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Equibles

BLDP · Ballard Power Systems Inc. · Short Interest

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$1.51 -0.01 (-0.66%)
Rebalance outlook locked
Market Cap
$535.41M
Shares
351.09M
Volume · Oct 20 1.88M Avg daily vol (3M) 3.75M

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

Pull short interest history through the short interest API or MCP →

BLDP Latest Reported Short Interest

FINRA reported 19,901,069 BLDP shares sold short as of the September 30, 2026 settlement date, a decrease of 999,324 shares. Days to cover was 8.69 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 20,279,848 shares sold short for the October 15, 2026 settlement, +1.9% versus the latest reported position, with a likely range of 18,277,164 to 22,619,524 shares. This model prediction uses FINRA data through October 15, 2026; FINRA's official release is expected October 26, 2026.

Model estimate

Expected Oct 15 short interest

as of Oct 15 Medium confidence 60% chance it rises
20,279,848 +1.9% vs reported
Likely range 18,277,164 to 22,619,524 The latest estimate appears in the chart below. Official release expected Oct 26. Methodology
Short Squeeze Score
52/100
Short interest 5.7% of shares — P75 Days to cover 8.7 — P88 Price vs VWAP -38.3% — P8 Short-volume trend -11.5% — P16 Short interest change -4.8% — P34 Worst FTD 0.01% of shares — P52

Positioning score 52.3 + catalyst boost 0 (total capped at 100). This is a screening index, not a probability of a squeeze.

Method and coverage limits

Factor percentiles compare eligible primary operating-company stocks reporting short interest at the latest settlement date (2026-09-30). The weighted mean uses short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, and fails-to-deliver 10%. Missing factors redistribute their weight; incomplete coverage is not evidence of low risk. Price, volume, and earnings boosts add 10 each, capped at 20.

Shares outstanding are not free float. Borrow fees, utilization, lendable supply, recalls, and dealer inventory are not measured. Short-sale volume does not measure the change in open shorts; fails to deliver are not a borrow-cost measurement; price vs VWAP does not establish short sellers' entry prices. Earnings can move prices in either direction.

The weights are judgment-based, not calibrated to future squeeze outcomes. The separate options assessment below does not change this universe ranking.

Options positioning & squeeze sensitivity

Nearest expiration after today within 30 calendar days; same-day expirations and later maturities are excluded.

No listed expiration after today falls within the next 30 calendar days.

Open interest has both a buyer and a seller; it does not reveal dealer hedge direction. Gross gamma sums both calls and puts without netting and uses a local 1% price-change approximation. It measures sensitivity, not predicted buying or a squeeze probability.

Assessment prepared 2026-10-20 20:26 UTC. Options model values may come from a cached snapshot; their original computation time is not supplied. Open interest has its own effective date.

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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-10-30 Scheduled
    FINRA publishes Nov 10
    		 — — — —
    2026-10-15 Scheduled
    FINRA publishes Oct 26
    		 — — — —
    2026-09-30 19,901,069 20,900,393 -999,324 8.69
    2026-09-15 20,900,393 19,162,596 +1,737,797 6.40
    2026-08-31 19,162,596 18,061,841 +1,100,755 7.39
    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

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1453015 CUSIP 058586108 13F (30d) 9 filings 9 filers Visit website Investor relations