CLH
Clean Harbors Inc
$305.16
+1.52 (+0.50%)
At close · Jul 14
Market Cap
$16.13B
Shares
52,846,032
Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.
Short Squeeze Score
51/100
Short interest 2.3% of shares — P52
Days to cover 2.4 — P52
Price vs VWAP +3.9% — P71
Short-volume trend -5.1% — P33
Short interest change +3.1% — P55
Worst FTD 0.01% of shares — P42
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-06-30). 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.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 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 |
| 2025-08-29 | 1,231,876 | 1,220,494 | +11,382 | 4.64 |
| 2025-08-15 | 1,220,494 | 999,177 | +221,317 | 2.94 |
| 2025-07-31 | 999,177 | 747,442 | +251,735 | 2.30 |
| 2025-07-15 | 747,442 | 709,439 | +38,003 | 1.98 |
Showing 1–24 of 24 settlements
Key facts
CIK
822818
CUSIP
184496107
13F (30d)
39 filings
38 filers
Visit website
Investor relations