BSX
Boston Scientific Corp.
stockNYSE
At CloseNov 3, 2026 3:59:59 PM EST
43.50USD-1.850%(-0.82)18,769,176
Pre-marketNov 3, 2026 9:28:30 AM EST
43.80USD-1.173%(-0.52)
After-hoursNov 3, 2026 4:33:30 PM EST
43.50USD0.000%(0.00)
As of 2026-10-15, there were 40,708,019 shares short with a short interest of 2.82%.
BSX Short Interest - Official
BSX Short Position Change - Official
BSX Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-10-15 | 2.82 | 40,708,019 | 2.59 | -702,493 | -1.70 | 1,449,229,526 | 1,444,983,283 |
| 2026-09-30 | 2.80 | 41,410,512 | 1.88 | -5,094,257 | -10.95 | 1,449,229,526 | 1,478,950,495 |
| 2026-09-15 | 3.14 | 46,504,769 | 2.35 | -1,668,989 | -3.46 | 1,449,229,526 | 1,478,950,495 |
| 2026-08-31 | 3.26 | 48,173,758 | 2.29 | +20,556,204 | +74.43 | 1,449,229,526 | 1,478,950,495 |
| 2026-08-14 | 1.87 | 27,617,554 | 1.57 | +5,341,353 | +23.98 | 1,449,229,526 | 1,478,950,495 |
| 2026-07-31 | 1.51 | 22,276,201 | 1.01 | -6,004,839 | -21.23 | 1,486,355,179 | 1,478,883,609 |
| 2026-07-15 | 1.91 | 28,281,040 | 1.69 | +342,416 | +1.23 | 1,486,355,179 | 1,478,879,150 |
| 2026-06-30 | 1.89 | 27,938,624 | 1.19 | -1,811,685 | -6.09 | 1,486,355,179 | 1,478,852,395 |
| 2026-06-15 | 2.01 | 29,750,309 | 1.44 | -1,672,989 | -5.32 | 1,486,355,179 | 1,478,852,395 |
| 2026-05-15 | 2.13 | 31,423,298 | 1.77 | +2,780,561 | +9.71 | 1,486,355,179 | 1,478,684,436 |
| 2026-04-30 | 1.94 | 28,642,737 | 1.36 | +3,028,179 | +11.82 | 1,486,175,167 | 1,476,716,299 |
| 2026-04-15 | 1.73 | 25,614,558 | 1.80 | +2,085,340 | +8.86 | 1,486,175,167 | 1,476,716,299 |
| 2026-03-31 | 1.59 | 23,529,218 | 1.43 | -1,912,345 | -7.52 | 1,486,175,167 | 1,476,716,299 |
| 2026-03-13 | 1.72 | 25,441,563 | 1.98 | -819,480 | -3.12 | 1,483,885,456 | 1,476,716,299 |
| 2026-02-27 | 1.78 | 26,261,043 | 1.94 | -380,390 | -1.43 | 1,483,885,456 | 1,476,716,299 |
| 2026-02-13 | 1.80 | 26,641,433 | 1.00 | -1,639,672 | -5.80 | 1,483,019,808 | 1,476,716,299 |
| 2026-01-30 | 1.92 | 28,281,105 | 1.97 | +4,865,676 | +20.78 | 1,483,019,808 | 1,476,716,299 |
| 2026-01-15 | 1.59 | 23,415,429 | 2.27 | +3,404,489 | +17.01 | 1,482,442,039 | 1,476,716,299 |
| 2025-12-31 | 1.36 | 20,010,940 | 2.37 | +866,260 | +4.52 | 1,482,442,039 | 1,476,716,299 |
| 2025-12-15 | 1.30 | 19,144,680 | 1.89 | +410,608 | +2.19 | 1,482,442,039 | 1,476,716,299 |
| 2025-11-28 | 1.27 | 18,734,072 | 1.89 | -2,341,932 | -11.11 | 1,482,442,039 | 1,478,217,079 |
| 2025-11-14 | 1.43 | 21,076,004 | 2.73 | +1,622,501 | +8.34 | 1,482,442,039 | 1,478,157,782 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.