Rio Tinto plc short interest
Short interest in Rio Tinto plc was 9.8 million shares at the 15 September 2026 settlement, down 2.2% on the previous settlement, with 5.65 days to cover at an average daily volume of 1.7 million shares, as reported to FINRA.
| Settlement | Shares short | Change | Average daily volume | Days to cover |
|---|---|---|---|---|
| 15 September 2026 | 9,810,781 | -2.2% | 1,737,058 | 5.65 |
| 31 August 2026 | 10,031,942 | +11.6% | 2,358,652 | 4.25 |
| 14 August 2026 | 8,989,331 | +13.9% | 2,167,855 | 4.15 |
| 31 July 2026 | 7,888,602 | -14.8% | 2,980,699 | 2.65 |
| 15 July 2026 | 9,263,337 | -10.5% | 2,891,028 | 3.20 |
| 30 June 2026 | 10,350,517 | -12.0% | 2,698,056 | 3.84 |
| 15 June 2026 | 11,757,878 | -4.7% | 2,812,104 | 4.18 |
| 29 May 2026 | 12,340,331 | +5.0% | 2,391,927 | 5.16 |
| 15 May 2026 | 11,758,168 | +3.6% | 2,620,713 | 4.49 |
| 30 April 2026 | 11,350,954 | +12.7% | 2,421,466 | 4.69 |
| 15 April 2026 | 10,071,976 | -0.8% | 2,485,202 | 4.05 |
| 31 March 2026 | 10,150,098 | -15.4% | 3,433,828 | 2.96 |
FINRA publishes consolidated short interest twice a month, about ten days after each settlement. Days to cover is shares short over average daily volume. Short interest as a share of the float is not shown: the float is not in the public record.
Source
FINRA equity short interest data, the public dataset.
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