Boston Scientific Corp. short interest
Short interest in Boston Scientific Corp. was 48.2 million shares at the 31 August 2026 settlement, up 74.4% on the previous settlement, with 2.29 days to cover at an average daily volume of 21.0 million shares, as reported to FINRA.
| Settlement | Shares short | Change | Average daily volume | Days to cover |
|---|---|---|---|---|
| 31 August 2026 | 48,173,758 | +74.4% | 21,036,931 | 2.29 |
| 14 August 2026 | 27,617,554 | +24.0% | 17,642,161 | 1.57 |
| 31 July 2026 | 22,276,201 | -21.2% | 21,974,600 | 1.01 |
| 15 July 2026 | 28,281,040 | +1.2% | 16,776,824 | 1.69 |
| 30 June 2026 | 27,938,624 | -6.1% | 23,398,673 | 1.19 |
| 15 June 2026 | 29,750,309 | -48.2% | 20,617,498 | 1.44 |
| 29 May 2026 | 57,491,117 | +83.0% | 25,507,630 | 2.25 |
| 15 May 2026 | 31,423,298 | +9.7% | 17,713,835 | 1.77 |
| 30 April 2026 | 28,642,737 | +11.8% | 21,126,230 | 1.36 |
| 15 April 2026 | 25,614,558 | +8.9% | 14,196,053 | 1.80 |
| 31 March 2026 | 23,529,218 | -7.5% | 16,507,632 | 1.43 |
| 13 March 2026 | 25,441,563 | -3.1% | 12,874,974 | 1.98 |
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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