CLH
Clean Harbors, Inc
stockNYSE
At CloseOct 16, 2026 3:59:58 PM EDT
320.14USD+0.113%(+0.36)491,678
As of 2026-09-30, there were 1,078,261 shares short with a short interest of 2.15%.
CLH Short Interest - Official
CLH Short Position Change - Official
CLH Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-30 | 2.15 | 1,078,261 | 2.60 | -49,760 | -4.41 | 52,787,248 | 50,054,452 |
| 2026-09-15 | 2.25 | 1,128,021 | 3.26 | +77,122 | +7.34 | 52,787,248 | 50,054,452 |
| 2026-08-31 | 2.10 | 1,050,899 | 2.39 | -62,462 | -5.61 | 52,787,248 | 50,054,452 |
| 2026-08-14 | 2.22 | 1,113,361 | 2.61 | -197,733 | -15.08 | 52,787,248 | 50,054,452 |
| 2026-07-31 | 2.62 | 1,311,094 | 2.25 | +157,709 | +13.67 | 52,787,248 | 50,075,402 |
| 2026-07-15 | 2.30 | 1,153,385 | 3.13 | -43,724 | -3.65 | 52,846,032 | 50,112,307 |
| 2026-06-30 | 2.39 | 1,197,109 | 2.43 | +36,411 | +3.14 | 52,846,032 | 50,108,079 |
| 2026-06-15 | 2.32 | 1,160,698 | 2.29 | +124,306 | +11.99 | 52,846,032 | 50,108,079 |
| 2026-05-15 | 2.19 | 1,036,392 | 1.36 | +220,552 | +27.03 | 52,846,032 | 47,331,549 |
| 2026-04-30 | 1.62 | 815,840 | 2.09 | +44,140 | +5.72 | 53,313,462 | 50,479,726 |
| 2026-04-15 | 1.53 | 771,700 | 1.50 | -45,903 | -5.61 | 53,313,462 | 50,479,726 |
| 2026-03-31 | 1.62 | 817,603 | 1.56 | -87,735 | -9.69 | 52,910,946 | 50,479,726 |
| 2026-03-13 | 1.79 | 905,338 | 1.77 | -151,436 | -14.33 | 52,910,946 | 50,479,726 |
| 2026-02-27 | 2.09 | 1,056,774 | 1.47 | -7,001 | -0.66 | 52,910,946 | 50,479,726 |
| 2026-02-13 | 2.11 | 1,063,775 | 2.21 | -169,652 | -13.75 | 53,431,835 | 50,479,726 |
| 2026-01-30 | 2.44 | 1,233,427 | 3.13 | -282,713 | -18.65 | 53,431,835 | 50,479,726 |
| 2026-01-15 | 3.00 | 1,516,140 | 3.15 | -198,396 | -11.57 | 53,431,835 | 50,479,726 |
| 2025-12-31 | 3.40 | 1,714,536 | 5.65 | -264,539 | -13.37 | 53,431,835 | 50,479,726 |
| 2025-12-15 | 3.92 | 1,979,075 | 3.50 | -131,762 | -6.24 | 53,431,835 | 50,479,192 |
| 2025-11-28 | 4.18 | 2,110,837 | 3.26 | +2,302 | +0.11 | 53,431,835 | 50,478,123 |
| 2025-11-14 | 4.18 | 2,108,535 | 3.86 | -108,101 | -4.88 | 53,431,835 | 50,477,055 |
| 2025-10-31 | 4.39 | 2,216,636 | 2.66 | +422,043 | +23.52 | 53,431,835 | 50,535,849 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.