CTM
Castellum, Inc.
stockNYSEAMERICAN
Market OpenOct 6, 2026 11:11:19 AM EDT
0.65USD+4.776%(+0.03)220,372
0.5400Bid0.7300Ask0.1900SpreadPre-marketOct 6, 2026 9:25:30 AM EDT
0.624USD0.000%(0.00)
As of 2026-09-15, there were 5,425,022 shares short with a short interest of 7.29%.
CTM Short Interest - Official
Short Interest
CTM Short Position Change - Official
Short Position Change
CTM 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 | 7.29 | 5,425,022 | 8.40 | -1,650,613 | -23.33 | 94,781,286 | 74,434,313 |
| 2026-08-31 | 9.51 | 7,075,635 | 10.76 | +1,355,329 | +23.69 | 94,781,286 | 74,434,313 |
| 2026-08-14 | 7.69 | 5,720,306 | 3.56 | -236,586 | -3.97 | 94,781,286 | 74,434,313 |
| 2026-07-31 | 8.00 | 5,956,892 | 4.84 | +116,472 | +1.99 | 94,698,939 | 74,434,313 |
| 2026-07-15 | 7.85 | 5,840,420 | 6.15 | -479,806 | -7.59 | 94,698,939 | 74,434,313 |
| 2026-06-30 | 8.49 | 6,320,226 | 1.38 | +2,461,620 | +63.80 | 94,698,939 | 74,439,048 |
| 2026-06-15 | 5.18 | 3,858,606 | 1.00 | -1,277,678 | -24.88 | 94,698,939 | 74,439,048 |
| 2026-05-15 | 6.91 | 5,136,284 | 1.77 | +948,450 | +22.65 | 94,698,939 | 74,353,322 |
| 2026-04-30 | 5.64 | 4,187,834 | 6.55 | -216,152 | -4.91 | 94,612,750 | 74,271,009 |
| 2026-04-15 | 5.93 | 4,403,986 | 5.15 | -396,702 | -8.26 | 94,612,750 | 74,271,009 |
| 2026-03-31 | 6.46 | 4,800,688 | 2.89 | +204,231 | +4.44 | 94,612,750 | 74,271,009 |
| 2026-03-13 | 6.19 | 4,596,457 | 6.43 | +751,536 | +19.55 | 94,612,750 | 74,271,009 |
| 2026-02-27 | 5.18 | 3,844,921 | 4.23 | +53,275 | +1.41 | 94,612,750 | 74,271,009 |
| 2026-02-13 | 5.11 | 3,791,646 | 3.29 | +173,775 | +4.80 | 94,612,750 | 74,271,009 |
| 2026-01-30 | 4.87 | 3,617,871 | 2.44 | +1,113,650 | +44.47 | 94,612,750 | 74,271,009 |
| 2026-01-15 | 3.37 | 2,504,221 | 1.32 | +80,790 | +3.33 | 94,612,750 | 74,271,009 |
| 2025-12-31 | 3.26 | 2,423,431 | 1.04 | +111,516 | +4.82 | 94,612,750 | 74,271,009 |
| 2025-12-15 | 3.12 | 2,311,915 | 1.36 | -1,989,434 | -46.25 | 94,612,750 | 74,065,699 |
| 2025-11-28 | 5.81 | 4,301,349 | 2.81 | +1,096,252 | +34.20 | 94,612,750 | 74,012,716 |
| 2025-11-14 | 4.35 | 3,205,097 | 1.00 | -303,401 | -8.65 | 94,612,750 | 73,664,541 |
| 2025-10-31 | 4.96 | 3,508,498 | 1.00 | +417,814 | +13.52 | 93,000,584 | 70,706,938 |
| 2025-10-15 | 4.37 | 3,090,684 | 1.19 | -35,201 | -1.13 | 93,000,584 | 70,706,938 |
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.