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Employee Compensation - Share-Based Compensation (Tables) | 12 Months Ended
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Oct. 31, 2025
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Summary of Information about our Stock Option Plan | The following table summarizes information about our Stock Option Plan:
(Canadian $, except as noted) |  |  |  |  | 2025 |  |  |  |  |  | 2024 |
|  | Number of stock options |  |  | Weighted-average exercise price |  |  | Number of stock options |  |  | Weighted-average exercise price |
Outstanding at beginning of year |  |  | 6,554,492 |  |  | $ | 110.14 |  |  |  | 6,312,576 |  |  | $ | 105.26 |
Granted |  |  | 716,633 |  |  |  | 141.00 |  |  |  | 1,113,853 |  |  |  | 118.50 |
Exercised |  |  | (1,520,631 | ) |  |  | 95.74 |  |  |  | (811,652 | ) |  |  | 82.74 |
Forfeited/expired/cancelled |  |  | (51,360 | ) |  |  | 122.96 |  |  |  | (60,285 | ) |  |  | 122.22 |
Outstanding at end of year |  |  | 5,699,134 |  |  |  | 117.75 |  |  |  | 6,554,492 |  |  |  | 110.14 |
Exercisable at end of year |  |  | 2,245,942 |  |  |  | 103.82 |  |  |  | 2,856,460 |  |  |  | 95.27 |
Available for grant |  |  | 8,900,641 |  |  |  |  |  |  |  | 9,565,914 |  |  |  |  |
Summary of Options Outstanding and Exercisable by Range of Exercise Price | Options outstanding and exercisable at October 31, 2025 by range of exercise price were as follows:
(Canadian $, except as noted) |  |  |  |  |  |  |  |  |  |  |  | 2025 |
|  | Options outstanding |  |  | Options exercisable |
Range of exercise prices |  | Number of stock options |  |  | Weighted- average remaining contractual life (years) |  |  | Weighted-average exercise price |  |  | Number of stock options |  |  | Weighted-average exercise price |
$70.01 to $90.00 |  |  | 380,829 |  |  |  | 3.0 |  |  | $ | 89.25 |  |  |  | 380,829 |  |  | $ | 89.25 |
$90.01 to $100.00 |  |  | 698,899 |  |  |  | 4.1 |  |  |  | 97.08 |  |  |  | 698,899 |  |  |  | 97.08 |
$100.01 to $120.00 |  |  | 1,842,015 |  |  |  | 6.2 |  |  |  | 111.19 |  |  |  | 779,359 |  |  |  | 101.23 |
$120.01 to $140.00 |  |  | 2,060,758 |  |  |  | 6.7 |  |  |  | 127.80 |  |  |  | 386,855 |  |  |  | 135.58 |
$140.01 and over |  |  | 716,633 |  |  |  | 9.1 |  |  |  | 141.00 |  |  |  | – |  |  |  | – |
Summary of Further Information about our Stock Option Plan | The following table summarizes additional information about our Stock Option Plan:
(Canadian $ in millions, except as noted) |  | 2025 |  |  | 2024 |
Unrecognized compensation cost for non-vested stock option awards |  | $ | 10 |  |  | $ | 12 |
Cash proceeds from stock options exercised |  |  | 146 |  |  |  | 67 |
Weighted-average share price for stock options exercised (in dollars) |  |  | 152.59 |  |  |  | 120.40 |
Summary of Ranges of Values used for each Option Pricing Assumption | The fair value of options granted was estimated using a binomial option pricing model. The weighted-average fair value of options granted during the years ended October 31, 2025 and 2024 was $18.46 and $15.33, respectively. To determine the fair value of the stock option tranches on the grant date, the following ranges of values were used as inputs for each option pricing assumption:
|  | 2025 |  |  | 2024 |
Expected dividend yield |  |  | 3.6% |  |  |  | 4.5% |
Expected share price volatility |  |  | 16.7% |  |  |  | 17.4% – 17.6% |
Risk-free rate of return |  |  | 2.8% |  |  |  | 3.3% – 3.4% |
Expected period until exercise (in years) |  |  | 6.5 – 7.0 |  |  |  | 6.5 – 7.0 |

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