CWST
Casella Waste Systems Inc
stockNASDAQ
At CloseOct 16, 2026 3:59:53 PM EDT
88.07USD+1.809%(+1.57)700,934
Pre-marketOct 16, 2026 8:43:30 AM EDT
86.71USD+0.243%(+0.21)
As of 2026-09-30, there were 5,063,987 shares short with a short interest of 8.14%.
CWST Short Interest - Official
CWST Short Position Change - Official
CWST 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 | 8.14 | 5,063,987 | 8.66 | -7,085 | -0.14 | 63,640,046 | 62,216,247 |
| 2026-09-15 | 8.15 | 5,071,072 | 11.41 | +231,028 | +4.77 | 63,640,046 | 62,216,247 |
| 2026-08-31 | 7.78 | 4,840,044 | 12.17 | +34,756 | +0.72 | 63,640,046 | 62,216,247 |
| 2026-08-14 | 7.72 | 4,805,288 | 9.10 | +124,527 | +2.66 | 63,640,046 | 62,216,247 |
| 2026-07-31 | 7.52 | 4,680,761 | 6.41 | -223,762 | -4.56 | 63,609,941 | 62,216,247 |
| 2026-07-15 | 7.88 | 4,904,523 | 8.04 | +312,965 | +6.82 | 63,609,941 | 62,216,247 |
| 2026-06-30 | 7.38 | 4,591,558 | 4.94 | +148,801 | +3.35 | 63,609,941 | 62,206,706 |
| 2026-06-15 | 7.14 | 4,442,757 | 7.55 | +405,865 | +10.05 | 63,609,941 | 62,215,611 |
| 2026-05-15 | 6.49 | 4,036,892 | 5.07 | +41,260 | +1.03 | 63,609,941 | 62,169,258 |
| 2026-04-30 | 6.43 | 3,995,632 | 4.65 | -178,421 | -4.27 | 63,609,837 | 62,103,140 |
| 2026-04-15 | 6.72 | 4,174,053 | 4.82 | +58,621 | +1.42 | 63,514,767 | 62,103,140 |
| 2026-03-31 | 6.63 | 4,115,432 | 5.19 | +9,041 | +0.22 | 63,514,767 | 62,103,140 |
| 2026-03-13 | 6.61 | 4,106,391 | 4.08 | +503,616 | +13.98 | 63,514,767 | 62,103,140 |
| 2026-02-27 | 5.80 | 3,602,775 | 3.88 | -512,102 | -12.45 | 63,493,316 | 62,103,140 |
| 2026-02-13 | 6.63 | 4,114,877 | 7.01 | +153,533 | +3.88 | 63,493,316 | 62,103,140 |
| 2026-01-30 | 6.38 | 3,961,344 | 6.95 | -444,368 | -10.09 | 63,493,316 | 62,103,140 |
| 2026-01-15 | 7.09 | 4,405,712 | 7.07 | -216,231 | -4.68 | 63,493,316 | 62,103,140 |
| 2025-12-31 | 7.44 | 4,621,943 | 2.51 | +1,002,154 | +27.69 | 63,493,316 | 62,103,140 |
| 2025-12-15 | 5.83 | 3,619,789 | 3.66 | +477,282 | +15.19 | 63,493,316 | 62,103,140 |
| 2025-11-28 | 5.06 | 3,142,507 | 5.50 | +300,077 | +10.56 | 63,493,316 | 62,134,755 |
| 2025-11-14 | 4.57 | 2,842,430 | 4.65 | -89,417 | -3.05 | 63,493,316 | 62,137,294 |
| 2025-10-31 | 4.72 | 2,931,847 | 4.90 | -147,364 | -4.79 | 63,490,463 | 62,129,862 |
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.