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Earnings per share
 9 Months Ended
Jul. 31, 2022
Text block [abstract]  
Earnings per share
Note 12.    Earnings per share
 
 
 
  
 
 
For the three
months ended
 
 
 
 
 
For the nine
months ended
 
$ millions, except number of shares and per share amounts
 
2022
Jul. 31
 
 
2022
Apr. 30
 
 
2021
Jul. 31
 
 
 
 
 
2022
Jul. 31
 
 
2021
Jul. 31
 
Basic earnings per share
 
(1)
                                                
Net income attributable to equity shareholders
  
$
1,660
 
   $ 1,518     $ 1,725            
$
 
 
 
 
5,042
 
   $ 4,993  
Less: Preferred share dividends and distributions on other equity instruments
  
 
         46
 
     47       30            
 
134
 
     111  
Net income attributable to common shareholders
  
$
1,614
 
   $ 1,471     $ 1,695            
$
4,908
 
   $ 4,882  
Weighted-average common shares outstanding (thousands)
  
 
903,742
 
     902,489       899,180            
 
902,703
 
     896,884  
Basic earnings per share
  
$
1.79
 
   $ 1.63     $ 1.88            
$
5.44
 
   $ 5.44  
Diluted earnings per share
 
(1)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Net income attributable to common shareholders
  
$
1,614
 
   $ 1,471     $ 1,695            
$
4,908
 
   $ 4,882  
Weighted-average common shares outstanding (thousands)
  
 
903,742
 
     902,489       899,180            
 
902,703
 
         896,884  
Add: Stock options potentially exercisable 
(2)
 (thousands)
  
 
1,590
 
     2,910       2,644            
 
    2,429
 
     1,803  
Add: Equity-settled consideration (thousands)
  
 
286
 
     340       472            
 
315
 
     338  
Weighted-average diluted common shares outstanding (thousands)
  
 
   905,618
 
         905,739           902,296            
 
   905,447
 
     899,025  
Diluted earnings per share
  
$
1.78
 
   $ 1.62     $ 1.88            
$
5.42
 
   $ 5.43  
(1)
On April 7, 2022, CIBC shareholders approved a two-for-one share split (Share Split) of CIBC’s issued and outstanding common shares. Each shareholder of record at the close of business on May 6, 2022 (Record Date) received one additional share on May 13, 2022 (Payment Date) for every one share held on the Record Date. All common share numbers and per common share amounts have been adjusted to reflect the Share Split as if it was retroactively applied to all periods presented.
(2)
Excludes average options outstanding of 2,397,160 (April 30, 2022: nil; July 31, 2021: nil) with a weighted-average exercise price of $70.05 (April 30, 2022: nil; July 31, 2021: nil) for the quarter ended July 31, 2022, and average options outstanding of nil (July 31, 2021: nil) with a weighted-average price of nil (July 31, 2021: nil) for the nine months ended July 31, 2022, as the options’ exercise prices were greater than the average market price of CIBC’s common shares.