Share capital (Tables)

6 Months Ended

12 Months Ended

Apr. 30, 2022

Oct. 31, 2021

Disclosure Of Number And Weighted Average Exercise Prices Of Share Options [line items]

Summary of Detailed Information About Stock Option Activity

A summary of stock option activities is as follows:

	Number of Li-Cycle Holdings Corp. stock options			Weighted average exercise price of Li-Cycle Holdings Corp. stock options
				$
Balance – October 31, 2021		5,296,553			2.81
Granted		719,718			7.86
Exercised		(222,505	)		1.31
Balance – April 30, 2022		5,793,766			3.50

A summary of stock option activities is as follows:

	Number of Li-Cycle Corp stock options			Weighted average exercise price of Li-Cycle Corp stock options		Number of Li-Cycle Holdings Corp stock options		Weighted average exercise price of Li-Cycle Holdings Corp stock options
				$				$
Balance – October 31, 2018		58,320			2.49
Granted		41,680			13.57
Balance – October 31, 2019		100,000			7.14
Granted		33,500			39.66
Balance – October 31, 2020		133,500			15.35
Granted		31,750			85.30
Exercised		(54,443	)		24.58
Forfeited		(4,500	)		42.43
Exchanged on August 10, 2021		106,307			31.62		4,242,707		0.79
Granted							1,053,846		10.93
Balance – October 31, 2021							5,296,553		2.81

Summary of Detailed Information About Stock Options Outstanding

A summary of the outstanding stock options is as follows:

	Number of stock options		Exercise price
			$
Expiration dates
September 11, 2022		399,100		0.02
April 10, 2023		798,200		0.02
April 10, 2023		199,231		0.36
April 1, 2024		171,613		0.36
July 17, 2024		865,244		0.36
December 16, 2029		99,775		1.07
April 21, 2030		386,010		1.07
July 19, 2030		251,433		1.07
November 30, 2030		410,587		2.14
February 11, 2031		439,010		2.14
August 10, 2031		1,053,846		10.93
November 22, 2031		31,725		13.20
January 31, 2032		560,377		7.58
March 8, 2032		127,615		7.74
		5,793,766

A summary of outstanding stock options is as follows:

	Number of stock options		Exercise price
			$
Expiration dates
September 11, 2022		399,100		0.02
April 10, 2023		798,200		0.02
April 10, 2023		199,231		0.36
April 1, 2024		171,613		0.36
July 17, 2024		865,244		0.36
December 16, 2029		99,775		1.08
April 21, 2030		439,010		1.08
July 19, 2030		371,163		1.08
November 30, 2030		420,452		2.17
February 11, 2031		478,920		2.17
August 10, 2031		1,053,846		10.93
		5,296,553

Summary of Detailed Information About Assumptions Used in Stock Option Pricing Model

Risk free interest rate	1.44% - 1.83%
Expected life of options	6 years
Expected dividend yield	0.0%
Expected stock price volatility	65% - 70%
Expected forfeiture rate	0.0%

The assumptions used in the stock option pricing model were as follows:

Risk free interest rate	0.46% – 0.97%
Expected life of options	6 years
Expected dividend yield	0.0%
Expected stock price volatility	65%
Expected forfeiture rate	0.0%

Summary of Detailed Information About RSU activities

A summary of RSU activities is as follows:

	Number of			Weighted average
	Li-Cycle Holdings Corp RSUs			share price on grant date
Balance – October 31, 2021		716,763		$	10.93
Granted		1,493,675		$	8.56
Forfeited		(14,223	)	$	8.79
Balance – April 30, 2022		2,196,215		$	9.34

A summary of RSU activities is as follows:

	Number of Li-Cycle Corp RSU			Number of Li-Cycle Holdings Corp RSU
Balance – October 31, 2018		—
Balance – October 31, 2019		—
Granted		2,182
Balance – October 31, 2020		2,182
Granted		7,647
Settled on August 10, 2021		(9,829	)
Subtotal		—			—
Granted on or after August 10, 2021					716,763
Balance – October 31, 2021		—			716,763