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CWST · Casella Waste Systems Inc

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$95.96 +2.56 (+2.74%) At close · Sep 3
S&P 600 member Russell 2000 member Rebalance outlook locked
Market Cap
$5.94B
Shares
63.64M

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

CWST Latest Reported Short Interest

FINRA reported 4,805,288 CWST shares sold short as of the August 14, 2026 settlement date, an increase of 124,527 shares. Days to cover was 9.10 based on FINRA's reported average daily volume.

Official FINRA short-interest data · share counts are restated for subsequent stock splits

CWST Short Interest Forecast

Equibles' model estimates 4,907,438 shares sold short for the August 31, 2026 settlement, +2.1% versus the latest reported position, with a likely range of 4,470,219 to 5,380,671 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 High confidence 61% chance it rises
4,907,438 +2.1% vs reported
Likely range 4,470,219 to 5,380,671 The latest estimate appears in the chart below. Official release expected Sep 10. Methodology
Short Squeeze Score
75/100
Short interest 7.6% of shares — P84 Days to cover 9.1 — P88 Price vs VWAP +4.5% — P69 Short-volume trend +6.1% — P72 Short interest change +2.7% — P63 Worst FTD 0.01% of shares — P51

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 4,805,288 4,680,761 +124,527 9.10
    2026-07-31 4,680,761 4,904,523 -223,762 6.41
    2026-07-15 4,904,523 4,591,558 +312,965 8.04
    2026-06-30 4,591,558 4,442,757 +148,801 4.94
    2026-06-15 4,442,757 4,556,388 -113,631 7.55
    2026-05-29 4,556,388 4,036,892 +519,496 7.48
    2026-05-15 4,036,892 3,995,632 +41,260 5.07
    2026-04-30 3,995,632 4,174,053 -178,421 4.65
    2026-04-15 4,174,053 4,115,432 +58,621 4.82
    2026-03-31 4,115,432 4,106,391 +9,041 5.19
    2026-03-13 4,106,391 3,602,775 +503,616 4.08
    2026-02-27 3,602,775 4,114,877 -512,102 3.88
    2026-02-13 4,114,877 3,961,344 +153,533 7.01
    2026-01-30 3,961,344 4,405,712 -444,368 6.95
    2026-01-15 4,405,712 4,621,943 -216,231 7.07
    2025-12-31 4,621,943 3,619,789 +1,002,154 2.51
    2025-12-15 3,619,789 3,142,507 +477,282 3.66
    2025-11-28 3,142,507 2,842,430 +300,077 5.50
    2025-11-14 2,842,430 2,931,847 -89,417 4.65
    2025-10-31 2,931,847 3,079,211 -147,364 4.90
    2025-10-15 3,079,211 2,686,357 +392,854 6.91
    2025-09-30 2,686,357 2,595,897 +90,460 3.84
    2025-09-15 2,595,897 2,517,152 +78,745 5.59

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 911177 CUSIP 147448104 13F (30d) 280 filings 280 filers Visit website Investor relations

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