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HASI · HA Sustainable Infrastructure Capital, Inc. · Short Interest

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$36.48 +0.81 (+2.27%) At close · Oct 21
S&P 600 member Russell 2000 member Rebalance outlook locked
Market Cap
$4.69B
Shares
128.50M
Volume · Oct 21 782.62K Avg daily vol (3M) 1.02M

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 →

HASI Latest Reported Short Interest

FINRA reported 14,384,423 HASI shares sold short as of the September 30, 2026 settlement date, an increase of 230,050 shares. Days to cover was 12.48 based on FINRA's reported average daily volume.

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

HASI Short Interest Forecast

Equibles' model estimates 14,717,777 shares sold short for the October 15, 2026 settlement, +2.3% versus the latest reported position, with a likely range of 13,308,167 to 16,146,702 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 Low confidence 48% chance it rises
14,717,777 +2.3% vs reported
Likely range 13,308,167 to 16,146,702 The latest estimate appears in the chart below. Official release expected Oct 26. Methodology
Short Squeeze Score
77/100
Short interest 11.2% of shares — P90 Days to cover 12.5 — P94 Price vs VWAP -4.4% — P53 Short-volume trend +5.8% — P73 Short interest change +1.6% — P55 Worst FTD 0.03% of shares — P69

Positioning score 77.4 + 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.

Open interest is incomplete, stale, or dated inconsistently; positioning totals are unavailable.

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 2026-10-22 12:18 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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Dimensions
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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 14,384,423 14,154,373 +230,050 12.48
    2026-09-15 14,154,373 13,940,675 +213,698 10.60
    2026-08-31 13,940,675 12,867,104 +1,073,571 16.86
    2026-08-14 12,867,104 11,832,481 +1,034,623 12.87
    2026-07-31 11,832,481 10,926,001 +906,480 14.17
    2026-07-15 10,926,001 11,457,068 -531,067 14.54
    2026-06-30 11,457,068 11,189,254 +267,814 9.37
    2026-06-15 11,189,254 11,866,980 -677,726 8.99
    2026-05-29 11,866,980 12,186,071 -319,091 12.46
    2026-05-15 12,186,071 12,393,935 -207,864 10.75
    2026-04-30 12,393,935 12,442,176 -48,241 12.79
    2026-04-15 12,442,176 12,466,760 -24,584 18.11
    2026-03-31 12,466,760 11,887,263 +579,497 11.64
    2026-03-13 11,887,263 11,581,226 +306,037 15.07
    2026-02-27 11,581,226 11,353,876 +227,350 10.86
    2026-02-13 11,353,876 11,111,585 +242,291 8.35
    2026-01-30 11,111,585 11,147,801 -36,216 13.89
    2026-01-15 11,147,801 11,199,697 -51,896 10.95
    2025-12-31 11,199,697 11,293,562 -93,865 12.17
    2025-12-15 11,293,562 11,278,178 +15,384 11.10
    2025-11-28 11,278,178 10,671,028 +607,150 10.39
    2025-11-14 10,671,028 10,723,351 -52,323 6.02
    2025-10-31 10,723,351 11,409,448 -686,097 9.99

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1561894 CUSIP 41068X100 13F (30d) 62 filings 59 filers Visit website Investor relations