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Net income (loss) per common share (Tables) | 12 Months Ended
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Dec. 31, 2020
Earnings per share [abstract] |
Earnings per share reconciliation | A reconciliation of the numerator used for the purposes of calculating diluted net income (loss) per common share is as follows:
For the years ended December 31 | 2020 | 2019
Numerator for basic net income (loss) per common share | (156,678) |  | $ | 87,767 |
Adjustment for the effect of TSARs: |  |
Cash-settled recovery included in net income | — |  | (5,433) |
Equity-settled expense | — |  | (4,807) |
Numerator for diluted net income (loss) per common share | (156,678) |  | $ | 77,527 |
A reconciliation of the denominator used for the purposes of calculating basic and diluted net income (loss) per common share is as follows:
For the years ended December 31 | 2020 | 2019
Denominator for basic net income (loss) per common share | 76,196,395 |  | 76,592,413 |
Effect of dilutive stock options | — |  | 17,325 |
Effect of dilutive TSARS | — |  | 82,756 |
Denominator for diluted net income (loss) per common share | 76,196,395 |  | 76,692,494 |
For the years ended December 31, 2020 and 2019, basic and diluted net income (loss) per common share attributable to Methanex shareholders were as follows:
For the years ended December 31 | 2020 | 2019
Basic net income (loss) per common share | $ | (2.06) |  | $ | 1.15 |
Diluted net income (loss) per common share | $ | (2.06) |  | $ | 1.01 |

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