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BLDP · Ballard Power Systems Inc.

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$2.34 +0.05 (+2.18%) At close · Sep 4
Rebalance outlook locked
Market Cap
$675.37M
Shares
301.51M

Shares sold short and not yet covered, reported twice monthly. Days to cover is the reported short position divided by average daily volume.

BLDP Latest Reported Short Interest

FINRA reported 18,061,841 BLDP shares sold short as of the August 14, 2026 settlement date, an increase of 1,503,267 shares. Days to cover was 4.92 based on FINRA's reported average daily volume.

Official FINRA short-interest data · share counts are restated for subsequent splits of this listing

BLDP Short Interest Forecast

Equibles' model estimates 18,151,738 shares sold short for the August 31, 2026 settlement, +0.5% versus the latest reported position, with a likely range of 16,482,098 to 20,055,869 shares. This model prediction uses FINRA data through August 31, 2026; FINRA's official release is expected September 10, 2026.

Model estimate

Expected Aug 31 short interest

as of Aug 31 Low confidence 49% chance it rises
18,151,738 +0.5% vs reported
Likely range 16,482,098 to 20,055,869 The latest estimate appears in the chart below. Official release expected Sep 10. Methodology
Short Squeeze Score
58/100
Short interest 6.0% of shares — P78 Days to cover 4.9 — P68 Price vs VWAP -31.9% — P6 Short-volume trend -7.6% — P24 Short interest change +9.1% — P75 Worst FTD 0.10% of shares — P83

Peer-relative percentile rank across all listed securities reporting short interest at the latest settlement date (2026-08-14). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.

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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-09-15 Scheduled
    FINRA publishes Sep 24
    		 — — — —
    2026-08-31 Scheduled
    FINRA publishes Sep 10
    		 — — — —
    2026-08-14 18,061,841 16,558,574 +1,503,267 4.92
    2026-07-31 16,558,574 25,762,152 -9,203,578 2.16
    2026-07-15 25,762,152 24,683,785 +1,078,367 4.93
    2026-06-30 24,683,785 21,826,070 +2,857,715 3.39
    2026-06-15 21,826,070 21,206,521 +619,549 2.38
    2026-05-29 21,206,521 22,130,897 -924,376 1.53
    2026-05-15 22,130,897 21,027,098 +1,103,799 1.72
    2026-04-30 21,027,098 20,730,810 +296,288 4.58
    2026-04-15 20,730,810 20,570,804 +160,006 7.11
    2026-03-31 20,570,804 24,390,355 -3,819,551 5.84
    2026-03-13 24,390,355 23,703,882 +686,473 5.56
    2026-02-27 23,703,882 24,497,367 -793,485 12.91
    2026-02-13 24,497,367 23,734,858 +762,509 10.38
    2026-01-30 23,734,858 21,336,801 +2,398,057 6.97
    2026-01-15 21,336,801 20,938,321 +398,480 6.48
    2025-12-31 20,938,321 21,956,428 -1,018,107 7.20
    2025-12-15 21,956,428 20,687,324 +1,269,104 5.79
    2025-11-28 20,687,324 14,011,267 +6,676,057 2.87
    2025-11-14 14,056,367 13,804,176 +252,191 2.08
    2025-10-31 13,804,176 14,119,997 -315,821 2.10
    2025-10-15 14,119,997 14,164,431 -44,434 1.21
    2025-09-30 14,164,431 12,967,233 +1,197,198 1.53
    2025-09-15 12,967,233 13,461,236 -494,003 3.06

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1453015 CUSIP 058586108 13F (30d) 137 filings 127 filers Visit website