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CLH · Clean Harbors Inc

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$314.58 +3.87 (+1.24%)
S&P 400 member Russell 1000 member Rebalance outlook locked
Market Cap
$16.42B
Shares
52.85M

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

CLH Short Interest Forecast

Equibles' model estimates 1,234,948 shares sold short for the August 31, 2026 settlement, +10.9% versus the latest reported position. This model prediction uses FINRA data through August 21, 2026; FINRA's official release is expected September 10, 2026.

Model estimate

Expected Aug 31 short interest

as of Aug 21
1,234,948 +10.9% vs reported
The latest estimate appears in the chart below. Official release expected Sep 10. Methodology
Short Squeeze Score
54/100
Short interest 2.1% of shares — P51 Days to cover 2.6 — P44 Price vs VWAP +2.6% — P62 Short-volume trend +14.6% — P89 Short interest change -15.1% — P19 Worst FTD 0.01% of shares — P50

Peer-relative percentile rank across all stocks 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 1,113,361 1,311,094 -197,733 2.61
    2026-07-31 1,311,094 1,153,385 +157,709 2.25
    2026-07-15 1,153,385 1,197,109 -43,724 3.13
    2026-06-30 1,197,109 1,160,698 +36,411 2.43
    2026-06-15 1,160,698 1,087,806 +72,892 2.29
    2026-05-29 1,087,806 1,036,392 +51,414 2.00
    2026-05-15 1,036,392 815,840 +220,552 1.36
    2026-04-30 815,840 771,700 +44,140 2.09
    2026-04-15 771,700 817,603 -45,903 1.50
    2026-03-31 817,603 905,338 -87,735 1.56
    2026-03-13 905,338 1,056,774 -151,436 1.77
    2026-02-27 1,056,774 1,063,775 -7,001 1.47
    2026-02-13 1,063,775 1,233,427 -169,652 2.21
    2026-01-30 1,233,427 1,516,140 -282,713 3.13
    2026-01-15 1,516,140 1,714,536 -198,396 3.15
    2025-12-31 1,714,536 1,979,075 -264,539 5.65
    2025-12-15 1,979,075 2,110,837 -131,762 3.50
    2025-11-28 2,110,837 2,108,535 +2,302 3.26
    2025-11-14 2,108,535 2,216,636 -108,101 3.86
    2025-10-31 2,216,636 1,794,593 +422,043 2.66
    2025-10-15 1,794,593 1,488,158 +306,435 3.39
    2025-09-30 1,488,158 1,337,446 +150,712 3.71
    2025-09-15 1,337,446 1,231,876 +105,570 3.80

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 822818 CUSIP 184496107 13F (30d) 458 filings 444 filers Visit website Investor relations

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