CLB
Core Laboratories Inc.
stockNYSE
At CloseOct 2, 2026 3:59:56 PM EDT
9.93USD+1.742%(+0.17)624,019
As of 2026-09-15, there were 4,382,706 shares short with a short interest of 9.69%.
CLB Short Interest - Official
Short Interest
CLB Short Position Change - Official
Short Position Change
CLB Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-15 | 9.69 | 4,382,706 | 10.24 | +287,029 | +7.01 | 45,884,542 | 45,238,946 |
| 2026-08-31 | 9.05 | 4,095,677 | 9.59 | -159,839 | -3.76 | 45,884,542 | 45,238,946 |
| 2026-08-14 | 9.41 | 4,255,516 | 7.24 | +61,301 | +1.46 | 45,884,542 | 45,238,946 |
| 2026-07-31 | 9.23 | 4,194,215 | 5.02 | +170,526 | +4.24 | 45,884,542 | 45,428,297 |
| 2026-07-15 | 8.86 | 4,023,689 | 2.49 | -1,947,647 | -32.62 | 46,096,682 | 45,428,390 |
| 2026-06-30 | 13.15 | 5,971,336 | 5.78 | +434,728 | +7.85 | 46,096,682 | 45,423,209 |
| 2026-06-15 | 12.19 | 5,536,608 | 9.58 | +469,890 | +9.27 | 46,096,682 | 45,423,209 |
| 2026-05-15 | 11.15 | 5,066,718 | 9.18 | +126,616 | +2.56 | 46,096,682 | 45,423,209 |
| 2026-04-30 | 10.73 | 4,940,102 | 10.58 | +678,199 | +15.91 | 46,048,268 | 46,051,190 |
| 2026-04-15 | 9.25 | 4,261,903 | 14.06 | -339,751 | -7.38 | 46,048,268 | 46,051,190 |
| 2026-03-31 | 9.99 | 4,601,654 | 10.29 | +141,505 | +3.17 | 46,050,433 | 46,051,190 |
| 2026-03-13 | 9.69 | 4,460,149 | 11.78 | +135,008 | +3.12 | 46,563,387 | 46,051,190 |
| 2026-02-27 | 9.39 | 4,325,141 | 10.04 | +170,459 | +4.10 | 46,563,387 | 46,051,190 |
| 2026-02-13 | 9.02 | 4,154,682 | 9.24 | -86,091 | -2.03 | 46,563,387 | 46,051,190 |
| 2026-01-30 | 9.21 | 4,240,773 | 12.71 | +210,598 | +5.23 | 46,563,387 | 46,051,190 |
| 2026-01-15 | 8.75 | 4,030,175 | 10.78 | -478,287 | -10.61 | 46,563,387 | 46,051,190 |
| 2025-12-31 | 9.79 | 4,508,462 | 12.91 | +234,373 | +5.48 | 46,563,387 | 46,051,190 |
| 2025-12-15 | 9.28 | 4,274,089 | 12.18 | +310,181 | +7.83 | 46,563,387 | 46,051,190 |
| 2025-11-28 | 8.61 | 3,963,908 | 8.73 | -780,894 | -16.46 | 46,563,387 | 46,052,121 |
| 2025-11-14 | 10.30 | 4,744,802 | 8.86 | -771,087 | -13.98 | 46,563,387 | 46,052,121 |
| 2025-10-31 | 11.97 | 5,515,889 | 7.39 | -896,937 | -13.99 | 46,563,387 | 46,062,098 |
| 2025-10-15 | 13.83 | 6,412,826 | 10.65 | -470,603 | -6.84 | 46,893,842 | 46,382,230 |
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.