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INCOME PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Profit (loss), attributable to ordinary equity holders of parent entity |  |  |
Net income | $ 140,468 | $ 55,757 | [1]
Net income attributable to NCI | (6,974) | 1,558 |
Equity holders of SSR Mining | 133,494 | 57,315 |
Interest saving on convertible notes, net of tax | 9,868 | 0 |
Net income used in the calculation of diluted net income per share | $ 143,362 | $ 57,315 |
Weighted average ordinary shares and adjusted weighted average ordinary shares |  |  |
Weighted average number of common shares issued (in shares) | 151,144 | 121,769 |
Stock options (in shares) | 752 | 892 |
Performance share units (in shares) | 93 | 0 |
Restricted share units (in shares) | 3 | 0 |
Convertible instruments (in shares) | 12,445 | 0 |
Diluted weighted average number of shares outstanding (in shares) | 164,437 | 122,661 |
Net income per share attributable to equity holders of SSR Mining |  |  |
Basic (usd per share) | $ 0.88 | $ 0.47 |
Diluted (usd per share) | $ 0.87 | $ 0.47 |
[1] | See note 2(r)

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