BLDP
Ballard Power Systems Inc.
stockNASDAQ
At CloseNov 6, 2026 3:59:55 PM EST
1.54USD+5.479%(+0.08)1,607,706
Pre-marketNov 6, 2026 9:10:30 AM EST
1.50USD+2.740%(+0.04)
After-hoursNov 6, 2026 4:51:30 PM EST
1.56USD+1.299%(+0.02)
As of 2026-10-15, there were 20,519,309 shares short with a short interest of 7.70%.
BLDP Short Interest - Official
BLDP Short Position Change - Official
BLDP 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 | 7.70 | 20,519,309 | 7.55 | +618,240 | +3.11 | 351,090,706 | 266,460,062 |
| 2026-09-30 | 7.47 | 19,901,069 | 8.69 | -999,324 | -4.78 | 351,090,706 | 266,460,062 |
| 2026-09-15 | 7.84 | 20,900,393 | 6.40 | +1,737,797 | +9.07 | 301,506,494 | 266,460,062 |
| 2026-08-31 | 7.19 | 19,162,596 | 7.39 | +1,100,755 | +6.09 | 301,506,494 | 266,460,062 |
| 2026-08-14 | 6.78 | 18,061,841 | 4.92 | +1,503,267 | +9.08 | 301,506,494 | 266,460,062 |
| 2026-07-31 | 6.21 | 16,558,574 | 2.16 | -9,203,578 | -35.73 | 301,475,849 | 266,460,062 |
| 2026-07-15 | 9.67 | 25,762,152 | 4.93 | +1,078,367 | +4.37 | 301,475,849 | 266,308,719 |
| 2026-06-30 | 9.27 | 24,683,785 | 3.39 | +2,857,715 | +13.09 | 301,475,849 | 266,304,302 |
| 2026-06-15 | 8.20 | 21,826,070 | 2.38 | -304,827 | -1.38 | 301,475,849 | 266,304,302 |
| 2026-05-15 | 8.69 | 22,130,897 | 1.72 | +1,103,799 | +5.25 | 301,475,849 | 254,556,912 |
| 2026-04-30 | 8.27 | 21,027,098 | 4.58 | +296,288 | +1.43 | 301,475,849 | 254,376,785 |
| 2026-04-15 | 8.15 | 20,730,810 | 7.11 | +160,006 | +0.78 | 300,913,456 | 254,376,785 |
| 2026-03-31 | 8.09 | 20,570,804 | 5.84 | -3,819,551 | -15.66 | 300,913,456 | 254,376,785 |
| 2026-03-13 | 9.59 | 24,390,355 | 5.56 | +686,473 | +2.90 | 300,738,656 | 254,376,785 |
| 2026-02-27 | 9.32 | 23,703,882 | 12.91 | -793,485 | -3.24 | 300,738,656 | 254,376,785 |
| 2026-02-13 | 9.63 | 24,497,367 | 10.38 | +762,509 | +3.21 | 300,738,656 | 254,376,785 |
| 2026-01-30 | 9.33 | 23,734,858 | 6.97 | +2,398,057 | +11.24 | 300,738,656 | 254,376,785 |
| 2026-01-15 | 8.39 | 21,336,801 | 6.48 | +398,480 | +1.90 | 300,738,656 | 254,376,785 |
| 2025-12-31 | 8.23 | 20,938,321 | 7.20 | -1,018,107 | -4.64 | 300,738,656 | 254,376,785 |
| 2025-12-15 | 8.63 | 21,956,428 | 5.79 | +1,269,104 | +6.13 | 300,738,656 | 254,376,785 |
| 2025-11-28 | 8.13 | 20,687,324 | 2.87 | +6,630,957 | +47.17 | 300,738,656 | 254,394,829 |
| 2025-11-14 | 5.54 | 14,056,367 | 2.08 | +252,191 | +1.83 | 300,738,656 | 253,837,901 |
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.