary of stock option activity

The following table is a summary of Ciena’s stock option activity for the periods indicated (shares in thousands):

			Shares Underlying Options Outstanding						Weighted Average Exercise Price
Balance as of October 31, 2020			107						$	31.41
Granted			—						—
Exercised			(19)						$	30.13
Canceled			(5)						$	18.22
Balance as of October 30, 2021			83						$	32.46

Summarizes information with respect to stock options outstanding

The following table summarizes information with respect to stock options outstanding at October 30, 2021, based on Ciena’s closing stock price on the last trading day of Ciena’s fiscal 2021 (shares and intrinsic value in thousands):

																		Options Outstanding and Vested at
																		October 30, 2021
																		Number						Weighted Average Remaining						Weighted
Range of																		of						Contractual						Average						Aggregate
Exercise																		Underlying						Life						Exercise						Intrinsic
Price																		Shares						(Years)						Price						Value
$	11.34					—						$	18.22					33						1.61						$	14.36					$	1,334
$	32.06					—						$	55.63					50						1.46						$	44.69					487
$	11.34					—						$	55.63					83						1.52						$	32.46					$	1,821

Assumptions for awards granted

Assumptions for awards granted during fiscal 2021, fiscal 2020 and fiscal 2019 included the following:

			Year Ended
			October 30, 2021						October 31, 2020						November 2, 2019
Expected volatility of Ciena common stock, which is a weighted average of implied volatility and historical volatility			41.00%						31.77%						34.10%
Historical volatility of Ciena common stock			42.80%						36.29%						36.80%
Historical volatility of S&P Networking Index			27.30%						18.40%						17.39%
Correlation coefficient			0.6800						0.5891						0.6251
Expected life in years			2.87						2.87						2.87
Risk-free interest rate			0.17%						1.65%						2.62%
Expected dividend yield			0.0%						0.0%						0.0%

Summary of restricted stock unit activity

The following table is a summary of Ciena’s restricted stock unit activity for the period indicated, with the aggregate fair value of the balance outstanding at the end of each period, based on Ciena’s closing stock price on the last trading day of the relevant period (shares and aggregate fair value in thousands):

			Restricted Stock Units Outstanding						Weighted Average Grant Date Fair Value Per Share						Aggregate Fair Value
Balance as of October 31, 2020			4,049						$	35.08					$	159,498
Granted			2,350
Vested			(2,079)
Canceled or forfeited			(236)
Balance as of October 30, 2021			4,084						$	43.67					$	221,733

Share-based compensation expense

The following table summarizes share-based compensation expense for the periods indicated (in thousands):

			Year Ended
			October 30, 2021						October 31, 2020						November 2, 2019
Products			$	3,408					$	3,182					$	2,868
Services			5,181						3,853						3,175
Share-based compensation expense included in cost of goods sold			8,589						7,035						6,043
Research and development			21,863						16,987						14,321
Sales and marketing			25,152						20,194						16,474
General and administrative			28,804						23,424						22,841
Share-based compensation expense included in operating expense			75,819						60,605						53,636
Share-based compensation expense capitalized in inventory, net			(72)						118						57
Total share-based compensation			$	84,336					$	67,758					$	59,736

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

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